[TANKS] Re: Brushless scooter controller rc interface

[Niels Erik Kristensen]

If the motors you want to operate,are brushless,  why dont use brushless rc 
controllere for rc cars? I use 2 of these in my 
Centurion: 
https://hobbyking.com/en_us/hobbykingtm-brushless-car-esc-2s-4s-60a-w-reverse.html
  
  They are good for up to 800watt


fredag den 5. januar 2018 kl. 16.28.46 UTC+1 skrev Caleb Smith:
>
> Hi everyone, I'm putting this out here to see if the community can help me 
> figure out how to control this scooter controller as easily as possible. 
> So I have two of these controllers I'd like to put into my Locust
>
> https://www.allelectronics.com/item/msc-250/250-watt-controller-for-brushless-motors/1.html
> They use a switch to control direction and a 10k pot to regulate speed. 
> I'm not sure how to go about making these RC controllable like a standard 
> etc. Two forms of control will be needed, one to move the pot to control 
> speed and one to control the switch for direction. How to go about doing 
> that in an effective manner that will allow full control has me a bit 
> stumped. I know Frank developed a fancy control board for the brushed 
> unidirectional controllers, but I don't know if it would work for these or 
> if they're even available anymore. 
> If you all could give some ideas I'd appreciate it. Hopefully I'll be able 
> to get the Locust running again soon. 
> Thanks, 
> Caleb 

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Re: Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-Y8dKWreBWYI/WYBeEZufumI/A9w/FXev9T6s1IIOBBv2KGqUCGTVKPUL1WfTwCLcBGAs/s1600/20449097_780454848804155_8367146072793097752_o.jpg>
Need somone to battel with :-)

Den mandag den 10. juli 2017 kl. 20.58.09 UTC+2 skrev Niels Erik Kristensen:
>
> I dont have any late run on gras on video-Only the first one, made 1 year 
> ago-But it runs in the same way:
> https://www.youtube.com/watch?v=FyJSwH6wdSA
> https://www.youtube.com/watch?v=dTuBry0xe1o=37s
>
>
> <https://lh3.googleusercontent.com/-nWpviqQAIas/WWPN863qJbI/A9c/gXV1TJ-A7x425W1mm0QVxjmqjqXzMS2fgCLcBGAs/s1600/B%25C3%25A6lte.jpg>
> It have hardly grinded the paint from the tracks yet-The donuts turns dont 
> do any harm-PLA is hard.
>
>
> <https://lh3.googleusercontent.com/-feMPwzEprqI/WWPONBYoPaI/A9g/7WZ5btsQgSEmvaqOxLa_ZjUzZLMUYwvOACLcBGAs/s1600/b%25C3%25B8rne%2Btur.jpg>
> And my tank are strong-Photo from last year-before the paint job
>
> Den mandag den 10. juli 2017 kl. 19.42.49 UTC+2 skrev 
> lo...@fieldofarmortanks.com:
>>
>> Great work Niels,
>>
>>  
>>
>> I noticed you run on asphalt. Would love to see your tank run in grass. 
>>
>> Also, could you take a picture of your tracks after your running? Those 
>> donuts turns are hard on plastic. Is this PLA or other polycarbonates?
>>
>>  
>>
>> Your tank looks awesome
>>
>>  
>>
>> Cheers from Utah,
>>
>> Loic
>>
>

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Re: Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

I dont have any late run on gras on video-Only the first one, made 1 year 
ago-But it runs in the same way:
https://www.youtube.com/watch?v=FyJSwH6wdSA
https://www.youtube.com/watch?v=dTuBry0xe1o=37s


It have hardly grinded the paint from the tracks yet-The donuts turns dont 
do any harm-PLA is hard.


And my tank are strong-Photo from last year-before the paint job

Den mandag den 10. juli 2017 kl. 19.42.49 UTC+2 skrev 
lo...@fieldofarmortanks.com:
>
> Great work Niels,
>
>  
>
> I noticed you run on asphalt. Would love to see your tank run in grass. 
>
> Also, could you take a picture of your tracks after your running? Those 
> donuts turns are hard on plastic. Is this PLA or other polycarbonates?
>
>  
>
> Your tank looks awesome
>
>  
>
> Cheers from Utah,
>
> Loic
>

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Re: Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

O no-You cant use brushless aeroplane motors for a tank! And you cant use 
3D printer to make moving parts with!!
I done both-motors are 2* 800 watt brushless aeroplane motors running on 4S 
lipo
And all moving parts are printet with PLA on my  3D printer.
And iam happy with the outcome!
https://www.youtube.com/watch?v=Li9S_Nls7F4=youtu.be

Den tirsdag den 25. april 2017 kl. 18.52.51 UTC+2 skrev Niels Erik 
Kristensen:
>
> No i cant chance the sight-Its from a OSD for aeroplane.
>
> Den mandag den 24. april 2017 kl. 23.34.30 UTC+2 skrev 
> lo...@fieldofarmortanks.com:
>>
>> Love it! Can you change the way the aim looks? Would love to put a German 
>> OPTICS scale like the real tank! It would allow for quick judging for 
>> distance and you could score some long shots!!
>>
>> http://p.twpl.jp/show/large/KF4ub like this picture
>>
>>  
>>
>> Loic
>>
>>  
>>
>

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Re: Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

No i cant chance the sight-Its from a OSD for aeroplane.

Den mandag den 24. april 2017 kl. 23.34.30 UTC+2 skrev 
lo...@fieldofarmortanks.com:
>
> Love it! Can you change the way the aim looks? Would love to put a German 
> OPTICS scale like the real tank! It would allow for quick judging for 
> distance and you could score some long shots!!
>
> http://p.twpl.jp/show/large/KF4ub like this picture
>
>  
>
> Loic
>
>  
>

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Re: Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

First video of FPV test with all 3 cameras and turret movement-Almost 
battel redy :-)
https://www.youtube.com/watch?v=cluwzO7REI8=youtu.be

Den søndag den 12. februar 2017 kl. 17.33.14 UTC+1 skrev odyssey...@aol.com:
>
> it almost looks small like a kids play toy tank until you see that 
> recliner behind it
>
> chris
>
> In a message dated 2/12/2017 6:58:38 AM Eastern Standard Time, 
> stev...@gmail.com  writes: 
>
> Impressive work,
>
> On Saturday, February 11, 2017 at 6:14:50 AM UTC-5, Niels Erik Kristensen 
> wrote: 
>>
>>
>> <https://lh3.googleusercontent.com/-kKQMaflo4MY/WJ7yD2WnLxI/A8s/4iR5EfHil6QgKWvZ2GQRuwrDKDTd4qEbgCLcB/s1600/16664940_10209915717422483_7090948566855036536_o.jpg>
>> finally finish my Centurion-More photos later
>>
>> Den tirsdag den 25. oktober 2016 kl. 08.24.41 UTC+2 skrev jmaxhl23: 
>>>
>>> You need to send a message directly to Frank Pitteli with the info of 
>>> your tank ( name , model, front armor thickness, canon size in mm ), he 
>>> will send you your login infos for the webs site!!...
>>>
>>> Jean-Maxime Cyr St-Pierre
>>>
>>> Le 24 oct. 2016 11:29 PM, "Niels Erik Kristensen" <ne...@live.dk> a 
>>> écrit :
>>>
>>>> I have no one to fight with so far-I have a fiend , that are making the 
>>>> same Centurion-I made alle the 3D printet parts for him. Most of the 
>>>> printet parts are hided under the side skirts-Wits are made of 1.5 mm 
>>>> steel 
>>>> plate. And alot og my parts have 100 % infil-And then they are 
>>>> bulletproof.And if a part break-I can easily print a new one. 
>>>> No one answered my question on hov to get my Centurion on this site  
>>>> http://www.rctankcombat.com/order-of-battle/tanks/ 
>>>> <http://www.google.com/url?q=http%3A%2F%2Fwww.rctankcombat.com%2Forder-of-battle%2Ftanks%2F=D=1=AFQjCNHxeqX5ejzO7KeEiri1LAPAjoB4UA>
>>>>
>>>> Den tirsdag den 25. oktober 2016 kl. 01.43.00 UTC+2 skrev Caleb Smith: 
>>>>>
>>>>>
>>>>>
>>>>> BTW, did you test the .68cal paintball hits on 3D printed parts? I 
>>>>>> have a 3D printer using ABS filament, and I don’t think it could take a 
>>>>>> point-blank hit.
>>>>>>
>>>>>
>>>>> What are you printing, Loic? My Locust survived a two-day event using 
>>>>> 3D printed idlers and TTS sprockets. Both the idlers and sprockets took 
>>>>> hits with no visible damage. My mantlet was also 3D printed and took a 
>>>>> LOT 
>>>>> of hits over the weekend. It had a layer of fiberglass reinforcement on 
>>>>> it, 
>>>>> but it didn't show any damage either.
>>>>>  I believe that 3D printing has a lot of uses in RCTC, but there are 
>>>>> some things that it just isn't isn't suitable for. For example, I tried 
>>>>> 3D 
>>>>> printing suspension units for my Locust. (there are some pics in a past 
>>>>> thread) Initial results looked promising, but long term durability just 
>>>>> wasn't there. The constant stress of a 50lb. tank on the printed parts 
>>>>> eventually broke many of the suspension units. 
>>>>>   On the flip side there are some cool capabilities that these 
>>>>> printers put forth. The illustration I'll use for this point is my Locust 
>>>>> turret. For one thing, the Locust is a small tank, but it's turret is 
>>>>> equally small. (about 8.5in in dia. plus the little storage area in the 
>>>>> back)  To get a nice accurate turret without the inside being bulky I 
>>>>> designed the turret on a CAD program and then printed it in three pieces. 
>>>>> After gluing the pieces together I fiberglassed it. This gave me a nice 
>>>>> durable turret that didn't waste the limited internal space available.
>>>>>
>>>>  
>>>> -- 
>>>> -- 
>>>> You are currently subscribed to the "R/C Tank Combat" group.
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Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-kKQMaflo4MY/WJ7yD2WnLxI/A8s/4iR5EfHil6QgKWvZ2GQRuwrDKDTd4qEbgCLcB/s1600/16664940_10209915717422483_7090948566855036536_o.jpg>
finally finish my Centurion-More photos later

Den tirsdag den 25. oktober 2016 kl. 08.24.41 UTC+2 skrev jmaxhl23:
>
> You need to send a message directly to Frank Pitteli with the info of your 
> tank ( name , model, front armor thickness, canon size in mm ), he will 
> send you your login infos for the webs site!!...
>
> Jean-Maxime Cyr St-Pierre
>
> Le 24 oct. 2016 11:29 PM, "Niels Erik Kristensen" <ne...@live.dk 
> > a écrit :
>
>> I have no one to fight with so far-I have a fiend , that are making the 
>> same Centurion-I made alle the 3D printet parts for him. Most of the 
>> printet parts are hided under the side skirts-Wits are made of 1.5 mm steel 
>> plate. And alot og my parts have 100 % infil-And then they are 
>> bulletproof.And if a part break-I can easily print a new one.
>> No one answered my question on hov to get my Centurion on this site  
>> http://www.rctankcombat.com/order-of-battle/tanks/ 
>> <http://www.google.com/url?q=http%3A%2F%2Fwww.rctankcombat.com%2Forder-of-battle%2Ftanks%2F=D=1=AFQjCNHxeqX5ejzO7KeEiri1LAPAjoB4UA>
>>
>> Den tirsdag den 25. oktober 2016 kl. 01.43.00 UTC+2 skrev Caleb Smith:
>>>
>>>
>>>
>>> BTW, did you test the .68cal paintball hits on 3D printed parts? I have 
>>>> a 3D printer using ABS filament, and I don’t think it could take a 
>>>> point-blank hit.
>>>>
>>>
>>> What are you printing, Loic? My Locust survived a two-day event using 3D 
>>> printed idlers and TTS sprockets. Both the idlers and sprockets took hits 
>>> with no visible damage. My mantlet was also 3D printed and took a LOT of 
>>> hits over the weekend. It had a layer of fiberglass reinforcement on it, 
>>> but it didn't show any damage either.
>>>  I believe that 3D printing has a lot of uses in RCTC, but there are 
>>> some things that it just isn't isn't suitable for. For example, I tried 3D 
>>> printing suspension units for my Locust. (there are some pics in a past 
>>> thread) Initial results looked promising, but long term durability just 
>>> wasn't there. The constant stress of a 50lb. tank on the printed parts 
>>> eventually broke many of the suspension units. 
>>>   On the flip side there are some cool capabilities that these printers 
>>> put forth. The illustration I'll use for this point is my Locust turret. 
>>> For one thing, the Locust is a small tank, but it's turret is equally 
>>> small. (about 8.5in in dia. plus the little storage area in the back)  To 
>>> get a nice accurate turret without the inside being bulky I designed the 
>>> turret on a CAD program and then printed it in three pieces. After gluing 
>>> the pieces together I fiberglassed it. This gave me a nice durable turret 
>>> that didn't waste the limited internal space available.
>>>
>>> -- 
>> -- 
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>

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[TANKS] Re: 3D printer CAD

[Niels Erik Kristensen]

I use Autodesk inventor student-And thanks :-)

Den tirsdag den 1. november 2016 kl. 16.44.21 UTC+1 skrev neroc1:
>
> i have had a 3D printer for a few months now, although I can print either 
> ABS of PLA, my ability to create from brain to reality is somewhat limited 
> , after seeing some amazing printed work on here ( Niels Erik especially ) 
> Im am quite convinced my problem is software. I have been trying to use 
> google sketch up but i find it complex and tricky to use. I have tried to 
> use a simple CAD called "tinkercad" but its not accurate enough.
> What 3D  CAD software are people finding useful ? 
> Thanks for any advise.
>

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Re: [TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

I have no one to fight with so far-I have a fiend , that are making the 
same Centurion-I made alle the 3D printet parts for him. Most of the 
printet parts are hided under the side skirts-Wits are made of 1.5 mm steel 
plate. And alot og my parts have 100 % infil-And then they are 
bulletproof.And if a part break-I can easily print a new one.
No one answered my question on hov to get my Centurion on this site  
http://www.rctankcombat.com/order-of-battle/tanks/ 


Den tirsdag den 25. oktober 2016 kl. 01.43.00 UTC+2 skrev Caleb Smith:
>
>
>
> BTW, did you test the .68cal paintball hits on 3D printed parts? I have a 
>> 3D printer using ABS filament, and I don’t think it could take a 
>> point-blank hit.
>>
>
> What are you printing, Loic? My Locust survived a two-day event using 3D 
> printed idlers and TTS sprockets. Both the idlers and sprockets took hits 
> with no visible damage. My mantlet was also 3D printed and took a LOT of 
> hits over the weekend. It had a layer of fiberglass reinforcement on it, 
> but it didn't show any damage either.
>  I believe that 3D printing has a lot of uses in RCTC, but there are some 
> things that it just isn't isn't suitable for. For example, I tried 3D 
> printing suspension units for my Locust. (there are some pics in a past 
> thread) Initial results looked promising, but long term durability just 
> wasn't there. The constant stress of a 50lb. tank on the printed parts 
> eventually broke many of the suspension units. 
>   On the flip side there are some cool capabilities that these printers 
> put forth. The illustration I'll use for this point is my Locust turret. 
> For one thing, the Locust is a small tank, but it's turret is equally 
> small. (about 8.5in in dia. plus the little storage area in the back)  To 
> get a nice accurate turret without the inside being bulky I designed the 
> turret on a CAD program and then printed it in three pieces. After gluing 
> the pieces together I fiberglassed it. This gave me a nice durable turret 
> that didn't waste the limited internal space available.
>
>

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[TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-tw7QaXVyNlw/WAzYUzlPusI/A7k/MEV6Tx4K_moU3AHDM_ll0ud05lWV3A4VwCLcB/s1600/BILD3346.JPG>

<https://lh3.googleusercontent.com/-PDKMftewPrc/WAzYYWMcSbI/A7o/d7-NdoSwrMAWc_EQpgJOfutSTNQx7Z-0wCLcB/s1600/BILD3348.JPG>

<https://lh3.googleusercontent.com/-BH3OrQKYDJM/WAzYcGZa21I/A7s/TFBxmduNCAcBaYcOxH63N0vpMPHR__IvACLcB/s1600/BILD3349.JPG>

<https://lh3.googleusercontent.com/-y0ezCOlLyk8/WAzYfgpTkQI/A7w/w9sdn58aIvIIlfEWZeSHYiCQZWYRjyF2QCLcB/s1600/BILD3351.JPG>

<https://lh3.googleusercontent.com/-ACxB9DtMfmI/WAzYQgh7etI/A7g/a_bQhNAe8SMgMzr5RzovTE-4gw4vAaA7ACLcB/s1600/BILD3345.JPG>
Startet to assemble the turret: First the gearbox and motor for turret 
turning .then drivers hatch with kamera-And then my marker and the cannon 
barrel. And the IR sight, with gunners camera-And the turret machine 
gun-Printet in black 

Den søndag den 23. oktober 2016 kl. 14.09.30 UTC+2 skrev Niels Erik 
Kristensen:
>
>
> <https://lh3.googleusercontent.com/-kZmk39Oa7LE/WAyoXDvwsLI/A7E/SvX6OO2_HM4xHlMwt8r4aN27h7DMxIomwCLcB/s1600/BILD3342.JPG>
>
>
> <https://lh3.googleusercontent.com/-uqqluwUQLhA/WAyoZzy_ObI/A7I/oaYtw-5T7Q8JgnTqeROIDa2XBu-PFYKjQCLcB/s1600/BILD3343.JPG>
>
>
> <https://lh3.googleusercontent.com/-KCVav6BKasU/WAyoc1xMwQI/A7M/cRUwoAyvfZInHOk7Tr11uSxMOeBFagN7wCLcB/s1600/BILD3344.JPG>
>
>
> <https://lh3.googleusercontent.com/-twCSPEdhgQw/WAyoTcDtmsI/A7A/BzTlBghe3BYzdOOj6tY0mz3QlVbWlwD_gCLcB/s1600/BILD3341.JPG>
> I made some details-Just for the fun of it-I like when it look realistic!
>
> Den søndag den 23. oktober 2016 kl. 11.11.48 UTC+2 skrev Niels Erik 
> Kristensen:
>>
>>
>> <https://lh3.googleusercontent.com/-iNrGKQk0qZI/WAx-z7G2WFI/A6w/OTD9_WhrClEv6eRrpe71KFWc_pQrLeGmgCLcB/s1600/BILD3340.JPG>
>> Inside the printed parts there ara a 6mm steel plate, the 2* 12 mm axels 
>> are 25 mm apart, one goes to the wheel, and the other goes inside the tank. 
>> Inside there are a 6cm arm on the axel, and a bolt to adjust the tension 
>> with. Hope that give you a idea of how it works ?
>>
>> Den lørdag den 22. oktober 2016 kl. 22.54.41 UTC+2 skrev taranaki tanker:
>>>
>>> Gawd I am so jealous, that is looking fantastic. Looks like a 3d printer 
>>> is definitely a handy tool for this hobby. Just a small question, how is 
>>> your swing arm for the idler wheel going to work cause I was thinking of 
>>> using the same kind of system for the m113 
>>>
>>

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[TANKS] Re: Centurion mrk5

[Niels Erik Kristensen]

Inside the printed parts there ara a 6mm steel plate, the 2* 12 mm axels 
are 25 mm apart, one goes to the wheel, and the other goes inside the tank. 
Inside there are a 6cm arm on the axel, and a bolt to adjust the tension 
with. Hope that give you a idea of how it works ?

Den lørdag den 22. oktober 2016 kl. 22.54.41 UTC+2 skrev taranaki tanker:
>
> Gawd I am so jealous, that is looking fantastic. Looks like a 3d printer 
> is definitely a handy tool for this hobby. Just a small question, how is 
> your swing arm for the idler wheel going to work cause I was thinking of 
> using the same kind of system for the m113 
>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

ve broken a road wheel onse and 2 
>> suspensions arms. But it is easy just to print a new spare part. My traks 
>> are spray paintet flat black, and i hope that the paint will wear off on 
>> the part that tutces the ground, and on the sprocket. It will give a more 
>> realistic look.
>>
>> Den mandag den 17. oktober 2016 kl. 06.15.10 UTC+2 skrev 
>> odyssey...@aol.com: 
>>>
>>> those are nice looking tracks and wheels, just can't believe they are 3D 
>>> printed and look so clean, do you have any close up pictures of the track 
>>> links? how is the sprocket wheel holding up so far?
>>>  
>>> Chris
>>>  
>>> In a message dated 10/16/2016 1:53:06 P.M. Eastern Daylight Time, 
>>> ne...@live.dk writes:
>>>
>>>
>>> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
>>> Kristensen: 
>>>>
>>>> Hey. iam making a Centurion mrk 5 Danish version. 
>>>> All moving parts made with my 3D printer. Brushless motors and lipo 
>>>> battery .
>>>> First track test today:
>>>> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>>>>
>>> -- 
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[TANKS] Re: Check out MINI SERVO MOTOR

[Niels Erik Kristensen]

Sorry-But they are too expensive-And bad quality.
HXT 900 are the most used all round 9 grams servo in the world-Ans cheap
http://www.hobbyking.com/hobbyking/store/__662__HXT900_Micro_Servo_1_6kg_0_12sec_9g.html


Den tirsdag den 18. oktober 2016 kl. 19.22.09 UTC+2 skrev 
odyssey...@aol.com:
>
> I found this interesting and thought you would too: 
> MINI SERVO MOTOR 
> 
>  
> i just saw this in my inbox and thought some of you may be interested in 
> them too
>  
> chris
>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-NFu5_VUjuq4/WAWilkgKzGI/A5M/vU-Zpl3g1a4PHZ5Uf3I8O_3joOGRWcMigCLcB/s1600/BILD3046.JPG>

<https://lh3.googleusercontent.com/-lOWtr3QaE0o/WAWifahlHAI/A5I/3xu3naDFIVsbz6L5hm-UhXOrVp3zAB0uACLcB/s1600/BILD3045.JPG>
Same way as Steve Tyng on his T34/85. I just use safety belts from a car, 
and the track links are mounted with shrews.

Den mandag den 17. oktober 2016 kl. 23.40.09 UTC+2 skrev odyssey...@aol.com:
>
> how do you connect your track links?
>  
> chris
>  
> In a message dated 10/17/2016 1:30:04 A.M. Eastern Daylight Time, 
> ne...@live.dk  writes:
>
> [image: 
> https://lh3.googleusercontent.com/-YBqu7OsFA_U/WARhwG8X_mI/A4w/NdEl2jqvPo0LS4c62jTP-MQ_EB0iDPqUACLcB/s1600/BILD3317.JPG]
>  
> <https://lh3.googleusercontent.com/-YBqu7OsFA_U/WARhwG8X_mI/A4w/NdEl2jqvPo0LS4c62jTP-MQ_EB0iDPqUACLcB/s1600/BILD3317.JPG>
>
> [image: 
> https://lh3.googleusercontent.com/-cZlwCU8cOuk/WARhyifJ0vI/A40/qDKZKDM_M6orgrDNcghiRnmHEKEeQA2DgCLcB/s1600/BILD3318.JPG]
>  
> <https://lh3.googleusercontent.com/-cZlwCU8cOuk/WARhyifJ0vI/A40/qDKZKDM_M6orgrDNcghiRnmHEKEeQA2DgCLcB/s1600/BILD3318.JPG>
>
> [image: 
> https://lh3.googleusercontent.com/-qpLesnVOxTc/WARh1JE5b0I/A44/Rf-arJKnW-QeyFkoupFijE6VvLcC6dsiACLcB/s1600/BILD3320.JPG]
>  
> <https://lh3.googleusercontent.com/-qpLesnVOxTc/WARh1JE5b0I/A44/Rf-arJKnW-QeyFkoupFijE6VvLcC6dsiACLcB/s1600/BILD3320.JPG>
>
> [image: 
> https://lh3.googleusercontent.com/-MW3v5OLYpko/WARhtWv7BNI/A4s/bQW-KTqdTngDrCEPbsIgBE0Pj9dHZzebQCLcB/s1600/BILD3316.JPG]
>  
> <https://lh3.googleusercontent.com/-MW3v5OLYpko/WARhtWv7BNI/A4s/bQW-KTqdTngDrCEPbsIgBE0Pj9dHZzebQCLcB/s1600/BILD3316.JPG>
> Everything hold up wherry good-I have broken a road wheel onse and 2 
> suspensions arms. But it is easy just to print a new spare part. My traks 
> are spray paintet flat black, and i hope that the paint will wear off on 
> the part that tutces the ground, and on the sprocket. It will give a more 
> realistic look.
>
> Den mandag den 17. oktober 2016 kl. 06.15.10 UTC+2 skrev 
> odyssey...@aol.com: 
>>
>> those are nice looking tracks and wheels, just can't believe they are 3D 
>> printed and look so clean, do you have any close up pictures of the track 
>> links? how is the sprocket wheel holding up so far?
>>  
>> Chris
>>  
>> In a message dated 10/16/2016 1:53:06 P.M. Eastern Daylight Time, 
>> ne...@live.dk writes:
>>
>>
>> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
>> Kristensen: 
>>>
>>> Hey. iam making a Centurion mrk 5 Danish version. 
>>> All moving parts made with my 3D printer. Brushless motors and lipo 
>>> battery .
>>> First track test today:
>>> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>>>
>> -- 
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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

The marks that you can see on the inside track lings, are made with a 
grinder!!  I use a square pies of aluminium in my solder iron to melt hule 
trough the safety belt between the track links-And a grinder to remove the 
melted plastic

Den mandag den 17. oktober 2016 kl. 07.30.03 UTC+2 skrev Niels Erik 
Kristensen:
>
>
> <https://lh3.googleusercontent.com/-YBqu7OsFA_U/WARhwG8X_mI/A4w/NdEl2jqvPo0LS4c62jTP-MQ_EB0iDPqUACLcB/s1600/BILD3317.JPG>
>
>
> <https://lh3.googleusercontent.com/-cZlwCU8cOuk/WARhyifJ0vI/A40/qDKZKDM_M6orgrDNcghiRnmHEKEeQA2DgCLcB/s1600/BILD3318.JPG>
>
>
> <https://lh3.googleusercontent.com/-qpLesnVOxTc/WARh1JE5b0I/A44/Rf-arJKnW-QeyFkoupFijE6VvLcC6dsiACLcB/s1600/BILD3320.JPG>
>
>
> <https://lh3.googleusercontent.com/-MW3v5OLYpko/WARhtWv7BNI/A4s/bQW-KTqdTngDrCEPbsIgBE0Pj9dHZzebQCLcB/s1600/BILD3316.JPG>
> Everything hold up wherry good-I have broken a road wheel onse and 2 
> suspensions arms. But it is easy just to print a new spare part. My traks 
> are spray paintet flat black, and i hope that the paint will wear off on 
> the part that tutces the ground, and on the sprocket. It will give a more 
> realistic look.
>
> Den mandag den 17. oktober 2016 kl. 06.15.10 UTC+2 skrev 
> odyssey...@aol.com:
>>
>> those are nice looking tracks and wheels, just can't believe they are 3D 
>> printed and look so clean, do you have any close up pictures of the track 
>> links? how is the sprocket wheel holding up so far?
>>  
>> Chris
>>  
>> In a message dated 10/16/2016 1:53:06 P.M. Eastern Daylight Time, 
>> ne...@live.dk writes:
>>
>>
>> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
>> Kristensen: 
>>>
>>> Hey. iam making a Centurion mrk 5 Danish version. 
>>> All moving parts made with my 3D printer. Brushless motors and lipo 
>>> battery .
>>> First track test today:
>>> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>>>
>>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-YBqu7OsFA_U/WARhwG8X_mI/A4w/NdEl2jqvPo0LS4c62jTP-MQ_EB0iDPqUACLcB/s1600/BILD3317.JPG>

<https://lh3.googleusercontent.com/-cZlwCU8cOuk/WARhyifJ0vI/A40/qDKZKDM_M6orgrDNcghiRnmHEKEeQA2DgCLcB/s1600/BILD3318.JPG>

<https://lh3.googleusercontent.com/-qpLesnVOxTc/WARh1JE5b0I/A44/Rf-arJKnW-QeyFkoupFijE6VvLcC6dsiACLcB/s1600/BILD3320.JPG>

<https://lh3.googleusercontent.com/-MW3v5OLYpko/WARhtWv7BNI/A4s/bQW-KTqdTngDrCEPbsIgBE0Pj9dHZzebQCLcB/s1600/BILD3316.JPG>
Everything hold up wherry good-I have broken a road wheel onse and 2 
suspensions arms. But it is easy just to print a new spare part. My traks 
are spray paintet flat black, and i hope that the paint will wear off on 
the part that tutces the ground, and on the sprocket. It will give a more 
realistic look.

Den mandag den 17. oktober 2016 kl. 06.15.10 UTC+2 skrev odyssey...@aol.com:
>
> those are nice looking tracks and wheels, just can't believe they are 3D 
> printed and look so clean, do you have any close up pictures of the track 
> links? how is the sprocket wheel holding up so far?
>  
> Chris
>  
> In a message dated 10/16/2016 1:53:06 P.M. Eastern Daylight Time, 
> ne...@live.dk  writes:
>
>
> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
> Kristensen: 
>>
>> Hey. iam making a Centurion mrk 5 Danish version. 
>> All moving parts made with my 3D printer. Brushless motors and lipo 
>> battery .
>> First track test today:
>> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>>
>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-EvHHDlrx--k/WAO-I6WkdVI/A4E/vmzBjBSDL3s3bLtUbiJdOIN2cYSoC-5rgCLcB/s1600/CAM00192.jpg>

<https://lh3.googleusercontent.com/-f-zAPf9rGFM/WAO-NhzgxtI/A4I/eL1ejQFDnCI0t-7PCewGCz62lEuvKw8zQCLcB/s1600/CAM00193.jpg>

<https://lh3.googleusercontent.com/-txCHpLcs2vA/WAO-TJ4avxI/A4M/FopU4sakAyEC7XG03bTgaDdK1lhVlxfDgCLcB/s1600/CAM00194.jpg>

<https://lh3.googleusercontent.com/-i0W7qCDXRyU/WAO-XZMD20I/A4Q/vmI0rabUdSMjWSwL6eEyXm8Tm3gVXk6XACLcB/s1600/CAM00195.jpg>

<https://lh3.googleusercontent.com/-m4qdUR4o0y8/WAO-bFrHQlI/A4U/d51klArgDG06K4rx6X4U4mb62oW1ballgCLcB/s1600/CAM00196.jpg>

<https://lh3.googleusercontent.com/-NwbF3BkCO0c/WAO-eX9_urI/A4Y/ycrD7_ve-z4jmEYD5uLt5Io6JuVFGgCMACLcB/s1600/CAM00197.jpg>

<https://lh3.googleusercontent.com/-0--hG8hnxv8/WAO-DZKxHrI/A4A/y7D2cnURgksBL_-iYlDtDNOn-RAi6bCbACLcB/s1600/CAM00191.jpg>
Now iam redy to assemble my Centurion mrk 5 tank, after painting all the 
parts

Den søndag den 25. september 2016 kl. 18.25.09 UTC+2 skrev jmaxhl23:
>
> Very impressive!! Nice work and you are very lucky to get side by side 
> with the real thing!! 
>
> Jean-Maxime Cyr St-Pierre
>
> Le 25 sept. 2016 11:56 AM, "Niels Erik Kristensen" <ne...@live.dk 
> > a écrit :
>
>>
>> <https://lh3.googleusercontent.com/-8Ns4Vvm2rtc/V-fzIHTQGmI/A3c/HfJxPw4Suh40RfNyK61kwnMSfOM_E9jbwCLcB/s1600/13925725_10210426646004833_7283976713362558951_o.jpg>
>>
>>
>> <https://lh3.googleusercontent.com/-t8tZDtifmhY/V-fzRQ6OZJI/A3g/snnMsIzyDFs5mssnKDcxFOkaPhaF1wWhACLcB/s1600/BILD3308.JPG>
>>
>>
>> <https://lh3.googleusercontent.com/-V0SUqemLaaY/V-fzVPGElJI/A3k/LuaublFvPNM7n9cLqlLtKhZNPuOJNCVBgCLcB/s1600/BILD3309.JPG>
>>
>>
>> <https://lh3.googleusercontent.com/-Zqfyh6_fTj0/V-fzYlSGg9I/A3o/JhZaSPp8NOklp09-KICEAZF_G5M5YeCOgCLcB/s1600/BILD3310.JPG>
>>
>>
>> <https://lh3.googleusercontent.com/-5DmwWD3FIIM/V-fzcQKd-6I/A3s/TdhvxZv2i4wsW4m73jjbRVf81DhLM4NzQCLcB/s1600/BILD3311.JPG>
>>
>>
>> <https://lh3.googleusercontent.com/-A6gqA8h4XYs/V-fzez187VI/A3w/wFHBK02AWl0dBaDCDj6NsWds-JxZNu7MACLcB/s1600/BILD3312.JPG>
>>
>>
>> <https://lh3.googleusercontent.com/-dUR4oejwnlA/V-fzCLg1PII/A3Y/HdRoW1pAjXERSl8T6uPPjeij7a7qSIPrwCLcB/s1600/13913954_10210426646964857_8381083539721871810_o.jpg>
>> Painting of my Centurion in progress. I have the fortune to visit a 
>> garage where old retried tank crews are holding some old tanks in mint 
>> condition. They get out to shoot ones a year, and precipitate in shows 
>> around Denmark. On my wisit i got 5 liters of the original green color with 
>> me , to use on my Centurion mrk 5. Tery loved my tank, and i have promised 
>> to come back when i am are finis building it ;.)
>>
>> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
>> Kristensen:
>>>
>>> Hey. iam making a Centurion mrk 5 Danish version.
>>> All moving parts made with my 3D printer. Brushless motors and lipo 
>>> battery .
>>> First track test today:
>>> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>>>
>> -- 
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>

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[TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

<https://lh3.googleusercontent.com/-8Ns4Vvm2rtc/V-fzIHTQGmI/A3c/HfJxPw4Suh40RfNyK61kwnMSfOM_E9jbwCLcB/s1600/13925725_10210426646004833_7283976713362558951_o.jpg>

<https://lh3.googleusercontent.com/-t8tZDtifmhY/V-fzRQ6OZJI/A3g/snnMsIzyDFs5mssnKDcxFOkaPhaF1wWhACLcB/s1600/BILD3308.JPG>

<https://lh3.googleusercontent.com/-V0SUqemLaaY/V-fzVPGElJI/A3k/LuaublFvPNM7n9cLqlLtKhZNPuOJNCVBgCLcB/s1600/BILD3309.JPG>

<https://lh3.googleusercontent.com/-Zqfyh6_fTj0/V-fzYlSGg9I/A3o/JhZaSPp8NOklp09-KICEAZF_G5M5YeCOgCLcB/s1600/BILD3310.JPG>

<https://lh3.googleusercontent.com/-5DmwWD3FIIM/V-fzcQKd-6I/A3s/TdhvxZv2i4wsW4m73jjbRVf81DhLM4NzQCLcB/s1600/BILD3311.JPG>

<https://lh3.googleusercontent.com/-A6gqA8h4XYs/V-fzez187VI/A3w/wFHBK02AWl0dBaDCDj6NsWds-JxZNu7MACLcB/s1600/BILD3312.JPG>

<https://lh3.googleusercontent.com/-dUR4oejwnlA/V-fzCLg1PII/A3Y/HdRoW1pAjXERSl8T6uPPjeij7a7qSIPrwCLcB/s1600/13913954_10210426646964857_8381083539721871810_o.jpg>
Painting of my Centurion in progress. I have the fortune to visit a garage 
where old retried tank crews are holding some old tanks in mint condition. 
They get out to shoot ones a year, and precipitate in shows around Denmark. 
On my wisit i got 5 liters of the original green color with me , to use on 
my Centurion mrk 5. Tery loved my tank, and i have promised to come back 
when i am are finis building it ;.)

Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
Kristensen:
>
> Hey. iam making a Centurion mrk 5 Danish version.
> All moving parts made with my 3D printer. Brushless motors and lipo 
> battery .
> First track test today:
> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

I dont have the opportunity to try that yet-But it will come one day  :-)


Den tirsdag den 2. august 2016 kl. 14.27.23 UTC+2 skrev Frank Pittelli:
>
> By "stress test", I think he means something like driving full speed over 
> an obstacle that generates a lot of dynamic stress on the parts, such as in 
> this video:
>
> https://youtu.be/qkO4s0F5AyQ
>
> Driving on flat surfaces with a heavy load is a good test, but driving 
> into and over things at full speed is the ultimate test of a vehicle :--)
>
> On Aug 2, 2016 1:25 AM, "Niels Erik Kristensen" <ne...@live.dk 
> > wrote:
>
>> The turret are made of fiberglass. And i have made several strestests : 
>> https://www.youtube.com/watch?v=3qGgA0uKl-o
>>
>>
>> <https://lh3.googleusercontent.com/-msj15KCPQrs/V6Auzldw7fI/A2o/ZOm0kyN34H0w4IeoR4I9hFOWqZmFjV-KQCLcB/s1600/12495995_927192554093788_7769765975696396041_o.jpg>
>>
>>
>> <https://lh3.googleusercontent.com/-IdQoYFdJdOE/V6Au3duAzEI/A2s/T8d9nDsvFUgXmhtZ7zaWvvUp13moEByrQCLcB/s1600/b%25C3%25B8rne%2Btur.jpg>
>>
>>
>> Den tirsdag den 2. august 2016 kl. 04.10.10 UTC+2 skrev jvragu47:
>>>
>>> Looks very nice.  For your next video, how about a little stress test of 
>>> the suspension please? Thank you.
>>>
>>> On Monday, August 1, 2016 at 5:22:30 PM UTC-4, Niels Erik Kristensen 
>>> wrote:
>>>>
>>>> Now i have tested my PLA printed Centurion over 2 months, and there are 
>>>> no sign of damage on the mowing parts ( gears and tracks) Here are a video 
>>>> from a event where i was driving in front of spectators for fun:
>>>> https://www.youtube.com/watch?v=pEo3s8yDLEA=youtu.be
>>>>
>>>> Den tirsdag den 19. april 2016 kl. 08.39.21 UTC+2 skrev Niels Erik 
>>>> Kristensen:
>>>>>
>>>>> Pla are strongere than ABS-But not elastic. Its almost like the cast 
>>>>> iron of plastic. Make a solid 4-5mm pla part and se for yourself. ABS 
>>>>> stinks when printet-And wrap alot during the printing. In Denmark where i 
>>>>> live,high temperature are rare. And if one parts break i can easyly print 
>>>>> a 
>>>>> new one.
>>>>> By the way-Wood are also bio degradeable-And it will degrade faster 
>>>>> than PLA-Maby paintball filled with termittes will work better :-)
>>>>>
>>>>>
>>>>> Den tirsdag den 19. april 2016 kl. 08.26.25 UTC+2 skrev Niels Erik 
>>>>> Kristensen:
>>>>>>
>>>>>> Most of my parts are printet with 99% infill-Ore vith 2mm walls and 
>>>>>> 20 % infil
>>>>>>
>>>>>> Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>>>>>>>
>>>>>>> What you have to worry more about PLA is its warpage in the heat.  
>>>>>>> PLA parts will begin to warp if left in a hot car or possibly just 
>>>>>>> leaving 
>>>>>>> your tank in the sun. Printing with ABS will eliminate warpage and 
>>>>>>> yield 
>>>>>>> stronger parts, but for true durability you should look into nylon.
>>>>>>
>>>>>> -- 
>> -- 
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>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Den tirsdag den 2. august 2016 kl. 07.25.56 UTC+2 skrev Niels Erik 
Kristensen:
>
> The turret are made of fiberglass. And i have made several strestests : 
> https://www.youtube.com/watch?v=3qGgA0uKl-o
>
>
> <https://lh3.googleusercontent.com/-msj15KCPQrs/V6Auzldw7fI/A2o/ZOm0kyN34H0w4IeoR4I9hFOWqZmFjV-KQCLcB/s1600/12495995_927192554093788_7769765975696396041_o.jpg>
>
>
> <https://lh3.googleusercontent.com/-IdQoYFdJdOE/V6Au3duAzEI/A2s/T8d9nDsvFUgXmhtZ7zaWvvUp13moEByrQCLcB/s1600/b%25C3%25B8rne%2Btur.jpg>
>
>
> Den tirsdag den 2. august 2016 kl. 04.10.10 UTC+2 skrev jvragu47:
>>
>> Looks very nice.  For your next video, how about a little stress test of 
>> the suspension please? Thank you.
>>
>> On Monday, August 1, 2016 at 5:22:30 PM UTC-4, Niels Erik Kristensen 
>> wrote:
>>>
>>> Now i have tested my PLA printed Centurion over 2 months, and there are 
>>> no sign of damage on the mowing parts ( gears and tracks) Here are a video 
>>> from a event where i was driving in front of spectators for fun:
>>> https://www.youtube.com/watch?v=pEo3s8yDLEA=youtu.be
>>>
>>> Den tirsdag den 19. april 2016 kl. 08.39.21 UTC+2 skrev Niels Erik 
>>> Kristensen:
>>>>
>>>> Pla are strongere than ABS-But not elastic. Its almost like the cast 
>>>> iron of plastic. Make a solid 4-5mm pla part and se for yourself. ABS 
>>>> stinks when printet-And wrap alot during the printing. In Denmark where i 
>>>> live,high temperature are rare. And if one parts break i can easyly print 
>>>> a 
>>>> new one.
>>>> By the way-Wood are also bio degradeable-And it will degrade faster 
>>>> than PLA-Maby paintball filled with termittes will work better :-)
>>>>
>>>>
>>>> Den tirsdag den 19. april 2016 kl. 08.26.25 UTC+2 skrev Niels Erik 
>>>> Kristensen:
>>>>>
>>>>> Most of my parts are printet with 99% infill-Ore vith 2mm walls and 20 
>>>>> % infil
>>>>>
>>>>> Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>>>>>>
>>>>>> What you have to worry more about PLA is its warpage in the heat. 
>>>>>>  PLA parts will begin to warp if left in a hot car or possibly just 
>>>>>> leaving 
>>>>>> your tank in the sun. Printing with ABS will eliminate warpage and yield 
>>>>>> stronger parts, but for true durability you should look into nylon.
>>>>>
>>>>>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

The turret are made of fiberglass. And i have made several strestests 
: https://www.youtube.com/watch?v=3qGgA0uKl-o

<https://lh3.googleusercontent.com/-msj15KCPQrs/V6Auzldw7fI/A2o/ZOm0kyN34H0w4IeoR4I9hFOWqZmFjV-KQCLcB/s1600/12495995_927192554093788_7769765975696396041_o.jpg>

<https://lh3.googleusercontent.com/-IdQoYFdJdOE/V6Au3duAzEI/A2s/T8d9nDsvFUgXmhtZ7zaWvvUp13moEByrQCLcB/s1600/b%25C3%25B8rne%2Btur.jpg>


Den tirsdag den 2. august 2016 kl. 04.10.10 UTC+2 skrev jvragu47:
>
> Looks very nice.  For your next video, how about a little stress test of 
> the suspension please? Thank you.
>
> On Monday, August 1, 2016 at 5:22:30 PM UTC-4, Niels Erik Kristensen wrote:
>>
>> Now i have tested my PLA printed Centurion over 2 months, and there are 
>> no sign of damage on the mowing parts ( gears and tracks) Here are a video 
>> from a event where i was driving in front of spectators for fun:
>> https://www.youtube.com/watch?v=pEo3s8yDLEA=youtu.be
>>
>> Den tirsdag den 19. april 2016 kl. 08.39.21 UTC+2 skrev Niels Erik 
>> Kristensen:
>>>
>>> Pla are strongere than ABS-But not elastic. Its almost like the cast 
>>> iron of plastic. Make a solid 4-5mm pla part and se for yourself. ABS 
>>> stinks when printet-And wrap alot during the printing. In Denmark where i 
>>> live,high temperature are rare. And if one parts break i can easyly print a 
>>> new one.
>>> By the way-Wood are also bio degradeable-And it will degrade faster than 
>>> PLA-Maby paintball filled with termittes will work better :-)
>>>
>>>
>>> Den tirsdag den 19. april 2016 kl. 08.26.25 UTC+2 skrev Niels Erik 
>>> Kristensen:
>>>>
>>>> Most of my parts are printet with 99% infill-Ore vith 2mm walls and 20 
>>>> % infil
>>>>
>>>> Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>>>>>
>>>>> What you have to worry more about PLA is its warpage in the heat.  PLA 
>>>>> parts will begin to warp if left in a hot car or possibly just leaving 
>>>>> your 
>>>>> tank in the sun. Printing with ABS will eliminate warpage and yield 
>>>>> stronger parts, but for true durability you should look into nylon.
>>>>
>>>>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Now i have tested my PLA printed Centurion over 2 months, and there are no 
sign of damage on the mowing parts ( gears and tracks) Here are a video 
from a event where i was driving in front of spectators for fun:
https://www.youtube.com/watch?v=pEo3s8yDLEA=youtu.be

Den tirsdag den 19. april 2016 kl. 08.39.21 UTC+2 skrev Niels Erik 
Kristensen:
>
> Pla are strongere than ABS-But not elastic. Its almost like the cast iron 
> of plastic. Make a solid 4-5mm pla part and se for yourself. ABS stinks 
> when printet-And wrap alot during the printing. In Denmark where i 
> live,high temperature are rare. And if one parts break i can easyly print a 
> new one.
> By the way-Wood are also bio degradeable-And it will degrade faster than 
> PLA-Maby paintball filled with termittes will work better :-)
>
>
> Den tirsdag den 19. april 2016 kl. 08.26.25 UTC+2 skrev Niels Erik 
> Kristensen:
>>
>> Most of my parts are printet with 99% infill-Ore vith 2mm walls and 20 % 
>> infil
>>
>> Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>>>
>>> What you have to worry more about PLA is its warpage in the heat.  PLA 
>>> parts will begin to warp if left in a hot car or possibly just leaving your 
>>> tank in the sun. Printing with ABS will eliminate warpage and yield 
>>> stronger parts, but for true durability you should look into nylon.
>>
>>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Pla are strongere than ABS-But not elastic. Its almost like the cast iron 
of plastic. Make a solid 4-5mm pla part and se for yourself. ABS stinks 
when printet-And wrap alot during the printing. In Denmark where i 
live,high temperature are rare. And if one parts break i can easyly print a 
new one.
By the way-Wood are also bio degradeable-And it will degrade faster than 
PLA-Maby paintball filled with termittes will work better :-)


Den tirsdag den 19. april 2016 kl. 08.26.25 UTC+2 skrev Niels Erik 
Kristensen:
>
> Most of my parts are printet with 99% infill-Ore vith 2mm walls and 20 % 
> infil
>
> Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>>
>> What you have to worry more about PLA is its warpage in the heat.  PLA 
>> parts will begin to warp if left in a hot car or possibly just leaving your 
>> tank in the sun. Printing with ABS will eliminate warpage and yield 
>> stronger parts, but for true durability you should look into nylon.
>
>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Most of my parts are printet with 99% infill-Ore vith 2mm walls and 20 % 
infil

Den tirsdag den 19. april 2016 kl. 01.42.45 UTC+2 skrev Caleb Smith:
>
> What you have to worry more about PLA is its warpage in the heat.  PLA 
> parts will begin to warp if left in a hot car or possibly just leaving your 
> tank in the sun. Printing with ABS will eliminate warpage and yield 
> stronger parts, but for true durability you should look into nylon.

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Yes thats right :-)-tests have been made-After one year outside in sun and 
rain, an objeckt made of pla will get pale, but nothing are seen on the 
plastic. 
The most common form of bioplastic is polylactide acid or PLA and is made 
out of corn. Unfortunately, in order for PLA do biodegrade, it needs a 
certain kind of bacteria at just the right temperature. These are not found 
in landfills, (where most plastic bags end up), but require treatment at 
one of 42 commercial composting facilities in the U.S.

So i will not take my Centurion near one of the 42 composting 
facilities-But just stay in Denmark-And my tank will be safe :-)


Den mandag den 18. april 2016 kl. 20.50.18 UTC+2 skrev TyngTech:
>
> PLA?  That's biodegradable so don't let it get wet for any length of time. 
>  Awesome work btw.
>
> ST
>
>
> On Thursday, April 14, 2016 at 2:38:11 PM UTC-4, Niels Erik Kristensen 
> wrote:
>>
>> Iam using thise motors: 
>> http://www.hobbyking.com/hobbyking/store/__8490__Turnigy_4258_Brushless_Motor_800kv.html
>> I print everything in PLA. And the thing around my motors are a cooling 
>> tube, with 2*45mm fan units in the top-Its home made like everything om my 
>> tank, i also made all drawings. I dont no yet if there are ant wear on my 
>> gears-But i can se wear marks on the tracks 
>>
>> Den torsdag den 14. april 2016 kl. 18.36.26 UTC+2 skrev Jean-Maxime Cyr 
>> St-Pierre:
>>>
>>> Super job!! Look anwsome!!
>>>
>>> I got few questions...!
>>>
>>> What size your airplane motors are ??
>>>
>>> What material your using for your gears?? I know there is new wires to 
>>> make super strong gearing out of nylon...
>>>
>>> What is the thing you made up for not overheating your motor?
>>>
>>> And after all this did you see any sign of wear on any of your part?? 
>>> Because your project seem to proof that the futur of our hobby pass by the 
>>> 3d printing like almost in any hobby it seems...!!
>>>
>>> Thank you
>>>
>>> Jean-Maxime Cyr St-Pierre 
>>>
>>>
>>> --
>>> *De :* rctank...@googlegroups.com <rctank...@googlegroups.com> de la 
>>> part de Niels Erik Kristensen <ne...@live.dk>
>>> *Envoyé :* 12 avril 2016 17:09
>>> *À :* R/C Tank Combat
>>> *Objet :* [TANKS] Re: Centurion mrk 5 
>>>  
>>> Final stres test before i continue the build-All test OK  
>>> https://www.youtube.com/watch?v=3qGgA0uKl-o
>>>
>>> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
>>> Kristensen: 
>>>>
>>>> Hey. iam making a Centurion mrk 5 Danish version. 
>>>> All moving parts made with my 3D printer. Brushless motors and lipo 
>>>> battery .
>>>> First track test today:
>>>> https://www.youtube.com/watch?v=iXr4a3K6Jd8 
>>>> <https://www.youtube.com/watch?v=iXr4a3K6Jd8>
>>>> Centurion 1/6 Track test <https://www.youtube.com/watch?v=iXr4a3K6Jd8>
>>>> www.youtube.com
>>>> Første test af motor + gear+ bælte på min hjemme byggede centurion i 
>>>> størelse 1-6. Alle dele er printet i PLA på min 3D printer ( Undtaget 
>>>> selve 
>>>> karosseriet )
>>>>
>>>> -- 
>>> -- 
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>>>
>>

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Re: [TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Iam using thise 
motors: 
http://www.hobbyking.com/hobbyking/store/__8490__Turnigy_4258_Brushless_Motor_800kv.html
I print everything in PLA. And the thing around my motors are a cooling 
tube, with 2*45mm fan units in the top-Its home made like everything om my 
tank, i also made all drawings. I dont no yet if there are ant wear on my 
gears-But i can se wear marks on the tracks 

Den torsdag den 14. april 2016 kl. 18.36.26 UTC+2 skrev Jean-Maxime Cyr 
St-Pierre:
>
> Super job!! Look anwsome!!
>
> I got few questions...!
>
> What size your airplane motors are ??
>
> What material your using for your gears?? I know there is new wires to 
> make super strong gearing out of nylon...
>
> What is the thing you made up for not overheating your motor?
>
> And after all this did you see any sign of wear on any of your part?? 
> Because your project seem to proof that the futur of our hobby pass by the 
> 3d printing like almost in any hobby it seems...!!
>
> Thank you
>
> Jean-Maxime Cyr St-Pierre 
>
>
> --
> *De :* rctank...@googlegroups.com  <
> rctank...@googlegroups.com > de la part de Niels Erik 
> Kristensen <ne...@live.dk >
> *Envoyé :* 12 avril 2016 17:09
> *À :* R/C Tank Combat
> *Objet :* [TANKS] Re: Centurion mrk 5 
>  
> Final stres test before i continue the build-All test OK  
> https://www.youtube.com/watch?v=3qGgA0uKl-o
>
> Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
> Kristensen: 
>>
>> Hey. iam making a Centurion mrk 5 Danish version. 
>> All moving parts made with my 3D printer. Brushless motors and lipo 
>> battery .
>> First track test today:
>> https://www.youtube.com/watch?v=iXr4a3K6Jd8 
>> <https://www.youtube.com/watch?v=iXr4a3K6Jd8>
>> Centurion 1/6 Track test <https://www.youtube.com/watch?v=iXr4a3K6Jd8>
>> www.youtube.com
>> Første test af motor + gear+ bælte på min hjemme byggede centurion i 
>> størelse 1-6. Alle dele er printet i PLA på min 3D printer ( Undtaget selve 
>> karosseriet )
>>
>> -- 
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[TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Final stres test before i continue the build-All test OK 
https://www.youtube.com/watch?v=3qGgA0uKl-o

Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
Kristensen:
>
> Hey. iam making a Centurion mrk 5 Danish version.
> All moving parts made with my 3D printer. Brushless motors and lipo 
> battery .
> First track test today:
> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>

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[TANKS] Re: Centurion mrk 5

[Niels Erik Kristensen]

Now i have the bottom of my Centurion running! All parts made with my 3D 
printer ( including gears) 2*800 watt brushles motors, with homemade 
cooling, and car escs to control it. The video proff that brushles plane 
motors works in a big tank.
https://www.youtube.com/watch?v=dTuBry0xe1o=youtu.be

Den mandag den 28. marts 2016 kl. 16.56.35 UTC+2 skrev Niels Erik 
Kristensen:
>
> Hey. iam making a Centurion mrk 5 Danish version.
> All moving parts made with my 3D printer. Brushless motors and lipo 
> battery .
> First track test today:
> https://www.youtube.com/watch?v=iXr4a3K6Jd8
>

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Re: [TANKS] Centurion mrk 5

[Niels Erik Kristensen]

Yes your right-All moving parts are printed, including the gearboxes. And 
yes, my Centurion will be controled with FPV gear. That mens 2 camers: one 
in the tover and one pointing with the canon. And a laser pointer also to 
aim with :-)

Den onsdag den 30. marts 2016 kl. 03.10.44 UTC+2 skrev Jean-Maxime Cyr 
St-Pierre:
>
> Pretty Nice work you did on that tank!!! 
>
> Lot of scaled parts!! 
>
>
> Am I rigth to think that you made your own 3d printed gearbox?? 
>
>  And by looking at your videos, it seems that you will make this tank FPV 
> with a moving periscope on the cupola??!! 
>
> Eager to see more details on your projects!! 
>
> Jean-Maxime Cyr St-Pierre 
>  
> De : rctank...@googlegroups.com  <rctank...@googlegroups.com 
> > de la part de Niels Erik Kristensen <ne...@live.dk 
> > 
> Envoyé : 28 mars 2016 11:56:34 
> À : R/C Tank Combat 
> Objet : [TANKS] Centurion mrk 5 
>
> Hey. iam making a Centurion mrk 5 Danish version. 
> All moving parts made with my 3D printer. Brushless motors and lipo 
> battery . 
> First track test today: 
> https://www.youtube.com/watch?v=iXr4a3K6Jd8 
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[TANKS] Centurion mrk 5

[Niels Erik Kristensen]

Hey. iam making a Centurion mrk 5 Danish version.
All moving parts made with my 3D printer. Brushless motors and lipo battery 
.
First track test today:
https://www.youtube.com/watch?v=iXr4a3K6Jd8

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[TANKS] Re: My build ARV BTS-2 scale 1/8

[Niels Erik Kristensen]

WOW Thats very nice work!!

Den torsdag den 30. april 2015 kl. 01.03.33 UTC+2 skrev dubok78:

 Hello.

 I want to show the production of the model tractor BТS-2 on a scale of 1/8.

 I lay out a link to a gallery with pictures and video. 
 http://postimg.org/gallery/4kifqe9q/

 If you have questions on specific details, ask, I will answer to all 
 concerned.

 https://www.youtube.com/watch?v=6vhLVa-gaqM

 https://www.youtube.com/watch?v=FlmhU_ADNGs


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Re: [TANKS] Re: brushless motor questions

[Niels Erik Kristensen]

I use brushless motors in my tank-And it seems to work 
well: https://www.youtube.com/watch?v=-MlTcjFC61E 
And nobody can beat the 
price-http://www.hobbyking.com/hobbyking/store/__8490__Turnigy_4258_Brushless_Motor_800kv.html?strSearch=4258


Den onsdag den 29. juli 2015 kl. 22.04.24 UTC+2 skrev RocketMan:

  Presumably, that rating is for a 100% duty cycle 
 This is my understanding, too. 

 Thanks for the responses, everyone. I think I'll stick to brushed motors 
 for now. Frank's points make a lot of sense to me. One more thing that 
 concerns me about the outrunners is that most of the housing I've seen are 
 open. That's good when you're flying a plane and want to use the air flow 
 to cool the motor. It's bad when there's dust and dirt everywhere and Will 
 is trying to shoot paint up my tank's ass ! 

 - Doug 


 -Original Message- 
 From: rctank...@googlegroups.com javascript: [mailto:
 rctank...@googlegroups.com javascript:] On Behalf Of Frank Pittelli 
 Sent: Wednesday, July 29, 2015 3:09 PM 
 To: rctank...@googlegroups.com javascript: 
 Subject: Re: [TANKS] Re: brushless motor questions 

 I haven't looked at brushless motors in detail, but from a couple years of 
 Physics in college I learned that when you increase voltage/current in a 
 coil, you increase the strength of the magnetic field generated by the 
 coil.  So, I suspect that the RPMs per volt rating for brushless motors 
 tells you how much voltage needs to be applied to pull the armature hard 
 enough for a given speed.  Presumably, that rating is for a 100% duty cycle 
 (i.e., max speed).  Indeed, the controller pulses the voltage for two 
 purposes (a) to spin the motor one way or another and 
 (b) to regulate the speed (i.e., decrease the average voltage seen by the 
 coil). 

 With regard to torque, for a given duty cycle, if you decrease the input 
 voltage the torque will also decrease.  But, if you maintain the same input 
 voltage, while decreasing the duty cycle, the torque will remain relatively 
 stable while the speed decreases.  That's why really big earth movers and 
 locomotives use diesel-electric drive systems ... 
 maximal torque across a range of RPMs. 

 On 7/29/2015 12:18 PM, TyngTech wrote: 
  Can't say I truly understand the brushless nomenclature (i.e. KVA) 
  because nobody ever talks about the controller side.  Brushless motors 
  are basically steppers and without the controller are inert chunks of 
  iron and copper.  What I don't get is the KVA ratings (rpm's per volt) 
  of these motors.  In my mind, the controller dictates rpm by how fast 
  it is energizing the phases, not by how much voltage is being applied. 
Voltage would affect acceleration and torque or am I getting this 
 wrong? 

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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Thanks-I have also climped a hill: 
https://www.youtube.com/watch?v=Kfokx9Hw5ic

Den onsdag den 22. juli 2015 kl. 15.46.18 UTC+2 skrev neroc1:

 That is fantastic, very well done,  Id love to see it in a bumpy field.
 Neil R


 On Monday, July 20, 2015 at 1:05:32 PM UTC-7, Niels Erik Kristensen wrote:

 Now i have a driveable tank :-= 
 https://www.youtube.com/watch?v=-MlTcjFC61Efeature=em-upload_owner



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Now i have a driveable tank 
:-= https://www.youtube.com/watch?v=-MlTcjFC61Efeature=em-upload_owner

Den tirsdag den 14. juli 2015 kl. 12.10.52 UTC+2 skrev Niels Erik 
Kristensen:

 Yes i am-They seems to work good!

 --
 Date: Tue, 14 Jul 2015 02:52:23 -0700
 From: funkyneroc%ntlworld@gtempaccount.com
 To: rctankcombat@googlegroups.com
 Subject: Re: [TANKS] Re: T34-85 from Denmark

 Splendid work ! 
 Its always a pleasure to see a new tank driving. Are you happy with your 
 3d printed tracks ?
 Neil R 


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RE: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Yes i am-They seems to work good!

Date: Tue, 14 Jul 2015 02:52:23 -0700
From: funkyneroc%ntlworld@gtempaccount.com
To: rctankcombat@googlegroups.com
Subject: Re: [TANKS] Re: T34-85 from Denmark

Splendid work ! 
Its always a pleasure to see a new tank driving. Are you happy with your 3d 
printed tracks ?
Neil R 





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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

First test run-3D printet tracks, and brushless motors-2*800 Watt
https://www.youtube.com/watch?v=A-zUjgHUVM8

Need a littel more tension on one of the tracks :-)


Den lørdag den 11. april 2015 kl. 17.26.01 UTC+2 skrev Niels Erik 
Kristensen:


 https://lh3.googleusercontent.com/-rAiic3VV9to/VSk9BEtOJuI/Aww/ru3dsRJS5nY/s1600/karosseri%2B6.JPG


 https://lh3.googleusercontent.com/-M1d4hDTLM0g/VSk89ZAubuI/Awo/kqFWOwGdBgA/s1600/karosseri%2B5.JPG
 More wood and paint! Starting to look like a T 34/85 tank

 Den mandag den 6. april 2015 kl. 21.07.59 UTC+2 skrev Niels Erik 
 Kristensen:


 https://lh3.googleusercontent.com/-zq2YCF0EV-M/VSLZc3ZA5II/AsQ/89cBY6M9Q8E/s1600/karosseri2.JPG


 https://lh3.googleusercontent.com/-Fjvh_2SuOk4/VSLZhhi5QqI/AsY/fRfW2hlbQcg/s1600/nye%2Bb%C3%A6lter%2B7%2B%281%29.JPG


 https://lh3.googleusercontent.com/-rwEdUmMDh-I/VSLZZBVdFLI/AsI/82PWUnmnDVo/s1600/karosseri1.JPG


 Den lørdag den 4. april 2015 kl. 00.42.23 UTC+2 skrev Niels Erik 
 Kristensen:

 Back to building my tank-The steel belts was not working, so i have now 
 printet a new track on my 3d printer:
 https://www.youtube.com/watch?v=D4WaRKr2D7kfeature=em-upload_owner

 Den mandag den 3. juni 2013 kl. 23.13.26 UTC+2 skrev Niels Erik 
 Kristensen:

 First testdrive-With a werry bad nokia phone kamera:
 http://www.youtube.com/watch?v=yJlNC29xDcI
 Now i will go flying RC planes for the sommer-And continiue my tank at 
 the winter agin
 Den fredag den 26. april 2013 17.45.51 UTC+2 skrev Niels Erik 
 Kristensen:

 Now a littel chance in my plans for my tank!! The watercooling are 
 out! The ESC`s that i want to use are not good enough, so now i will use 
 ESC`s from cars-With reverse :-)
 The problem are that the Boat esc`s that i have, dont have propotional 
 reverse funktion-They just give full trottel when i will go reverse-I can 
 chance that down to 25% full trottel-But that are not sutabel for a tank.
 That malfunktion, cost me my first damage to my tank :-(  In a motor 
 test, outside, the tank sudently go full reverse in to the wall!  But 
 damage where small: the front aksel bent a littel (about 3 mm) I can fix 
 that-No damage to the hull :-) and then the rear spocket, that are 
 sitting 
 on the rear main aksel, got loose. The spocket are secured to the aksel 
 with 3 ps. of 5mm bolts, all countersunk about 2 mm into the aksel-They 
 all 
 got 2mm shorter!!  I think there are alot of power in my motors.
 Den tirsdag den 23. april 2013 07.03.38 UTC+2 skrev Niels Erik 
 Kristensen:

 The motor mounts are not redy yet, they will have a top on too-With a 
 60mm fan, for cooling.
 The top are 6mm plywood, and i use epoxy to glue it on with.
 Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are 
 doing an excellent build.  Just keep an eye on those motor mounts.  
 They 
 look a little weak.  If they start to flex at all, you will want to 
 make 
 them stronger.  Any flex will eventually lead to breaking.  Had it 
 happen 
 to me in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen 
 ne...@live.dk wrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor 
 running-I only got 1 ESC for the moment, the other one are delayed in 
 Chinise mail :-(
 The ESC are not set right, at the moment, first i have to download 
 the manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone 
 expects from Neil section.   It will include all the criticisms we 
 have of 
 Neil (constructive of course).  If necessary, we can expand that 
 section 
 onto another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What 
 Neil expects I have been spending large amounts of time teaching pre 
 teenage tankers and as a consequence my manner maybe becoming 
 somewhat 
 condescending. Id like nothing more than to introduce such a regime 
 to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the 
 rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen 
 wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then 
 consider

Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

He he-Pink was the only colour i had at the time-And its a nice colour to 
lighten up inside the tank

Den tirsdag den 7. april 2015 kl. 03.58.01 UTC+2 skrev odyssey...@aol.com:

  bubble-gum pink? any chance it floats about and the one motor gurgles 
 and belches out smoke?
  
 chris
  
  In a message dated 4/6/2015 3:08:02 P.M. Eastern Daylight Time, 
 ne...@live.dk javascript: writes:

 [image: 
 https://lh3.googleusercontent.com/-zq2YCF0EV-M/VSLZc3ZA5II/AsQ/89cBY6M9Q8E/s1600/karosseri2.JPG]
  
 https://lh3.googleusercontent.com/-zq2YCF0EV-M/VSLZc3ZA5II/AsQ/89cBY6M9Q8E/s1600/karosseri2.JPG

 [image: 
 https://lh3.googleusercontent.com/-Fjvh_2SuOk4/VSLZhhi5QqI/AsY/fRfW2hlbQcg/s1600/nye+bælter+7+(1).JPG]
  
 https://lh3.googleusercontent.com/-Fjvh_2SuOk4/VSLZhhi5QqI/AsY/fRfW2hlbQcg/s1600/nye%2Bb%C3%A6lter%2B7%2B%281%29.JPG



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

https://lh3.googleusercontent.com/-zq2YCF0EV-M/VSLZc3ZA5II/AsQ/89cBY6M9Q8E/s1600/karosseri2.JPG

https://lh3.googleusercontent.com/-Fjvh_2SuOk4/VSLZhhi5QqI/AsY/fRfW2hlbQcg/s1600/nye%2Bb%C3%A6lter%2B7%2B%281%29.JPG

https://lh3.googleusercontent.com/-rwEdUmMDh-I/VSLZZBVdFLI/AsI/82PWUnmnDVo/s1600/karosseri1.JPG


Den lørdag den 4. april 2015 kl. 00.42.23 UTC+2 skrev Niels Erik Kristensen:

 Back to building my tank-The steel belts was not working, so i have now 
 printet a new track on my 3d printer:
 https://www.youtube.com/watch?v=D4WaRKr2D7kfeature=em-upload_owner

 Den mandag den 3. juni 2013 kl. 23.13.26 UTC+2 skrev Niels Erik Kristensen:

 First testdrive-With a werry bad nokia phone kamera:
 http://www.youtube.com/watch?v=yJlNC29xDcI
 Now i will go flying RC planes for the sommer-And continiue my tank at 
 the winter agin
 Den fredag den 26. april 2013 17.45.51 UTC+2 skrev Niels Erik Kristensen:

 Now a littel chance in my plans for my tank!! The watercooling are out! 
 The ESC`s that i want to use are not good enough, so now i will use ESC`s 
 from cars-With reverse :-)
 The problem are that the Boat esc`s that i have, dont have propotional 
 reverse funktion-They just give full trottel when i will go reverse-I can 
 chance that down to 25% full trottel-But that are not sutabel for a tank.
 That malfunktion, cost me my first damage to my tank :-(  In a motor 
 test, outside, the tank sudently go full reverse in to the wall!  But 
 damage where small: the front aksel bent a littel (about 3 mm) I can fix 
 that-No damage to the hull :-) and then the rear spocket, that are sitting 
 on the rear main aksel, got loose. The spocket are secured to the aksel 
 with 3 ps. of 5mm bolts, all countersunk about 2 mm into the aksel-They all 
 got 2mm shorter!!  I think there are alot of power in my motors.
 Den tirsdag den 23. april 2013 07.03.38 UTC+2 skrev Niels Erik 
 Kristensen:

 The motor mounts are not redy yet, they will have a top on too-With a 
 60mm fan, for cooling.
 The top are 6mm plywood, and i use epoxy to glue it on with.
 Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are doing 
 an excellent build.  Just keep an eye on those motor mounts.  They look a 
 little weak.  If they start to flex at all, you will want to make them 
 stronger.  Any flex will eventually lead to breaking.  Had it happen to 
 me 
 in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen ne...@live.dk 
 wrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor 
 running-I only got 1 ESC for the moment, the other one are delayed in 
 Chinise mail :-(
 The ESC are not set right, at the moment, first i have to download 
 the manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone expects 
 from Neil section.   It will include all the criticisms we have of 
 Neil 
 (constructive of course).  If necessary, we can expand that section 
 onto 
 another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What 
 Neil expects I have been spending large amounts of time teaching pre 
 teenage tankers and as a consequence my manner maybe becoming somewhat 
 condescending. Id like nothing more than to introduce such a regime to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the 
 rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen 
 wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then consider 
 it done :-)   I especkt the motors to be in the tank, and running, in 
 2-4 
 weeks :-)

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Back to building my tank-The steel belts was not working, so i have now 
printet a new track on my 3d printer:
https://www.youtube.com/watch?v=D4WaRKr2D7kfeature=em-upload_owner

Den mandag den 3. juni 2013 kl. 23.13.26 UTC+2 skrev Niels Erik Kristensen:

 First testdrive-With a werry bad nokia phone kamera:
 http://www.youtube.com/watch?v=yJlNC29xDcI
 Now i will go flying RC planes for the sommer-And continiue my tank at the 
 winter agin
 Den fredag den 26. april 2013 17.45.51 UTC+2 skrev Niels Erik Kristensen:

 Now a littel chance in my plans for my tank!! The watercooling are out! 
 The ESC`s that i want to use are not good enough, so now i will use ESC`s 
 from cars-With reverse :-)
 The problem are that the Boat esc`s that i have, dont have propotional 
 reverse funktion-They just give full trottel when i will go reverse-I can 
 chance that down to 25% full trottel-But that are not sutabel for a tank.
 That malfunktion, cost me my first damage to my tank :-(  In a motor 
 test, outside, the tank sudently go full reverse in to the wall!  But 
 damage where small: the front aksel bent a littel (about 3 mm) I can fix 
 that-No damage to the hull :-) and then the rear spocket, that are sitting 
 on the rear main aksel, got loose. The spocket are secured to the aksel 
 with 3 ps. of 5mm bolts, all countersunk about 2 mm into the aksel-They all 
 got 2mm shorter!!  I think there are alot of power in my motors.
 Den tirsdag den 23. april 2013 07.03.38 UTC+2 skrev Niels Erik Kristensen:

 The motor mounts are not redy yet, they will have a top on too-With a 
 60mm fan, for cooling.
 The top are 6mm plywood, and i use epoxy to glue it on with.
 Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are doing 
 an excellent build.  Just keep an eye on those motor mounts.  They look a 
 little weak.  If they start to flex at all, you will want to make them 
 stronger.  Any flex will eventually lead to breaking.  Had it happen to me 
 in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen ne...@live.dk 
 wrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor 
 running-I only got 1 ESC for the moment, the other one are delayed in 
 Chinise mail :-(
 The ESC are not set right, at the moment, first i have to download the 
 manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone expects 
 from Neil section.   It will include all the criticisms we have of Neil 
 (constructive of course).  If necessary, we can expand that section onto 
 another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What Neil 
 expects I have been spending large amounts of time teaching pre teenage 
 tankers and as a consequence my manner maybe becoming somewhat 
 condescending. Id like nothing more than to introduce such a regime to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the 
 rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen 
 wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then consider 
 it done :-)   I especkt the motors to be in the tank, and running, in 
 2-4 
 weeks :-)

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

First testdrive-With a werry bad nokia phone kamera:
http://www.youtube.com/watch?v=yJlNC29xDcI
Now i will go flying RC planes for the sommer-And continiue my tank at the 
winter agin
Den fredag den 26. april 2013 17.45.51 UTC+2 skrev Niels Erik Kristensen:

 Now a littel chance in my plans for my tank!! The watercooling are out! 
 The ESC`s that i want to use are not good enough, so now i will use ESC`s 
 from cars-With reverse :-)
 The problem are that the Boat esc`s that i have, dont have propotional 
 reverse funktion-They just give full trottel when i will go reverse-I can 
 chance that down to 25% full trottel-But that are not sutabel for a tank.
 That malfunktion, cost me my first damage to my tank :-(  In a motor 
 test, outside, the tank sudently go full reverse in to the wall!  But 
 damage where small: the front aksel bent a littel (about 3 mm) I can fix 
 that-No damage to the hull :-) and then the rear spocket, that are sitting 
 on the rear main aksel, got loose. The spocket are secured to the aksel 
 with 3 ps. of 5mm bolts, all countersunk about 2 mm into the aksel-They all 
 got 2mm shorter!!  I think there are alot of power in my motors.
 Den tirsdag den 23. april 2013 07.03.38 UTC+2 skrev Niels Erik Kristensen:

 The motor mounts are not redy yet, they will have a top on too-With a 
 60mm fan, for cooling.
 The top are 6mm plywood, and i use epoxy to glue it on with.
 Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are doing 
 an excellent build.  Just keep an eye on those motor mounts.  They look a 
 little weak.  If they start to flex at all, you will want to make them 
 stronger.  Any flex will eventually lead to breaking.  Had it happen to me 
 in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen ne...@live.dkwrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor running-I 
 only got 1 ESC for the moment, the other one are delayed in Chinise mail 
 :-(
 The ESC are not set right, at the moment, first i have to download the 
 manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone expects 
 from Neil section.   It will include all the criticisms we have of Neil 
 (constructive of course).  If necessary, we can expand that section onto 
 another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What Neil 
 expects I have been spending large amounts of time teaching pre teenage 
 tankers and as a consequence my manner maybe becoming somewhat 
 condescending. Id like nothing more than to introduce such a regime to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the 
 rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then consider 
 it done :-)   I especkt the motors to be in the tank, and running, in 2-4 
 weeks :-)

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Now a littel chance in my plans for my tank!! The watercooling are out! The 
ESC`s that i want to use are not good enough, so now i will use ESC`s from 
cars-With reverse :-)
The problem are that the Boat esc`s that i have, dont have propotional 
reverse funktion-They just give full trottel when i will go reverse-I can 
chance that down to 25% full trottel-But that are not sutabel for a tank.
That malfunktion, cost me my first damage to my tank :-(  In a motor 
test, outside, the tank sudently go full reverse in to the wall!  But 
damage where small: the front aksel bent a littel (about 3 mm) I can fix 
that-No damage to the hull :-) and then the rear spocket, that are sitting 
on the rear main aksel, got loose. The spocket are secured to the aksel 
with 3 ps. of 5mm bolts, all countersunk about 2 mm into the aksel-They all 
got 2mm shorter!!  I think there are alot of power in my motors.
Den tirsdag den 23. april 2013 07.03.38 UTC+2 skrev Niels Erik Kristensen:

 The motor mounts are not redy yet, they will have a top on too-With a 60mm 
 fan, for cooling.
 The top are 6mm plywood, and i use epoxy to glue it on with.
 Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are doing an 
 excellent build.  Just keep an eye on those motor mounts.  They look a 
 little weak.  If they start to flex at all, you will want to make them 
 stronger.  Any flex will eventually lead to breaking.  Had it happen to me 
 in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen ne...@live.dkwrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor running-I 
 only got 1 ESC for the moment, the other one are delayed in Chinise mail :-(
 The ESC are not set right, at the moment, first i have to download the 
 manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone expects 
 from Neil section.   It will include all the criticisms we have of Neil 
 (constructive of course).  If necessary, we can expand that section onto 
 another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What Neil 
 expects I have been spending large amounts of time teaching pre teenage 
 tankers and as a consequence my manner maybe becoming somewhat 
 condescending. Id like nothing more than to introduce such a regime to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the 
 rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then consider it 
 done :-)   I especkt the motors to be in the tank, and running, in 2-4 
 weeks :-)

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


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Re: [TANKS] Re: i would like to settle this before i start building!!!

[Niels Erik Kristensen]

It will make it a easy target :-)
Den onsdag den 24. april 2013 21.53.31 UTC+2 skrev ~D:

 if i build it to 1:6 scale,it will be 2'x2'x5.5',so i think that yes,it 
 will be huge, but i dont know if that'd be unfair to the other (little)guys

 On Wednesday, April 24, 2013 8:20:20 AM UTC-4, sparrow47 wrote:

 Actually, i think a mause, assuming it were built to an appropriate scale 
 ie really big, should get a bonus to its defensive rating. Firstly because 
 it had soo much armour, and secondly because if its built to scale it will 
 be huge...


 On Wed, Apr 24, 2013 at 1:43 AM, ~D damien...@hotmail.com wrote:

 hell,if we wanted to recreate the damage factor of this gun,id need a 
 spud gun on this thing...ask and ye shall recieve!(maybe^_^)



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 5142334423

 This message contains confidential information and is intended only for 
 the individual named. If you are not the named addressee you should not 
 disseminate, distribute or copy this e-mail. 
  


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Re: [TANKS] Re: i would like to settle this before i start building!!!

[Niels Erik Kristensen]

Maus, from 3:14!http://www.youtube.com/watch?v=aYu1W687amY
Den torsdag den 25. april 2013 00.27.58 UTC+2 skrev ~D:

 lol,i'll try not to XD 

 On Wednesday, April 24, 2013 5:32:32 PM UTC-4, odyssey...@aol.com wrote:

   In a message dated 4/24/2013 3:53:35 P.M. Eastern Daylight Time, 
 damien...@hotmail.com writes:

 if i build it to 1:6 scale,it will be 2'x2'x5.5',so i think that yes,it 
 will be huge, but i dont know if that'd be unfair to the other (little)guys

  only if you ran them over (or their tank)
  
 Chris



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

The motor mounts are not redy yet, they will have a top on too-With a 60mm 
fan, for cooling.
The top are 6mm plywood, and i use epoxy to glue it on with.
Den tirsdag den 23. april 2013 04.33.58 UTC+2 skrev tan...@gmail.com:

 Please don't take this as being critical because I think you are doing an 
 excellent build.  Just keep an eye on those motor mounts.  They look a 
 little weak.  If they start to flex at all, you will want to make them 
 stronger.  Any flex will eventually lead to breaking.  Had it happen to me 
 in my M113 build.

 Derek


 On Mon, Apr 22, 2013 at 4:14 PM, Niels Erik Kristensen 
 ne...@live.dkjavascript:
  wrote:

 Update from Denmark!!  I got my transmision redy, and 1 motor running-I 
 only got 1 ESC for the moment, the other one are delayed in Chinise mail :-(
 The ESC are not set right, at the moment, first i have to download the 
 manual-I forgot it today.
 But one motor are running and are looking good so far.
 http://www.youtube.com/watch?v=3AcCV3T5HVsfeature=youtu.be
 http://www.youtube.com/watch?v=LWcgQg4f8wUfeature=youtu.be
 Den tirsdag den 9. april 2013 13.18.53 UTC+2 skrev Bill Byrnes:

 That section can be placed right next to the What everyone expects from 
 Neil section.   It will include all the criticisms we have of Neil 
 (constructive of course).  If necessary, we can expand that section onto 
 another internet server if the present capacity limit is reached.
  
 Bill Can hardly wait for my leader's instructions B

*From:* Neil Rochford funky...@ntlworld.com
   
 I might ask Frank to open a new section of the site called What Neil 
 expects I have been spending large amounts of time teaching pre teenage 
 tankers and as a consequence my manner maybe becoming somewhat 
 condescending. Id like nothing more than to introduce such a regime to 
 rctankcombat, whereas anyone lacking behind in construction, (in my 
 opinion) will become my subject for criticism. obviously in a 
 constructive manner, or some other manner of my choosing.
 Any message dated 28th January (or any other date) predicting FTF 
 progress was merely a prediction and therefor can not fall within the rules 
 stated above.

 Neil Your leader has spoken you have two weeks R



 On Monday, April 8, 2013 3:16:15 PM UTC-7, Niels Erik Kristensen wrote:

 Yes, and i have not forget what you wrote on januar 28!!
 But you dont now me-When i say that i will do somthing-Then consider it 
 done :-)   I especkt the motors to be in the tank, and running, in 2-4 
 weeks :-)

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


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Re: [TANKS] Re: New Business

[Niels Erik Kristensen]

WOW-About  36watt!!  No wonder you dont make donouts on grass :-)   My 
motors are 800 watt each!  On 14,4 volt (lipo battery)
Den fredag den 12. april 2013 22.54.27 UTC+2 skrev 
lo...@fieldofarmortanks.com:

 Mike and Derek,
 Thank you for your input. What motors would you advise in the 24V range? 
 The Panther weighs about 100lbs now, but will ultimately be around 135lbs 
 range.

 I currently have x2 12V Batteries, 18Ah each (Standby use 12.6 - 13.8V, 
 2.7A, Cycle Use 14.5-14.9V  -5.4A).
 My motors datasheet shows (for left motor, directly mounted to sprocket - 
 Right motor is spinner clockwise and performance slightly different):
   
 Data Type Value Range  No Load Current (A) 0.9-0.7  
 Speed (RPM) 116.2-95.1  Stall Load Torque (Nm) 21.3-17.5  
 Current (A) 13.0-14.7  Peak Power Power (W) 60.0-49.1  
 Torque (Nm) 11.1-9.1  Nominal  Power (W) 36.5 Nominal  (Peak Efficiency) 
 Speed 
 (RPM) 82.1 NominalCurrent (A) 3.5 NominalTorque (Nm) 4.3 Nominal 
 Again, 
 your input is very helpful!
 Cheers from Utah,
 Loic

 On Friday, April 12, 2013 1:24:25 PM UTC-6, tan...@gmail.com wrote:

 Mike is right.  24V motors are better than 12V motors since the 24V 
 motors will be more efficient and actually use less amperage.  Sounds like 
 you just need to get 24V motors with more torque.  Also if the batteries 
 are not up to the task to delivery the amps the power hungry motors are 
 asking for, that will also translate into no power.  The 24V scooter motors 
 in my KV-2 are more than powerful enough to propel the 150lb. tank.  The 
 batteries I was testing with (7AH x2, 12V in series to produce 24V@7AH) 
 could make the tank do neutral turns while fully charged, but the power 
 hungry motors will drain the puny batteries in less than 10 minutes.  I use 
 less powerful motors on my Sturmtiger.  It weighs in at about 100lbs.  With 
 proper batteries it will do neutral turns on concrete with my 190lbs 
 sitting on the tank.  I don't sit on it anymore since I bent a few of the 
 swing arms by doing that... :)


 On Fri, Apr 12, 2013 at 2:04 PM, Mike Mangus mike...@yahoo.com wrote:

 Dropping down in voltage probably not the answer for a zero turn on 
 grass.  I tried a couple different voltages (6 ans 12) and found the lesser 
 voltage simply didn't have enough omph to turn the tank.  12v was obviously 
 better.  If I could I would bump up to 24 or even 36 volts to get the power 
 required to zero turn, not to mention less amp draw over a 12v system.

 Tracks that grab will actually hurt pivot turning.  Smoother tracks seem 
 to let the tank pivot easier.

 Mike


   --
  *From:* lo...@fieldofarmortanks.com lo...@fieldofarmortanks.com
 *To:* rctank...@googlegroups.com 
 *Sent:* Friday, April 12, 2013 1:53 PM
 *Subject:* [TANKS] Re: New Business
  
 Not yet Neil. The motors are 24V and not powerful enough. no problem 
 making a 360 on asphalt or concrete. We only reach 2km/hr or 1.3 mph (12 
 km/hr scale). This tank cruised at 46 km/hr. We are looking into other 
 motors right now (12V with more amps).  Also we are concerned about the 
 accurate Panther tracks which grooves might grab on the grass on a 
 360degree turn. That would not be good for plastic tracks. Suggestions and 
 critics are welcomed! 

 On Friday, April 12, 2013 3:21:51 AM UTC-6, Neil Rochford wrote:

 Can your tank do zero turns on grass ?
 Neil R

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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Yes, and i have not forget what you wrote on januar 28!!
But you dont now me-When i say that i will do somthing-Then consider it 
done :-)   I especkt the motors to be in the tank, and running, in 2-4 
weeks :-)
Den tirsdag den 9. april 2013 00.10.09 UTC+2 skrev tan...@gmail.com:

 Neil is pretty demanding :)  Just kidding.

 Nice work.

 Derek


 On Mon, Apr 8, 2013 at 4:56 PM, Neil Rochford 
 funky...@ntlworld.comjavascript:
  wrote:

 Like it , now we want to see them motors fitted, that can take a while i 
 know , nice progress.

 Neil R
  
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[TANKS] Re: M4A3 75mm Build Project

[Niels Erik Kristensen]

Velkommen til!!  Velcome to another Dane-Where in Denmark do you live??
Den onsdag den 3. april 2013 17.44.46 UTC+2 skrev S.Schramm:

 a picture of the drawing process so far.
 My plan is to finish the model, and release it for others to use and 
 modify.
 https://lh5.googleusercontent.com/-96cSJuZGTkg/UVxN-NcYDsI/AAo/m5kw46wB6QE/s1600/Sherman+Project.JPG



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

I made a chance on the motors! The one that i wantet are still in 
backorder-So i got some replacement, they are bigger stronger, and more 
expensive-But i love them :-) And the best part, i alredy have them, so i 
can get on with the tank!!
Motors: 
http://www.hobbyking.com/hobbyking/store/__8490__Turnigy_4258_Brushless_Motor_800kv.html
Den onsdag den 3. april 2013 22.55.52 UTC+2 skrev Niels Erik Kristensen:

 Now another update from Denmark: Today a made my tracks, and testet them 
 on the tank. I also startet on the track tension on the front.
 Next are the reduktion gear inside the hull. I also took some photos of 
 the suspension, as requistet.
 And made a video of a roling tank :-)
 http://www.youtube.com/watch?v=7SyK918w-zY
 Den mandag den 1. april 2013 19.27.28 UTC+2 skrev Niels Erik Kristensen:

 I dont no if my glue (*contact adhesive /rubbercement) vill work on 
 plastic-But cyanoacrylat glue will  !!*
 Den mandag den 1. april 2013 19.07.21 UTC+2 skrev 
 lo...@fieldofarmortanks.com:

 Hi Neil,

 What about my question on rubber to plastic glue?

 To answer your questions:
 1. We purposely made the tank sink backward. But this video was made 
 with a 74lbs tank, while when all the equipment will be added, it will be 
 closer to 150lbs. At that time, it will sit more flat
 2. The suspension system is a pending patent. I'm waiting for the 
 patent number to be issued to start publicizing the way it works. It is 
 VERY SIMPLE. Please remember that we are a business. We are trying to 
 take the engineering out of building fun...

 Cheers from rainy Utah
 Loic

 On Monday, April 1, 2013 10:51:53 AM UTC-6, tan...@gmail.com wrote:

 Both tanks looking good.  

 Loric,

 I think the JP needs a slight adjustment of the front suspension so 
 that the front of the tank sits a little lower, but that's just my 
 opinion. 
  I know it would make it harder to climb things, but it would make it look 
 much more like the real thing.  I kinda have a problem with wanting my 
 tanks to look too much like the real thing instead of a tank that gets hit 
 with paintballs... :)

 Neils,

 Do you have a pic of one of the suspension mounts from the inside?  I 
 couldn't see enough detail in the video to see how you did them.  Thanks.


 On Mon, Apr 1, 2013 at 11:27 AM, lo...@fieldofarmortanks.com 
 lo...@fieldofarmortanks.com wrote:

 Niels, 
 What do you use to glue your rubber belts to your wheels? I'm 
 currently finishing a Panther/Jagdpanther project, and the rubber belts 
 seem to not stay on the wheels. See video below:
 http://youtu.be/UoU1RKHZ1z0
 Cheers from Utah,
 Loic http://www.fieldofarmortanks.com


 On Sunday, January 27, 2013 3:56:13 PM UTC-7, Niels Erik Kristensen 
 wrote:

 Hi there, sorry for my English !! Iam just startet on a T34-85 
 (thanks to nr T005 for the drawings)
 I think that iam the only one to make a big tank in Denmark, so i 
 will made a few options to my tank. First of all i will use brushless 
 motors, and 4S lipo batteries, That is what i no of, since i have been a 
 rc 
 pilot for many years. This way i can save weight, and add power-The 
 motors 
 that i will use are 2* 750watt!!  And the controllers are with forward 
 ,brake and reverse.They come from a RC boat, so i will have watercooling 
 onboard!!
 And then i will use somthing that i have a lot of fun with with my 
 planes!-I will add a complet FPV gear, with 2 cameras-One camera on the 
 turret, the comanders place. That camera can turn 360 degrees, without 
 turning the turret. The other camera are inline with the gun, and will 
 point same way als the gun-Looking where the paintball will hit.My sight 
 will be a laser pointer. My paintball marker are a Inferno field cal 
 68-And 
 old used one that i got cheap.
 The FPV gear are linked to my video goggels-So i can sit in safe 
 distance, and have my ovn battel!! The setup i have for now can let me 
 drive my tank atlest 1,5 km away, without loosing video feed ore control 
 of 
 the tank. I dont no if it aginst your rules?  But i will properly never 
 engage any of you-Iam all alone here in Denmark!
 If youre are intrestet i will post photos later of my tank, building 
 in pogress

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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

I use Rubber cement ( contact glue)
Den mandag den 1. april 2013 18.27.43 UTC+2 skrev 
lo...@fieldofarmortanks.com:

 Niels, 
 What do you use to glue your rubber belts to your wheels? I'm currently 
 finishing a Panther/Jagdpanther project, and the rubber belts seem to not 
 stay on the wheels. See video below:
 http://youtu.be/UoU1RKHZ1z0
 Cheers from Utah,
 Loic http://www.fieldofarmortanks.com

 On Sunday, January 27, 2013 3:56:13 PM UTC-7, Niels Erik Kristensen wrote:

 Hi there, sorry for my English !! Iam just startet on a T34-85 (thanks to 
 nr T005 for the drawings)
 I think that iam the only one to make a big tank in Denmark, so i will 
 made a few options to my tank. First of all i will use brushless motors, 
 and 4S lipo batteries, That is what i no of, since i have been a rc pilot 
 for many years. This way i can save weight, and add power-The motors that i 
 will use are 2* 750watt!!  And the controllers are with forward ,brake and 
 reverse.They come from a RC boat, so i will have watercooling onboard!!
 And then i will use somthing that i have a lot of fun with with my 
 planes!-I will add a complet FPV gear, with 2 cameras-One camera on the 
 turret, the comanders place. That camera can turn 360 degrees, without 
 turning the turret. The other camera are inline with the gun, and will 
 point same way als the gun-Looking where the paintball will hit.My sight 
 will be a laser pointer. My paintball marker are a Inferno field cal 68-And 
 old used one that i got cheap.
 The FPV gear are linked to my video goggels-So i can sit in safe 
 distance, and have my ovn battel!! The setup i have for now can let me 
 drive my tank atlest 1,5 km away, without loosing video feed ore control of 
 the tank. I dont no if it aginst your rules?  But i will properly never 
 engage any of you-Iam all alone here in Denmark!
 If youre are intrestet i will post photos later of my tank, building in 
 pogress



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

In the photo, the rear are lower than the front! But its been taken before 
the springs was in place, and the tank are just resting on a pile of 
plywood.
The bottom are level now, with all the springs in place.
I will take some photos of the suspension, next time i build on my T 34/85 
tank ( its not in my home, but are in a frends garage)
Den mandag den 1. april 2013 18.51.53 UTC+2 skrev tan...@gmail.com:

 Both tanks looking good.  

 Loric,

 I think the JP needs a slight adjustment of the front suspension so that 
 the front of the tank sits a little lower, but that's just my opinion.  I 
 know it would make it harder to climb things, but it would make it look 
 much more like the real thing.  I kinda have a problem with wanting my 
 tanks to look too much like the real thing instead of a tank that gets hit 
 with paintballs... :)

 Neils,

 Do you have a pic of one of the suspension mounts from the inside?  I 
 couldn't see enough detail in the video to see how you did them.  Thanks.


 On Mon, Apr 1, 2013 at 11:27 AM, lo...@fieldofarmortanks.com javascript: 
 lo...@fieldofarmortanks.com javascript: wrote:

 Niels, 
 What do you use to glue your rubber belts to your wheels? I'm currently 
 finishing a Panther/Jagdpanther project, and the rubber belts seem to not 
 stay on the wheels. See video below:
 http://youtu.be/UoU1RKHZ1z0
 Cheers from Utah,
 Loic http://www.fieldofarmortanks.com


 On Sunday, January 27, 2013 3:56:13 PM UTC-7, Niels Erik Kristensen wrote:

 Hi there, sorry for my English !! Iam just startet on a T34-85 (thanks 
 to nr T005 for the drawings)
 I think that iam the only one to make a big tank in Denmark, so i will 
 made a few options to my tank. First of all i will use brushless motors, 
 and 4S lipo batteries, That is what i no of, since i have been a rc pilot 
 for many years. This way i can save weight, and add power-The motors that i 
 will use are 2* 750watt!!  And the controllers are with forward ,brake and 
 reverse.They come from a RC boat, so i will have watercooling onboard!!
 And then i will use somthing that i have a lot of fun with with my 
 planes!-I will add a complet FPV gear, with 2 cameras-One camera on the 
 turret, the comanders place. That camera can turn 360 degrees, without 
 turning the turret. The other camera are inline with the gun, and will 
 point same way als the gun-Looking where the paintball will hit.My sight 
 will be a laser pointer. My paintball marker are a Inferno field cal 68-And 
 old used one that i got cheap.
 The FPV gear are linked to my video goggels-So i can sit in safe 
 distance, and have my ovn battel!! The setup i have for now can let me 
 drive my tank atlest 1,5 km away, without loosing video feed ore control of 
 the tank. I dont no if it aginst your rules?  But i will properly never 
 engage any of you-Iam all alone here in Denmark!
 If youre are intrestet i will post photos later of my tank, building in 
 pogress

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 To post a message, send email to rctank...@googlegroups.com javascript:
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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

I dont no if my glue (*contact adhesive /rubbercement) vill work on 
plastic-But cyanoacrylat glue will  !!*
Den mandag den 1. april 2013 19.07.21 UTC+2 skrev 
lo...@fieldofarmortanks.com:

 Hi Neil,

 What about my question on rubber to plastic glue?

 To answer your questions:
 1. We purposely made the tank sink backward. But this video was made 
 with a 74lbs tank, while when all the equipment will be added, it will be 
 closer to 150lbs. At that time, it will sit more flat
 2. The suspension system is a pending patent. I'm waiting for the patent 
 number to be issued to start publicizing the way it works. It is VERY 
 SIMPLE. Please remember that we are a business. We are trying to take the 
 engineering out of building fun...

 Cheers from rainy Utah
 Loic

 On Monday, April 1, 2013 10:51:53 AM UTC-6, tan...@gmail.com wrote:

 Both tanks looking good.  

 Loric,

 I think the JP needs a slight adjustment of the front suspension so that 
 the front of the tank sits a little lower, but that's just my opinion.  I 
 know it would make it harder to climb things, but it would make it look 
 much more like the real thing.  I kinda have a problem with wanting my 
 tanks to look too much like the real thing instead of a tank that gets hit 
 with paintballs... :)

 Neils,

 Do you have a pic of one of the suspension mounts from the inside?  I 
 couldn't see enough detail in the video to see how you did them.  Thanks.


 On Mon, Apr 1, 2013 at 11:27 AM, lo...@fieldofarmortanks.com 
 lo...@fieldofarmortanks.com wrote:

 Niels, 
 What do you use to glue your rubber belts to your wheels? I'm 
 currently finishing a Panther/Jagdpanther project, and the rubber belts 
 seem to not stay on the wheels. See video below:
 http://youtu.be/UoU1RKHZ1z0
 Cheers from Utah,
 Loic http://www.fieldofarmortanks.com


 On Sunday, January 27, 2013 3:56:13 PM UTC-7, Niels Erik Kristensen 
 wrote:

 Hi there, sorry for my English !! Iam just startet on a T34-85 (thanks 
 to nr T005 for the drawings)
 I think that iam the only one to make a big tank in Denmark, so i will 
 made a few options to my tank. First of all i will use brushless motors, 
 and 4S lipo batteries, That is what i no of, since i have been a rc pilot 
 for many years. This way i can save weight, and add power-The motors that 
 i 
 will use are 2* 750watt!!  And the controllers are with forward ,brake and 
 reverse.They come from a RC boat, so i will have watercooling onboard!!
 And then i will use somthing that i have a lot of fun with with my 
 planes!-I will add a complet FPV gear, with 2 cameras-One camera on the 
 turret, the comanders place. That camera can turn 360 degrees, without 
 turning the turret. The other camera are inline with the gun, and will 
 point same way als the gun-Looking where the paintball will hit.My sight 
 will be a laser pointer. My paintball marker are a Inferno field cal 
 68-And 
 old used one that i got cheap.
 The FPV gear are linked to my video goggels-So i can sit in safe 
 distance, and have my ovn battel!! The setup i have for now can let me 
 drive my tank atlest 1,5 km away, without loosing video feed ore control 
 of 
 the tank. I dont no if it aginst your rules?  But i will properly never 
 engage any of you-Iam all alone here in Denmark!
 If youre are intrestet i will post photos later of my tank, building in 
 pogress

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Re: [TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

They are not brushless motors  Its a brushless esc, that are hacked to 
drive brushed motors.
Den lørdag den 30. marts 2013 23.42.39 UTC+1 skrev TeamTiki:

 http://www.youtube.com/watch?v=XBLYkRLRBZQ
  
 brushless motors for robot draintrain (in 4 parts)
  
 to summerize:  the control simply isn't there... 
  
 -TeamTiki

 --- On *Sat, 3/30/13, Derek Engelhaupt tan...@gmail.com javascript:*wrote:


 From: Derek Engelhaupt tan...@gmail.com javascript:
 Subject: Re: [TANKS] Re: Why not brushless motors??
 To: rctank...@googlegroups.com javascript:
 Date: Saturday, March 30, 2013, 9:12 AM

 I also wish you well in completing your project.  I have solved some 
 problems with my ideas and created new ones with others.  Experimenting is 
 half the fun. 

 Derek

 On Sat, Mar 30, 2013 at 9:43 AM, Frank Pittelli 
 frank.pitte...@gmail.comhttp://us.mc1631.mail.yahoo.com/mc/compose?to=frank.pitte...@gmail.com
  wrote:

 Here's an interesting statement from the article you referenced:

*Under high mechanical loads, brushless motors and high-quality 
 brushed motors are comparable in efficiency.*

 Airplane propeller == low mechanical load

 Tank tracks == high mechanical load 


 On Saturday, March 30, 2013 5:37:29 AM UTC-4, Niels Erik Kristensen wrote:
  
 Iam not an expert-But i can read :-) 
 http://en.wikipedia.org/wiki/**Brushless_DC_electric_motorhttp://en.wikipedia.org/wiki/Brushless_DC_electric_motor

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Re: [TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

Aeroplane engine in a tank???   Yes, and my mext tank will be a Centurion. 
The tank that the Danish army had when i was a soldier in the late 
seventies.
http://en.wikipedia.org/wiki/Rolls-Royce_Meteor
Den søndag den 31. marts 2013 08.35.20 UTC+2 skrev Niels Erik Kristensen:

 They are not brushless motors  Its a brushless esc, that are hacked to 
 drive brushed motors.
 Den lørdag den 30. marts 2013 23.42.39 UTC+1 skrev TeamTiki:

 http://www.youtube.com/watch?v=XBLYkRLRBZQ
  
 brushless motors for robot draintrain (in 4 parts)
  
 to summerize:  the control simply isn't there... 
  
 -TeamTiki

 --- On *Sat, 3/30/13, Derek Engelhaupt tan...@gmail.com* wrote:


 From: Derek Engelhaupt tan...@gmail.com
 Subject: Re: [TANKS] Re: Why not brushless motors??
 To: rctank...@googlegroups.com
 Date: Saturday, March 30, 2013, 9:12 AM

 I also wish you well in completing your project.  I have solved some 
 problems with my ideas and created new ones with others.  Experimenting is 
 half the fun. 

 Derek

 On Sat, Mar 30, 2013 at 9:43 AM, Frank Pittelli 
 frank.pitte...@gmail.comhttp://us.mc1631.mail.yahoo.com/mc/compose?to=frank.pitte...@gmail.com
  wrote:

 Here's an interesting statement from the article you referenced:

*Under high mechanical loads, brushless motors and high-quality 
 brushed motors are comparable in efficiency.*

 Airplane propeller == low mechanical load

 Tank tracks == high mechanical load 


 On Saturday, March 30, 2013 5:37:29 AM UTC-4, Niels Erik Kristensen wrote:
  
 Iam not an expert-But i can read :-) 
 http://en.wikipedia.org/wiki/**Brushless_DC_electric_motorhttp://en.wikipedia.org/wiki/Brushless_DC_electric_motor

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Re: [TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

Iam not an expert-But i can read :-) 
http://en.wikipedia.org/wiki/Brushless_DC_electric_motor
Years ago i use a 100cc gasoline engine from a chainsaw, to fly a airplane 
of mine-Today a brushless outrunner, thats weight ½ of my gasoline 
engine-Can do a better job, for less money.
I can se a lot of religion in here, about witch motors that are usable 
for tanks. Nobody seems to have tried a brushless setup-But eweryone now 
that they are not good enough compared to a old and heawy scooter motor!!
So i rest my case, and hope to bring a video of my brushless setup-And then 
i hope i will be right :-) Othervise i stand corectet for all of you 
tankers :-)
Pardon my English-Iam from Denmark
Den lørdag den 30. marts 2013 00.06.10 UTC+1 skrev Frank Pittelli:

 Bingo. 

 Guess which of the following is much harder to start from rest: 

 1) A propeller spinning through air 
 2) A propeller spinning through water 
 3) A wheel moving a lightweight vehicle on pavement 
 4) A wheel moving a heavyweight vehicle on rough ground 
 5) A track moving a heavyweight vehicle on rough ground 

 Watts alone don't solve the start up problem.  Torque, timing (in 
 brush-less motors) and overload protection are critical. 

 On 3/29/2013 5:11 PM, TyngTech wrote: 
  These are not some airplane out in the field, a boat on the lake, or 
  a car on the track, these are big heavy models making very complex 
  maneuvers often just inches from their operators and others. 


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Re: [TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

Thanks! And a happy easter to all of you.
Den lørdag den 30. marts 2013 12.25.06 UTC+1 skrev Joe Sommer:


 On Saturday, March 30, 2013 5:37:29 AM UTC-4, Niels Erik Kristensen wrote:

 I can se a lot of religion in here, about witch motors that are usable 
 for tanks. Nobody seems to have tried a brushless setup-But eweryone now 
 that they are not good enough compared to a old and heawy scooter motor!!

  
 Religion can be very good for some things (particularly at Easter)
 but most of us have none when deciding how to build our tanks.
  
 We want you to succeed.
  
 We want the strongest, fastest, cheapest and most reliable drive 
 systems.
  
 My comments and those of other experienced tankers are not 
 provided to discourage you.  They are provided to help share
 the first 10 years of experince in a relatively new hobby.
  

 Pardon my English-Iam from Denmark

  
 Your English is better than several of our American contributors.
  
 Happy Easter,
 Joe
  


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Re: [TANKS] one for the Doctor

[Niels Erik Kristensen]

At least one still exist:
http://www.google.dk/imgres?imgurl=http://img168.imageshack.us/img168/8637/tordp4.jpgimgrefurl=http://www.juniorgeneral.org/forums/viewtopic.php?t%3D3363%26sid%3D9fb9a162aa5c14c05b7dd4c268ef9305h=600w=800sz=95tbnid=ppdsFatv-W2ZgM:tbnh=90tbnw=120zoom=1usg=__lojD4lFVhJNIr9vs-SRF9TP9Dgk=docid=x0gA66TqSScrbMhl=dasa=Xei=-wBXUaSOJ4TctAbMxIA4ved=0CEMQ9QEwBAdur=281
Den lørdag den 30. marts 2013 15.59.19 UTC+1 skrev 508 ABN:

  that's the Tortuga

 David Cansler
 11Bravo Promotional Imprinting
 (A service connected disabled veteran owned business)
 ASI 100103   DC 384309
 Riverview, FL
 813-390-8367 Voice
 813-319-3500 Fax

 On 3/30/2013 7:22 AM, odyssey...@aol.com javascript: wrote:
  
   
 or Click here: 
 http://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpghttp://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpg
  
  
 Chris
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Re: [TANKS] one for the Doctor

[Niels Erik Kristensen]

This one need a lot of paintball markers, if someone made it LOL:
http://www.google.dk/imgres?imgurl=http://img168.imageshack.us/img168/8637/tordp4.jpgimgrefurl=http://www.juniorgeneral.org/forums/viewtopic.php?t%3D3363%26sid%3D9fb9a162aa5c14c05b7dd4c268ef9305h=600w=800sz=95tbnid=ppdsFatv-W2ZgM:tbnh=90tbnw=120zoom=1usg=__lojD4lFVhJNIr9vs-SRF9TP9Dgk=docid=x0gA66TqSScrbMhl=dasa=Xei=-wBXUaSOJ4TctAbMxIA4ved=0CEMQ9QEwBAdur=281
Den lørdag den 30. marts 2013 16.14.24 UTC+1 skrev Niels Erik Kristensen:

 At least one still exist:

 http://www.google.dk/imgres?imgurl=http://img168.imageshack.us/img168/8637/tordp4.jpgimgrefurl=http://www.juniorgeneral.org/forums/viewtopic.php?t%3D3363%26sid%3D9fb9a162aa5c14c05b7dd4c268ef9305h=600w=800sz=95tbnid=ppdsFatv-W2ZgM:tbnh=90tbnw=120zoom=1usg=__lojD4lFVhJNIr9vs-SRF9TP9Dgk=docid=x0gA66TqSScrbMhl=dasa=Xei=-wBXUaSOJ4TctAbMxIA4ved=0CEMQ9QEwBAdur=281
 Den lørdag den 30. marts 2013 15.59.19 UTC+1 skrev 508 ABN:

  that's the Tortuga

 David Cansler
 11Bravo Promotional Imprinting
 (A service connected disabled veteran owned business)
 ASI 100103   DC 384309
 Riverview, FL
 813-390-8367 Voice
 813-319-3500 Fax

 On 3/30/2013 7:22 AM, odyssey...@aol.com wrote:
  
   
 or Click here: 
 http://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpghttp://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpg
  
  
 Chris
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Re: [TANKS] one for the Doctor

[Niels Erik Kristensen]

Den lørdag den 30. marts 2013 16.16.31 UTC+1 skrev Niels Erik Kristensen:

 This one need a lot of paintball markers, if someone made it LOL:

 http://www.google.dk/imgres?imgurl=http://img168.imageshack.us/img168/8637/tordp4.jpgimgrefurl=http://www.juniorgeneral.org/forums/viewtopic.php?t%3D3363%26sid%3D9fb9a162aa5c14c05b7dd4c268ef9305h=600w=800sz=95tbnid=ppdsFatv-W2ZgM:tbnh=90tbnw=120zoom=1usg=__lojD4lFVhJNIr9vs-SRF9TP9Dgk=docid=x0gA66TqSScrbMhl=dasa=Xei=-wBXUaSOJ4TctAbMxIA4ved=0CEMQ9QEwBAdur=281
 Den lørdag den 30. marts 2013 16.14.24 UTC+1 skrev Niels Erik Kristensen:

 At least one still exist:

 http://www.google.dk/imgres?imgurl=http://img168.imageshack.us/img168/8637/tordp4.jpgimgrefurl=http://www.juniorgeneral.org/forums/viewtopic.php?t%3D3363%26sid%3D9fb9a162aa5c14c05b7dd4c268ef9305h=600w=800sz=95tbnid=ppdsFatv-W2ZgM:tbnh=90tbnw=120zoom=1usg=__lojD4lFVhJNIr9vs-SRF9TP9Dgk=docid=x0gA66TqSScrbMhl=dasa=Xei=-wBXUaSOJ4TctAbMxIA4ved=0CEMQ9QEwBAdur=281
 Den lørdag den 30. marts 2013 15.59.19 UTC+1 skrev 508 ABN:

  that's the Tortuga

 David Cansler
 11Bravo Promotional Imprinting
 (A service connected disabled veteran owned business)
 ASI 100103   DC 384309
 Riverview, FL
 813-390-8367 Voice
 813-319-3500 Fax

 On 3/30/2013 7:22 AM, odyssey...@aol.com wrote:
  
   
 or Click here: 
 http://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpghttp://img232.imageshack.us/img232/9250/mysterywagonarmoredcarshk1.jpg
  
  
 Chris
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[TANKS] Why not brushless motors??

[Niels Erik Kristensen]

Why du everyone use big heavy and week brushed motors? Most of you use 
motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd 
ore more.
Furtermore its dificult to buy regulators to them, so many tankers 
control there tanks with a system of relays?
 
 
In my plans i will use cheap, light and powerfull brushless motors, and 
real regulators with propotional control in both forward and rewerse-With 
brake:-)
 
The motor i will use weight about 200 grams, and give about 800 watt on 4S 
lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat 
regulator-Watercooled and with a max boost to 60 Amp. The regulator give me 
full control both forward and reverse, with brake.
 
My motor cost under 13 usd!! The regulator cost about 18 usd
 
 

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[TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

Link to regulator:
http://www.hobbyking.com/hobbyking/store/__24568__HobbyKing_50A_Boat_ESC_3A_UBEC.html
 
Link to motor:
http://www.hobbyking.com/hobbyking/store/__15201__HobbyKing_Donkey_ST4010_820kv_Brushless_Motor.html
Den fredag den 29. marts 2013 10.40.41 UTC+1 skrev Niels Erik Kristensen:

 Why du everyone use big heavy and week brushed motors? Most of you use 
 motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd 
 ore more.
 Furtermore its dificult to buy regulators to them, so many tankers 
 control there tanks with a system of relays?
  
  
 In my plans i will use cheap, light and powerfull brushless motors, and 
 real regulators with propotional control in both forward and rewerse-With 
 brake:-)
  
 The motor i will use weight about 200 grams, and give about 800 watt on 4S 
 lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat 
 regulator-Watercooled and with a max boost to 60 Amp. The regulator give me 
 full control both forward and reverse, with brake.
  
 My motor cost under 13 usd!! The regulator cost about 18 usd
  
  


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[TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

And i have made the reduktion, but it will be 1-19 reduktion!! And the 
water cooling have been orderd
Den fredag den 29. marts 2013 12.09.05 UTC+1 skrev Joe Sommer:

  
 On Friday, March 29, 2013 6:02:09 AM UTC-4, Niels Erik Kristensen wrote:

 Link to regulator:

 http://www.hobbyking.com/hobbyking/store/__24568__HobbyKing_50A_Boat_ESC_3A_UBEC.html
  
 Link to motor:

 http://www.hobbyking.com/hobbyking/store/__15201__HobbyKing_Donkey_ST4010_820kv_Brushless_Motor.html
 Den fredag den 29. marts 2013 10.40.41 UTC+1 skrev Niels Erik Kristensen:

 Why du everyone use big heavy and week brushed motors? Most of you use 
 motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd 
 ore more.

  
 Motors that most tanker use have speed reducers to provide about 
 400 rpm directly to the tank driveshaft.
  

 Furtermore its dificult to buy regulators to them, so many tankers 
 control there tanks with a system of relays?

  
 Very few tanks still use relays.  Almost all use off-the-shelf
 dual channel speed controllers with right-left mixing.
 I recommend the Sabretooth 2x60
 http://www.dimensionengineering.com/products/sabertooth2x60
  

 The motor i will use weight about 200 grams, and give about 800 watt on 
 4S lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat 
 regulator-Watercooled and with a max boost to 60 Amp. The regulator give me 
 full control both forward and reverse, with brake.

  
 My motor cost under 13 usd!! The regulator cost about 18 usd 

  
 We hope that you can sucessfully complete your tank with
 this motor/controller solution. 
  
 You will need to build two systems that no other tankers have wanted to 
 try.
 a) 30 to 1 speed reducer (14.8V * 820 rpm/V = 12136 rpm)
 b)  water cooling with a radiator
  
 Respectfully,
 Joe Sommer
  
  


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[TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

In my link you can see thatt he motors cost about 18 usd, and the 50 Amp 
controller cost about 18 usd-That is almost 10 times cheaper than a scooter 
motor and a regulator?
As i write in the beginning, i will ad water cooling, and use aircooling to 
my motors-And a outrunner engine can run both ways with no problem, I have 
also been flying rc for about 25 years-And only with brushless motors the 
last 5 years-And i use the motors both as pusher and tractor, and in 2 
motors planes with counter rotating props.
I have made a reduktion gears with chain and spocket, for a price of about 
100 usd, for both motors-And remember my motors weight only 200 grams, but 
they are good for about 700-800 watt-Thats twice the power of a scooter 
motor
Den fredag den 29. marts 2013 18.51.02 UTC+1 skrev Jacob:

 Brushless motors are more expensive, and their corresponding controllers 
 are way more expensive than brushed motors. Yes, you will get better speed, 
 control, and space management, but it all comes at a price. The problem 
 with the motors that you posted is that they are designed for RC airplanes, 
 and NOT for ground vehicles. They are intended to spin in only one 
 direction, at very high speed spinning a propeller. You could have a higher 
 possibility of them burning out when you put them into a sudden reverse 
 polarity. These ones probably wont have the TORQ needed as the windings are 
 designed to have a higher amount of airflow over them in an aircraft to 
 keep them cool. My words is DO NOT use motors that are designed for the 
 model aircraft industry. (I have been flying RC aircraft for over 30 years, 
 and I have seen the bad of them running without good airflow.)

 On Friday, March 29, 2013 3:40:41 AM UTC-6, Niels Erik Kristensen wrote:

 Why du everyone use big heavy and week brushed motors? Most of you use 
 motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd 
 ore more.
 Furtermore its dificult to buy regulators to them, so many tankers 
 control there tanks with a system of relays?
  
  
 In my plans i will use cheap, light and powerfull brushless motors, and 
 real regulators with propotional control in both forward and rewerse-With 
 brake:-)
  
 The motor i will use weight about 200 grams, and give about 800 watt on 
 4S lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat 
 regulator-Watercooled and with a max boost to 60 Amp. The regulator give me 
 full control both forward and reverse, with brake.
  
 My motor cost under 13 usd!! The regulator cost about 18 usd
  
  



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[TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

When my tank are drivaable, wee will se if youre right.
I no about the 680 watt -But i have 2 planes with that motor, and in both 
planes i pull way more than 800 watt, exatly they pull 960 watt-And they 
dont get overheatet.  A freind of mine made a elecktrick bicykle, with that 
motor, and running almost 20 kmh with no problem-And he weight a bit more 
than my tank-And i have 2 of these motors :-)
Den fredag den 29. marts 2013 19.34.49 UTC+1 skrev Garnet:

 The motors you are looking at are great for  airplanes but for heavy tanks 
 they dont have the torque.  They have  reasonable hp but they dont have the 
 power.  They only have 680 watts.. not 800.  I have many brushless motors 
 in my rc cars.. up to 3 hp for a 25 lb buggy that used to have a 30cc gas 
 motor.  It works great for that .. but it does not have the torque to move 
 heavy objects.  The big brushed motors have big magnets and wiring  so they 
 can move a wheel chair or scooter weighing 200lbs or more.  You say that 
 the regulators.. ESC... are  difficult to find, they are easy to find and 
 are very cheap.  I think that the motors you are talking about will not 
 work in anything that is 1/6 scale.  
 I have many electric motors of all sizes and types..  for tanks you need a 
 tank size motor.  
 My 2 cents worth..  
 Garnet

 On Friday, 29 March 2013 03:40:41 UTC-6, Niels Erik Kristensen wrote:

 Why du everyone use big heavy and week brushed motors? Most of you use 
 motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd 
 ore more.
 Furtermore its dificult to buy regulators to them, so many tankers 
 control there tanks with a system of relays?
  
  
 In my plans i will use cheap, light and powerfull brushless motors, and 
 real regulators with propotional control in both forward and rewerse-With 
 brake:-)
  
 The motor i will use weight about 200 grams, and give about 800 watt on 
 4S lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat 
 regulator-Watercooled and with a max boost to 60 Amp. The regulator give me 
 full control both forward and reverse, with brake.
  
 My motor cost under 13 usd!! The regulator cost about 18 usd
  
  



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Re: [TANKS] Re: Why not brushless motors??

[Niels Erik Kristensen]

Maby- but 700-800 watt are 1 hp, and a brushed motor only have ½ of 
that-And i will ad a 19 to 1 gear, so i think i will have a lot of torque.
But agin, its my first tank, and in a few weeks ( i hope) i now a lot more 
about how my brushless motors perform in a tank :-)
 
 
PS the chain saw maby have 10 hp, the v8 has 400 hp-So that are not 
somthing to compare
Den fredag den 29. marts 2013 21.46.23 UTC+1 skrev odyssey...@aol.com:

   In a message dated 3/29/2013 2:42:56 P.M. Eastern Daylight Time, 
 ne...@live.dk javascript: writes:

 remember my motors weight only 200 grams, but they are good for about 
 700-800 watt-Thats twice the power of a scooter motor

 they might consume the watts, but won't produce the needed torque
  
 think of a chainsaw engine and a V-8. the chainsaw motor is nice, light 
 and fast BUT it doesn't have the power that the V-8 can produce
  
 Chris


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[TANKS] Re: Plastic conveyor belt

[Niels Erik Kristensen]

You can get plastic belt here:
http://www.scanbelt.com/gb/products/s.50.aspx
Den lørdag den 23. februar 2013 01.41.09 UTC+1 skrev Jacob:

 I was looking at the Anvilus Machine works Rhino MKII that is on the site, 
 but I am can not seem to find this plastic conveyor belt and sprockets. 
 Anyone know where I can get some? Also the website that Joe Sommer lists 
 to  help modify the sprockets seems to be no longer on the web. Anyone have 
 any information on how to modify them?  Thanks.. Jacob

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[TANKS] Re: Plastic conveyor belt

[Niels Erik Kristensen]

And this may have the right style.   
http://www.scanbelt.com/gb/products/s.25.aspx  Iam looking at this, witch i 
think look 
scale:http://www.scanbelt.com/gb/products/product.aspx?ProductID=PROD179   
Clik on the PDF file and se for your self :-)

Den lørdag den 2. marts 2013 15.19.29 UTC+1 skrev Niels Erik Kristensen:

 You can get plastic belt here:
 http://www.scanbelt.com/gb/products/s.50.aspx
 Den lørdag den 23. februar 2013 01.41.09 UTC+1 skrev Jacob:

 I was looking at the Anvilus Machine works Rhino MKII that is on the 
 site, but I am can not seem to find this plastic conveyor belt and 
 sprockets. Anyone know where I can get some? Also the website that Joe 
 Sommer lists to  help modify the sprockets seems to be no longer on the 
 web. Anyone have any information on how to modify them?  Thanks.. Jacob



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[TANKS] Re: T/34/85 in Nebraska :) Hello Everyone

[Niels Erik Kristensen]

I also use FPV (first persom view) on my airplanes, so iam sure it will 
work for me!! Lookinf forward to se photos of your T 34/85.
Den tirsdag den 26. februar 2013 05.04.09 UTC+1 skrev buck...@gmail.com:

 I haven't been on in forever, but I've been working a little on my 
 T/34/85. I see a guy in Denmark is doing one also; it looks great.

 I am drawing closer to having a rolling chassis, slowly but surely. The 
 last couple days have seen a burst of activity. Between a computer build, 
 my school's first robot (courtesy of Vex), and chores, I haven't gotten a 
 lot done. But I'm close to finished with the tracks. I WILL finish this. 
 Pictures will come with a designation on the website, I guess. Regardless 
 of many issues (mistakes, problems, errors, failures, whatever), my tank 
 has still managed to look cool! I hope that when I'm finished, though, I 
 can do a good cosmetics job. This tank has already been a great learning 
 experience, and if I build another it's sure to be a vast improvement 
 because of the experience I've gained.

 I also noticed people talking about a gyro stabilizer. I like that idea, 
 but I have no finished tank and no knowledge of the technology except that 
 it exists. I believe it was introduced in the Second World War, so surely 
 someone can do it in a big model now.

 Has anyone integrated Arduino with their tank? I've never used it before, 
 only PICAXE products. From what I hear, it would be a solid platform to 
 help control a tank.

 Also--what about remote control systems? I have to admit I've never tried 
 to put together one before, and I would love some input on what you guys 
 think works best. By the way, Niels (Is that right?) from Denmark: amazing 
 control system! I hope it works out for you!

 So, is the cost of feeding video to a controller prohibitive? I wouldn't 
 have any idea how to do it, either, but there's always the Internet--in 
 fact, my sole source of electronics information

 Happy battling!


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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

I will for start glue 3mm rubber on the wheels, and bend the guides a 
littel invards, so i hope to minimise the eating. If that not enoug, i 
will add metal to the inside, of the wheels.
I glued all the big and smaal wood parts together, and i had them all on a 
8mm *threaded rod* while the glue was drying-All 10 wheels on one threaded 
rod, and a nut in each end.
Den mandag den 25. februar 2013 11.43.49 UTC+1 skrev Neil Rochford:

 I have a question , what is holding the discs together whilst you router 
 them into circular wheels  ? And did you make a jig to hold all the parts 
 of the wheel in line as they are assembled ? when ever I have attempted 
 what I can see you are doing, me wheels have wobble built into them. I 
 have had to do conriderable sanding afterwards to correct my mistake.

 I think you might want to introduce some steel to your wheels since you 
 have wooden wheels and metal track guides. the guides will eat the wheels 
 within a short amount of time, of at least mine did when I built T051
 I made this out of an old bathroom cabinet  -

 http://rctankcombat.com/tanks/T051/019-large.jpg

 http://rctankcombat.com/tanks/T051/020-large.jpg

 Neil R




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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Thats not posibile for me-Alle the wheels are redy to paint-And i dont want 
to notch 20 roadwheels.
Den mandag den 25. februar 2013 19.23.58 UTC+1 skrev odyssey...@aol.com:

  instead of adding metal to the sides of the wheels to help prevent ware, 
 what about if you notched the wheels so they are a bit thinner and add a 
 layer of rubber?
  
  
  
 Chris


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[TANKS] Re: Gun Stabilization

[Niels Erik Kristensen]

Verry nice, and realistic.
Den søndag den 24. februar 2013 04.12.46 UTC+1 skrev tan...@gmail.com:

 You guys were just talking about this.  Found some guy that did it:  
 http://www.youtube.com/watch?v=y-fPA88sCpwfeature=em-subs_digest

 Derek


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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

There are alot of sawdust-belive me. and a smell of burning wood ( old 
cutter )  And my ears are humming from the noise-But who cares, iam making 
a big tank :-)
Den søndag den 24. februar 2013 23.45.25 UTC+1 skrev TyngTech:

 Niels

 You forgot to show all the sawdust from the wheel cutting!

 The T-34 is coming along very nicely.

 Steve Tyng



 On Sunday, February 24, 2013 4:55:25 PM UTC-5, Niels Erik Kristensen wrote:

 10 road wheels are comming up :-) 
 Den tirsdag den 19. februar 2013 23.12.46 UTC+1 skrev Niels Erik 
 Kristensen:

 You got mail!!!
  
 Today i startet to make my suspensions arms stronger :-) I come up with 
 a somthing i think will hold-Photos later.
 Den mandag den 18. februar 2013 20.08.42 UTC+1 skrev S.Schramm:


 Den mandag den 18. februar 2013 17.15.09 UTC+1 skrev Niels Erik 
 Kristensen:

 Det lyder fantastisk-Hvor er du fra??
 I just write a greting to a fellow Dane
 Den mandag den 18. februar 2013 13.08.48 UTC+1 skrev S.Schramm:


 Hej Niels Erik. Jeg bor nær Horsens, Jylland. Som sagt er jeg ikke 
 kommet igang endnu, har været igang med at renovere gammelt hus de 
 sidste 
 par år, men planerne er der :D
 Jeg regner med at kunne komme lidt igang med selve kampvognen i 
 forsommeren, skal lige være færdig med et kælderprojekt først.. Jeg 
 vælger 
 nok en Hetzer som første build..
 Jeg har en kammerat som også er med på ideen, han snakker om en 
 Panther.. Men som sagt, jeg får lige lavet husprojekt færdig, så vender 
 jeg 
 tilbage til 1/6 skala tank.

Selve ideen om tank battle med paintballs, lyder som en god 
 måde at bruge en weekend dag på :D
Du får lige min mail: ssr7...@gmail.com Hvor er du fra i DK 
 ?

   mvh Søren.
  
  Sorry about the Danish greeting guys.
  I Plan on announcing a build of a Hetzer sometime soon, I've been 
 following this site for some time, and love the idea of RC tank battle..
  



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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

You got mail!!!
 
Today i startet to make my suspensions arms stronger :-) I come up with a 
somthing i think will hold-Photos later.
Den mandag den 18. februar 2013 20.08.42 UTC+1 skrev S.Schramm:


 Den mandag den 18. februar 2013 17.15.09 UTC+1 skrev Niels Erik Kristensen:

 Det lyder fantastisk-Hvor er du fra??
 I just write a greting to a fellow Dane
 Den mandag den 18. februar 2013 13.08.48 UTC+1 skrev S.Schramm:


 Hej Niels Erik. Jeg bor nær Horsens, Jylland. Som sagt er jeg ikke 
 kommet igang endnu, har været igang med at renovere gammelt hus de sidste 
 par år, men planerne er der :D
 Jeg regner med at kunne komme lidt igang med selve kampvognen i 
 forsommeren, skal lige være færdig med et kælderprojekt først.. Jeg vælger 
 nok en Hetzer som første build..
 Jeg har en kammerat som også er med på ideen, han snakker om en 
 Panther.. Men som sagt, jeg får lige lavet husprojekt færdig, så vender jeg 
 tilbage til 1/6 skala tank.

Selve ideen om tank battle med paintballs, lyder som en god måde 
 at bruge en weekend dag på :D
Du får lige min mail: ssr7...@gmail.com javascript: Hvor er 
 du fra i DK ?

   mvh Søren.
  
  Sorry about the Danish greeting guys.
  I Plan on announcing a build of a Hetzer sometime soon, I've been 
 following this site for some time, and love the idea of RC tank battle..
  


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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Det lyder fantastisk-Hvor er du fra??
I just write a greting to a fellow Dane
Den mandag den 18. februar 2013 13.08.48 UTC+1 skrev S.Schramm:


 Hi Niels Erik.
  
 First off, your T34 project looks awsome, nice work.
 I've been following the R/C tank combat site for a few years now, wanting 
 to get started on a build my self.
 I'll be posting my plans for my build soon. I need to deside wether to 
 build a Hetzer, M4A3E8 or a M18 Hellcat.
 Just wanted to let you know, there might be more danes starting to build 
 Large scale tanks.
  
 Søren Schramm.


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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

I think your right, so i will remake the arms in the week to come-Tomorrow 
night i will start making the wheels-They will be all plywood, with ball 
bearings.
Den søndag den 17. februar 2013 19.35.10 UTC+1 skrev Neil Rochford:

 Impressive work, 
 I have been following your build with much interest. 
 I agree with Sam and strongly suspect that your 2mm swing arms will bend 
 at some point due to all the power your tank will have. swing arms need to 
 cope with considerable forces and I would use 6x20mm mild steel as a 
 minimum. the weakest point will be at the pivot.
 keep up this very good effort.

 Neil R
  



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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Thanks :-)
Den onsdag den 13. februar 2013 15.37.17 UTC+1 skrev TyngTech:

 Nice work on that turret!

 Steve




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[TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Its my first tank, and i also dont no if they are stromg enough-But they 
are made of steel, and if they dont hold, i will weld some more steel to 
them :-)
Den tirsdag den 12. februar 2013 17.59.32 UTC+1 skrev Jacob:

 Ya I dont think those suspension arms are strong enough. But I could be 
 wrong.

 On Tuesday, February 12, 2013 5:56:28 AM UTC-7, Sam D'Haene wrote:

 Looks great so far! I've always been a big fan of the T-34  :)
 Nice suspension setup! but I've a small consideration:
 Do you think the suspension arms will hold the torsion by the offset of 
 the wheels? I think it's going to bend easily.
 I had some issues with it in the past :)

 Cheers,

 Sam.


 On Monday, February 11, 2013 11:00:17 PM UTC+1, Niels Erik Kristensen 
 wrote:

 More photos:
 Now i have made a suspension, and the turret are almost finsh, made of 
 glasfiber and with grey primer
 Den tirsdag den 5. februar 2013 07.14.49 UTC+1 skrev Niels Erik 
 Kristensen:

 More photos: Redy to make turret fith glasfiber-Also found a driver :-)
 Den tirsdag den 29. januar 2013 01.21.48 UTC+1 skrev Fred Thomson:



 Looking good, Niels! 

  Welcome to the hobby. Don't be afraid to ask questions, there is 
 decades of experience you can draw on. 

 Cheers, 
 Fred 



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Re: [TANKS] Re: T34-85 from Denmark

[Niels Erik Kristensen]

Yes they are only 2mm thick-And it is leftover from my tracks-They ar made 
of a ½*5/16 chain, with taps on both sides-And ca 180 pices of 9cm long 
2*20mm steel.
But if the strenght become a problem, i can weld more steel to the arms, 
pretty easy. Iam thinking somthing like a pice of 6mm piano wire to the 
outside of each arm
Den onsdag den 13. februar 2013 00.26.18 UTC+1 skrev odyssey...@aol.com:

  The steel arms are 8 cm long from mounting to the wheel, and they are 
 2mm*20mm
  
 i want to make sure i just read that correctly, your arms are only 2mm 
 thick?
  
 i don't have anything on hand for converting metric to standard weights 
 (to figure the weight supported per arm), but even so, 2mm thick arms seem 
 very thin.
  
 did you choose that thickness hoping to keep down on some of the tank's 
 overall weight? what about 1/4 or 6+mm (or 10mm) aluminum flat bar if it's 
 weight your concerned about
  
 Chris


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