Electric Vehicle Discussion List
Mon, 30 Jul 2007 10:09:21 -0700
EV Digest 7084
Topics covered in this issue include:
1) Bench testing the GE EV-1 Controller
by Steve Powers <[EMAIL PROTECTED]>
2) Re: photos of OJ and AGNS
by Jim Husted <[EMAIL PROTECTED]>
3) Re: photos of OJ and AGNS
by "Evan Tuer" <[EMAIL PROTECTED]>
4) Re: photos of OJ and AGNS
by Chip Gribben <[EMAIL PROTECTED]>
5) RE: Bench testing the GE EV-1 Controller
by "damon henry" <[EMAIL PROTECTED]>
6) EV Drag Video on Associate Press website
by Bill Dube <[EMAIL PROTECTED]>
7) Re: photos of OJ and AGNS
by [EMAIL PROTECTED]
8) Re: Neutral Timing is Better for Commuters
by "Lawrence Rhodes" <[EMAIL PROTECTED]>
9) Re: Modifying a zilla speed sensor
by Mark Dutko <[EMAIL PROTECTED]>
10) Remote State of Charge Display?
by Todd Martin <[EMAIL PROTECTED]>
11) Re: CNN Money: Have you driven a Fjord lately?
by "David Roden (Akron OH USA)" <[EMAIL PROTECTED]>
12) few clarifications about LI ion technolgy
by "gulabrao ingle" <[EMAIL PROTECTED]>
13) Re: ETA on Electro Auto adapters
by Electro Automotive <[EMAIL PROTECTED]>
14) Another NHRA anomaly
by [EMAIL PROTECTED]
15) RE: what does Ah or ampere hour signify
by "Mick Abraham" <[EMAIL PROTECTED]>
16) FW: solid state relays
by "Roger Daisley" <[EMAIL PROTECTED]>
17) Re: Ni-MH cells and Chevron (Re: EV digest 7078)
by David Dymaxion <[EMAIL PROTECTED]>
18) Re: NEDRA board help on 3 wheeled vehicles
by keith vansickle <[EMAIL PROTECTED]>
19) RE: Shipping some EV Parts into Canada
by "Roger Stockton" <[EMAIL PROTECTED]>
20) Re: Another NHRA anomaly
by [EMAIL PROTECTED]
--- Begin Message ---As I wrote last week, I am selling off my old parts that are just laying around in the garage. Before I sell any of them, I need to be sure they still work. In the past, I tested these EV-1's outside the car, but I had trouble. Without a series wound motor connected to it, it is difficult. Also, you can't free spin a series wound motor, even if I had a spare lying around. So, just connecting it to any old series motor (unloaded) is a recipe for disaster. What I did is just put a load between A1 and A2. Then, I jumpered from T2 to A1. But, I think the device is trying to read a voltage across T2 and A1 to calculate how much current is flowing. With the jumper, it is reading 0 volts = 0 current. It runs up to about 20% duty cycle and then faults. Actually, it starts pulsing the load at maybe 2 Hz. I believe that is some type of fault condition. I am testing with 36 V (3 x 12 V batteies). The load I am using is a perm mag motor. This is the exact same thing that happened last time I tried to test outside the car. In the car it worked fine then. I just want a way to test it outside the car without having to uninstall / reinstall each of them. I'd appreciate any help. Thoughts on how to properly bench test one of these. Thanks, Steve ____________________________________________________________________________________ Be a better Heartthrob. Get better relationship answers from someone who knows. Yahoo! Answers - Check it out. http://answers.yahoo.com/dir/?link=list&sid=396545433
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--- Begin Message ---Hey Shawn Why not post them to the EV photo album? BTW Love hearing about your awesome increases 8^) If nothing else I'd be more than happy to post some for you at my site, just let me know. Cya Jim Husted Hi-Torque Electric ____________________________________________________________________________________ Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more. http://mobile.yahoo.com/go?refer=1GNXIC
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--- Begin Message ---If people need to post pictures quickly and don't have any web space handy, there is a service called tinypic ( http://www.tinypic.com/ ) which allows you to upload images via your web browser (no ftp client or anything required) and then post the link here or wherever you want people to see it, for free. You many want to check the terms and conditions and so on, but I've used it before and it appears to be harmless enough. You can do the same thing with picasaweb, flickr etc but this involves a bit of setting up first. Be careful when pasting in the link that it doesn't automatically turn your message into HTML as well - double check that you've got "plain text" mode before pressing send. On 7/30/07, keith vansickle <[EMAIL PROTECTED]> wrote: > Shawn > You cannot post photos on the list that is why we get > all those truncated messages but you can insert a link > to them. please e-mail some to me or just put them up > on one of you sites and refer us to them as I am sure > many would like to see both of your racers OJ and > AGNS. I am also looking for that electric lawn mower > we talked about > kEVs > --- [EMAIL PROTECTED] wrote: > > > Keith, > > > > We are using aluminum 10" wide rims with 8" wide > > slicks stretched out. > > There are two in a tandem setup making AGNS a 3 > > wheel inline motorcycle. > > Maybe the first ever on a dragstrip, but I doubt it. > > By playing with > > the motor magnets, tire diameter, and > > series/parallel arrangements of > > the motors we can switch between voltages rather > > easily even without > > actual gearing. I checked the 60 ft times for AGNS > > from Saturday. The > > best was 1.6 secs. Almost quicker than OJ. I have a > > feeling she is > > going to better this when given the added torque of > > 6 more batteries. > > > > AGNS actually made her debut in south Florida. Her > > best run that > > night... 22 secs @ 67 MPH. > > On not really sure how to post photos, but if you > > can do it I will be > > glad to email them to you. > > > > Shawn > > > > > > > > -----Original Message----- > > From: keith vansickle <[EMAIL PROTECTED]> > > To: ev@listproc.sjsu.edu > > Sent: Sun, 29 Jul 2007 11:27 am > > Subject: Re: AGNS takes NEDRA record # 6 > > > > > > > > Thanks Shawn I appreciate the answer but I guess I > > didn't ask the right questions, I'll try again. > > what size, type of construction Mags/Steel/Aluminum > > what configuration I think you mentioned duel rear > > wheels in one of your posts? > > Tires slicks or street > > batteries size do you change it when you up the > > voltage(how are you able to use the same vehicle for > > so many v classes?) If you were closer I would come > > to see you race. I went to florida to see OJ but > > you > > didn't have AGNS then. Are you going to the NEDRA > > finals on the 17th? > > keith > > --- [EMAIL PROTECTED] wrote: > > > > > Douglas wheels > > > Burris tires > > > DEKA AGM batteries > > > > > > > > > -----Original Message----- > > > From: keith vansickle <[EMAIL PROTECTED]> > > > To: ev@listproc.sjsu.edu > > > Sent: Sun, 29 Jul 2007 10:36 am > > > Subject: Re: AGNS takes NEDRA record # 6 > > > > > > > > > > > > --- [EMAIL PROTECTED] wrote: > > > > > > Shawn, > > > Sounds great to me. > > > What kind of batteries? What kind of wheels/tires? > > > keith > > > > > > So one more time through the calculator: > > > > Calcualted wheel HP = 20 x 4.8 = 96 wheel hp > > > > Estimated ET = 10.85 secs @ 125 MPH. > > > > > > > > > > > > Now that would be pretty fast on a minibike. > > > > > > > > Shawn > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > From: Roderick Wilde <[EMAIL PROTECTED]> > > > > To: ev@listproc.sjsu.edu > > > > Sent: Sun, 29 Jul 2007 1:51 am > > > > Subject: Re: AGNS takes NEDRA record # 6 > > > > > > > > > > > > Shawn, much congratulations on your new record! > > I > > > > would just like to > > > > add one comment. In your enthusiasm you wrote: > > > "The > > > > 12.08 was backed up > > > > with two runs of 12.15 @ 103 MPH. Next stop 240 > > > > volts !!! We may just > > > > skip the 11's and head straight for the 10's. > > > > Probably not but it sure > > > > sounds good." > > > > Just so the newbees on the list know, in our > > > daily > > > > life a second may > > > > seem like a very short time but on a drag strip > > it > > > > is an eternity. The > > > > difference between 11 second ETs and 10 second > > ETs > > > > is the difference > > > > between being twenty years old and being sixty. > > > That > > > > analogy may give > > > > some of you a clue :-)\ > > > > > > > > Roderick > > > > > > > > Roderick Wilde > > > > Vintage Golf Cart Parts > > > > Specializing in Parts for Harley and many other > > > > mature carts > > > > www.vintagegolfcartparts.com > > > > E-mail: [EMAIL PROTECTED] > > > > Phone: 360-385-4868 > > > > P.O. Box 221 > > > > Port Townsend, WA 98368 > > > > > > > > ----- Original Message ----- From: > > > > <[EMAIL PROTECTED]> > > > > To: <ev@listproc.sjsu.edu> > > > > Sent: Saturday, July 28, 2007 4:38 PM > > > > Subject: AGNS takes NEDRA record # 6 > > > > > > > > > The weather was touch and go at Quaker City > > > > Raceway in Salem, OH > > > > today but > the sun finally won out as Denis > > > > Stanislaw and AGNS > > > > captured NEDRA record > # 6 in the MT-D class. > > We > > > > set up with 14 DEKA's > > > > (168 volts) and set our > sites on the 12.49 > > > record > > > > set back in 2004. > > > > We left the track with a best > run of 12.08 @ > > > > 102.91 in the semi final > > > > round of eliminations. We had > dialed a 12.07 > > and > > > > beat one of the > > > > regulars at the the track and for a > brief > > moment > > > > we thought Denis had > > > > made it all the way to the finals. > > > Unfortunately > > > > he was disqualified > > > > after the run for going past the stage > lights > > > > during his burnout. > > > > sounds good.The 12.08 was backed up with two > > > > runs > > > > of 12.15 @ 103 MPH. > > > > Next stop 240 volts !!! We may just skip the > > 11's > > > > > > > > and head straight > > > > for the 10's. Probably not but it sure > > > > > > > > > > Shawn Lawless > > > > > > > > > > > > > > > ________________________________________________________________________ > > > > > > > > > > > > > > AOL now offers free email to everyone. Find > > out > > > > more about what's > > > > free > from AOL at AOL.com. > > > > > > > > > > > > > > > > > > > > > > > > > -- > No virus found in this incoming message. > > > > > Checked by AVG Free Edition. Version: 7.5.476 > > / > > > > Virus Database: > > > > > 269.10.22/923 - Release Date: 7/27/2007 6:01 PM > > > > > > > > > > > > > > > > > > > > > > > > > > > > ________________________________________________________________________ > > > > AOL now offers free email to everyone. Find out > > > > more about what's free > > > > from AOL at AOL.com. > > > > =0 > > > > > > > === message truncated === > > > > > ____________________________________________________________________________________ > Choose the right car based on your needs. Check out Yahoo! Autos new Car > Finder tool. > http://autos.yahoo.com/carfinder/ > >
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--- Begin Message ---Hey everyone, There are some photos of AGNuS and OJ at http://www.powerofdc.com/gallery.html These were taken in June.There is a video at the top of the page (taken in the pits) and at the bottom are some close up shots of the bike and the dragster.There are also photos of the bike and the dragster on the NEDRA site, on the 100 mph Club and on the home page at various places.At some point I plan to add more pictures of Shawn's great rides in the NEDRA Photo GalleryChip NEDRA http://www.nedra.com NEDRA Power of DC http://www.powerofdc.com On Jul 30, 2007, at 11:14 AM, Electric Vehicle Discussion List wrote:From: keith vansickle <[EMAIL PROTECTED]> Date: July 30, 2007 11:12:32 AM EDT To: ev@listproc.sjsu.edu Subject: photos of OJ and AGNS Shawn You cannot post photos on the list that is why we get all those truncated messages but you can insert a link to them. please e-mail some to me or just put them up on one of you sites and refer us to them as I am sure many would like to see both of your racers OJ and AGNS. I am also looking for that electric lawn mower we talked about kEVs
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--- Begin Message --- I'm not sure about an SCR controller, but I know a good way to test newer controllers is with a light bulb. It won't pull much current, but you should see the light bulb brighten as you ramp the throttle up.damonFrom: Steve Powers <[EMAIL PROTECTED]> Reply-To: ev@listproc.sjsu.edu To: ev <ev@listproc.sjsu.edu> Subject: Bench testing the GE EV-1 Controller Date: Mon, 30 Jul 2007 08:18:10 -0700 (PDT) As I wrote last week, I am selling off my old parts that are just laying around in the garage. Before I sell any of them, I need to be sure they still work. In the past, I tested these EV-1's outside the car, but I had trouble. Without a series wound motor connected to it, it is difficult. Also, you can't free spin a series wound motor, even if I had a spare lying around. So, just connecting it to any old series motor (unloaded) is a recipe for disaster. What I did is just put a load between A1 and A2. Then, I jumpered from T2 to A1. But, I think the device is trying to read a voltage across T2 and A1 to calculate how much current is flowing. With the jumper, it is reading 0 volts = 0 current. It runs up to about 20% duty cycle and then faults. Actually, it starts pulsing the load at maybe 2 Hz. I believe that is some type of fault condition. I am testing with 36 V (3 x 12 V batteies). The load I am using is a perm mag motor. This is the exact same thing that happened last time I tried to test outside the car. In the car it worked fine then. I just want a way to test it outside the car without having to uninstall / reinstall each of them. I'd appreciate any help. Thoughts on how to properly bench test one of these. Thanks, Steve ____________________________________________________________________________________Be a better Heartthrob. Get better relationship answers from someone who knows. Yahoo! Answers - Check it out.http://answers.yahoo.com/dir/?link=list&sid=396545433_________________________________________________________________ http://im.live.com/messenger/im/home/?source=hmtextlinkjuly07
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--- Begin Message --- You can see the video here: <http://www.ap.org/>http://www.ap.org/ On the bottom left hand corner it says AP News Minute. Click on that then click on the Science and Tech tab, then you'll see the story "Amp heads light up the strip" and click on that.I really like Wayland's explaination of how the Zilla works. Bill Dube'
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--- Begin Message ---Thanks Keith,I'll send you some photos of both. The mower project has taken many unexpected turns but all for the better. I'll have something I can share with the public very soon.Shawn -----Original Message----- From: keith vansickle <[EMAIL PROTECTED]> To: ev@listproc.sjsu.edu Sent: Mon, 30 Jul 2007 11:12 am Subject: photos of OJ and AGNS Shawn You cannot post photos on the list that is why we get all those truncated messages but you can insert a link to them. please e-mail some to me or just put them up on one of you sites and refer us to them as I am sure many would like to see both of your racers OJ and AGNS. I am also looking for that electric lawn mower we talked about kEVs --- [EMAIL PROTECTED] wrote:Keith, We are using aluminum 10" wide rims with 8" wide slicks stretched out. There are two in a tandem setup making AGNS a 3 wheel inline motorcycle. Maybe the first ever on a dragstrip, but I doubt it. By playing with the motor magnets, tire diameter, and series/parallel arrangements of the motors we can switch between voltages rather easily even without actual gearing. I checked the 60 ft times for AGNS from Saturday. The best was 1.6 secs. Almost quicker than OJ. I have a feeling she is going to better this when given the added torque of 6 more batteries. AGNS actually made her debut in south Florida. Her best run that night... 22 secs @ 67 MPH. On not really sure how to post photos, but if you can do it I will be glad to email them to you. Shawn -----Original Message----- From: keith vansickle <[EMAIL PROTECTED]> To: ev@listproc.sjsu.edu Sent: Sun, 29 Jul 2007 11:27 am Subject: Re: AGNS takes NEDRA record # 6 Thanks Shawn I appreciate the answer but I guess I didn't ask the right questions, I'll try again. what size, type of construction Mags/Steel/Aluminum what configuration I think you mentioned duel rear wheels in one of your posts? Tires slicks or street batteries size do you change it when you up the voltage(how are you able to use the same vehicle for so many v classes?) If you were closer I would come to see you race. I went to florida to see OJ but you didn't have AGNS then. Are you going to the NEDRA finals on the 17th? keith --- [EMAIL PROTECTED] wrote: > Douglas wheels > Burris tires > DEKA AGM batteries > > > -----Original Message----- > From: keith vansickle <[EMAIL PROTECTED]> > To: ev@listproc.sjsu.edu > Sent: Sun, 29 Jul 2007 10:36 am > Subject: Re: AGNS takes NEDRA record # 6 > > > > --- [EMAIL PROTECTED] wrote: > > Shawn, > Sounds great to me. > What kind of batteries? What kind of wheels/tires? > keith > > So one more time through the calculator: > > Calcualted wheel HP = 20 x 4.8 = 96 wheel hp > > Estimated ET = 10.85 secs @ 125 MPH. > > > > > > Now that would be pretty fast on a minibike. > > > > Shawn > > > > > > > > > > -----Original Message----- > > From: Roderick Wilde <[EMAIL PROTECTED]> > > To: ev@listproc.sjsu.edu > > Sent: Sun, 29 Jul 2007 1:51 am > > Subject: Re: AGNS takes NEDRA record # 6 > > > > > > Shawn, much congratulations on your new record! I > > would just like to > > add one comment. In your enthusiasm you wrote: > "The > > 12.08 was backed up > > with two runs of 12.15 @ 103 MPH. Next stop 240 > > volts !!! We may just > > skip the 11's and head straight for the 10's. > > Probably not but it sure > > sounds good." > > Just so the newbees on the list know, in our > daily > > life a second may > > seem like a very short time but on a drag strip it > > is an eternity. The > > difference between 11 second ETs and 10 second ETs > > is the difference > > between being twenty years old and being sixty. > That > > analogy may give > > some of you a clue :-)\ > > > > Roderick > > > > Roderick Wilde > > Vintage Golf Cart Parts > > Specializing in Parts for Harley and many other > > mature carts > > www.vintagegolfcartparts.com > > E-mail: [EMAIL PROTECTED] > > Phone: 360-385-4868 > > P.O. Box 221 > > Port Townsend, WA 98368 > > > > ----- Original Message ----- From: > > <[EMAIL PROTECTED]> > > To: <ev@listproc.sjsu.edu> > > Sent: Saturday, July 28, 2007 4:38 PM > > Subject: AGNS takes NEDRA record # 6 > > > > > The weather was touch and go at Quaker City > > Raceway in Salem, OH > > today but > the sun finally won out as Denis > > Stanislaw and AGNS > > captured NEDRA record > # 6 in the MT-D class. We > > set up with 14 DEKA's > > (168 volts) and set our > sites on the 12.49 > record > > set back in 2004. > > We left the track with a best > run of 12.08 @ > > 102.91 in the semi final > > round of eliminations. We had > dialed a 12.07 and > > beat one of the > > regulars at the the track and for a > brief moment > > we thought Denis had > > made it all the way to the finals. > Unfortunately > > he was disqualified > > after the run for going past the stage > lights > > during his burnout. > > sounds good.The 12.08 was backed up with two > > runs > > of 12.15 @ 103 MPH. > > Next stop 240 volts !!! We may just skip the 11's > > > > and head straight > > for the 10's. Probably not but it sure > > > > > > Shawn Lawless > > > > > >________________________________________________________________________> > > > > > AOL now offers free email to everyone. Find out > > more about what's > > free > from AOL at AOL.com. > > > > > > > > > > > > > > > -- > No virus found in this incoming message. > > > Checked by AVG Free Edition. Version: 7.5.476 / > > Virus Database: > > > 269.10.22/923 - Release Date: 7/27/2007 6:01 PM > > > > > > > > > > > > >________________________________________________________________________> > AOL now offers free email to everyone. Find out > > more about what's free > > from AOL at AOL.com. > > =0 > >=== message truncated === _________________________________________________________________________ ___________Choose the right car based on your needs. Check out Yahoo! Autos new Car Findertool. http://autos.yahoo.com/carfinder/ ________________________________________________________________________AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com.=0
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--- Begin Message ---Hi Mark and all, Have you tried to tune your motor for best amp draw? It just takes an ammeter hooked to your setup while running. fix the motor at a steady voltage then play with the timing untill you draw the least amps. That should be the sweet spot. Lawrence Rhodes....... ----- Original Message ----- From: "Mark Hanson" <[EMAIL PROTECTED]> To: <ev@listproc.sjsu.edu> Sent: Monday, July 30, 2007 5:26 AM Subject: Neutral Timing is Better for Commuters > Hi, > > I stopwatch checked my acceleration starting in 2nd gear going from 2 fixed > points uphill 10% grade between my drive & the neighbors. I tried 7 degrees > mechanical advance and then set it back to neutral on my Prestolite MTC4001 > at 96V E-Porsche 16 ni-cads. I got 33 seconds at 7 degrees and 25 seconds > at neutral and it popped up my 30% grade garage better too with neutral > timing. I checked at speed holding hills and it was at 3600 rpms in 3rd > doing 60mph at 250 amps on the same section of highway. I noticed a bit > drop-off above that speed but overall it ran better with better acceleration > set to neutral. I think the low voltage and rpm's are the factor. > > The racers are operating at higher voltage and higher RPM's I believe where > the performance is noticed about 5-6k rpm's > > Best Regards, > Mark > > _________________________________________________________________ > http://newlivehotmail.com >
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--- Begin Message --- I have low clearance above the shaft so if I can cut the sensor from the bottom or out of the cup I can mount it below the supplied magnet installed on the end of the shaft. I was just not certain if the sensor is ONLY contained in the bottom of the cup where the wires are molded into it.On Jul 29, 2007, at 8:59 PM, Eric Poulsen wrote:Mark,You can use any sensor that will pull the sense line low 4 times for every revolution. No reason you couldn't simply mount the magnet, and use a hall effect chip mounted next to it.Alternatively, why not use a sleeve around the shaft? Mark Dutko wrote:Does anyone know if the zilla "cup speed sensor" on the cafe electric site can be modified. If the pickup sensor is located at the bottom of the cup where the wires go in (assuming this) I can cut the cup off and place the sensor close to the magnet. If the sensor is not there at the bottom and around the cup or something odd like that, the cup will have to remain. I have a long shaft on the motor and some clearance issues that prevent the cup from being used. Anyone know where the sensor resides and how it works specifically so I can start chopping...Thanks, Mark
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--- Begin Message ---All this talk of Viktor's new display has got me salivating over a desire I've had for some time. I'd really like a little display I can keep on my keychain that will tell me how my car's charging is coming along. If a GFCI trips, I forget to plug in, or am just eager for a full charge, a remote display would really make my life easier. I've got a 1997 Solectria Force with their Amp-Hour display, just want some way to transmit and receive the information. Any ideas? Anyone do this before? Thanks, Todd Martin FVEAA ____________________________________________________________________________________ Get the Yahoo! toolbar and be alerted to new email wherever you're surfing. http://new.toolbar.yahoo.com/toolbar/features/mail/index.php
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--- Begin Message ---On 30 Jul 2007 at 9:11, Richard Acuti wrote: > This is a great article about the impending resurrection of the Think: > > http://money.cnn.com/magazines/business2/business2_archive/2007/08/01/100138830/index.htm?cnn=yes Very interesting. I think they are doing a lot of things right. 1. They are leasing the battery, which in one leap eliminates about 95% of the consumer concerns with every previous EV offered. 2. If range drops they will either replace the battery or give you a discount. This leaves open the door for offering different batteries for people with different range needs. 3. It knows how to speak Wifi, meaning it can tell the battery leasing company when it needs help. 4. They're selling it online. 5. They're building to order. EVDLers my age or close to it will recall when Detroit built cars to order; every option was sold separately, rather than in silly packages. You didn't have to buy $500 worth of goofy fake plastic spoilers to get cruise control (At least I >hope< that's what Think are talking about.) 6. They're hooking up with Google. I'm not so sure about this mumbo-jumbo about Dean Kamen's Stirling engine as an APU, but I'll wait and see. One minor but interesting point I noticed - Think seems to have lost its bang (!). It used to be "Th!nk." Has anybody seen it? ;-)
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--- Begin Message ---Hello All , Does li ion technology really deliver its promises ? I have chosen li-ions for my conversion I took a look at the A123 , Thundersky , Valence , they have but very cleverly hidden the prices and availability information from the sites Has anyone who have used these products reported any explosions or charging woes or so on ? How are the track record of these companies ?(me being in India have no clue about them whatsoever) What kind of costs should i keep in mind to assemble a 330v+ pack ? Are there any companies I missed that sell these batteries to us ? Thanks a Lot Gulabrao
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--- Begin Message --- Lead time will depend on the work load in the queue, and whether the adaptor is "in the can" or requires new design. We currently have 36 adaptor orders at various stages. We have have four machinists working on them (three of them CNC). One is doing his first batch of hubs for us, so has been a bit slow while he gets up to speed on the design and gets it programmed. I just checked in an order of more than a dozen motor spacer rings. Bryan Pikula's motor spacer ring was in that batch, and his plate and hub should be in the next batch (one machinist specializes in rings, another hubs, and two do primarily plates and hubs).In general, if the pattern is in the can, 4-6 weeks is good, although it may get longer this time of year when there are a lot of orders coming in, and machinists take vacations. There are also the wild cards when a machinist throws his back out, or the lathe breaks down. Sometimes there is a delay if the machinist doesn't have a large enough piece of aluminum on hand, or if a pattern proves to be too big for his machine and has to be reassigned to someone else, etc.The only adaptors we attempt to stock are for the Rabbit, 914, and Bug, as these are the fast movers. Of those 36 currently in progress, half are one-offs, and one pattern is a three-off. If we get an order for an adaptor that's the same as one already in the work queue, we bump it up the line and have the machinist make two (or three) instead of one, because it's more efficient. Outside of the three fast movers mentioned above, we almost never get more than three of the same thing at the same time. Of those 36 currently in progress, 14 require some degree of CADD work before they can go to the machinist.If the adaptor requires design work, that will slow things down because we only have one CADD designer (Mike) and he has many other duties as well. We have tried without success to bring in a CADD intern. If we have the transmission pattern on file, but not mated up to the same motor, there is some delay while Mike takes the motor from one file and the transmission from another and mates them up in the CADD. This is the current situation on Damon Henry's adaptor.If it is a completely new transmission, that will take the longest, and how long depends on how many of them are in the design queue, and how many other jobs Mike has to do. We are working on a new design system that will speed this process up by getting digital at an earlier stage, but we're not there yet. If the transmission has a "floppy" mainshaft, it has to be centered and stabilized first, and this adds some time.We do not accept extra money to move someone to the front of the line, as everyone is equally anxious to get their parts, and we don't feel it would be fair to others who are waiting patiently.I am sorry we have not been able to answer inquiries as promptly as we would like. While we have an office assistant who can handle routine questions, many inquiries require more technical answers from me or Mike, and there are a large number of these coming in every day. We prefer to communicate by email because we can send ten times as many emails in a day as we can make phone calls - phone calls take longer.Shari Prange Electro Automotive POB 1113 Felton CA 95018-1113 Telephone 831-429-1989 http://www.electroauto.com [EMAIL PROTECTED] Electric Car Conversion Kits * Components * Books * Videos * Since 1979
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--- Begin Message ---I found this post on the NHRA website from 1998. E.T. BracketsThe biggest news in E.T. Bracket racing is the development of rules to accommodate electric-powered vehicles. Current plans are for the electric cars to run in E.T. Brackets only, in their own eliminator (similar to E.T. Snowmobile). Said NHRA Western Region Tech Director Jerry Valentine, "It may be hard for some to believe, but we have these cars showing up at NHRA member facilities ready to go racing. The chassis are built according to NHRA guidelines, but we have nothing that relates to a vehicle powered by something other than an internal-combustion engine. So I've worked with several electric-car organizations to come up with a basic set of rules that establish minimum standards for the proper operation of electric-powered vehicles and are simple for the technical inspector to enforce."According to this, electric vehicles can't run in the same eliminator class as other ICE cars or bikes of the same body/chassis style but must run against each other only for purposes of elimination.Has this been changed or are we out of luck wanting to run bike eliminator with AGNS, Pro Eliminator with OJ, or Street Eliminator with the Electropolitan?Shawn Lawless ________________________________________________________________________AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com.
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--- Begin Message ---Gulabrao Ingle asked: "What does Ampere hour signify ? does a higher ah rating equals more range , what is the ideal Ah rating for an EV?" Mick says: Roland Wiench's separate reply to your question is very accurate. Here's some more information that may be helpful. First consider the ampere: that's a measurement for electrical current, but the amp is a real time value which cannot by itself represent a quantity of energy (and cannot by itself even represent a quantity of power). The amp is sort of like "miles per hour" as it is a real time rate of activity. The amp-hour adds the element of time which takes us closer to measuring a quantity of energy. The ampere-hour is a product reached when amperage is multiplied by time. If 100 amperes flow for one hour, that's 100 amp-hours. If 200 amps flow for a half hour, that also multiplies out to 100 amp-hours. Battery capacity is often rated by the amp-hour so a battery with more ah of capacity would also hold more energy, provided that the battery voltage is the same. Voltage must enter the picture before one can calculate a quantity of energy. If the 100 amp-hours described above should move at an assumed 120 volts, multiply these two values together to calculate watt-hours. 100 X 120 = 12,000 watt-hours, which is the same as 12 kilowatt-hours. I conduct energy calculations mostly in watt-hours instead of in amp-hours, because the number of watt-hours under discussion always describes the same amount of energy regardless of the voltage. I find that the watt-hour is less confusing for my clients than the amp-hour, so I do amperage related calculations in the background. Gulabrao asked, "what is the ideal Ah rating for an EV?" Mick says: It's impossible to answer a question like that because you have not specified the battery voltage, the desired traveling distance, the weight of the vehicle, or other important factors. Battery system design includes many parameters which push and pull on one another. The amp-hour is only one of those factors. EVDL participants would be well qualified to address some of the other parameters if they have the time to reply. Mick Abraham, Proprietor www.abrahamsolar.com
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--- Begin Message ---I have a related question that I have been meaning to write about: I have a box of new Crydom (CSD2450) SSR's that I bought on eBay. The input is 3.5-15VDC and the switched output is 240 VAC @ 50A. I had planned on using them in my conversion for switching low power DC circuits, such as horns, lights, radio's, etc. The problem, I have discovered, is that AC switching loads will not work on DC. (I'm sure most people on this board already that ... And are chuckling at my ignorance!) Through experimentation, using a 12-v headlight, I find that the relay will switch the light ON, but when the input is removed ... The light stays ON. So much for that idea! The purpose of this message is to see if there is some "trick" that I can use to shut the SSR down, when switching 12-VDC loads ... Or should I start looking for different SSR's? Thanks, Roger Daisley Pullman, WA http://www.96-volt.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!//!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ You can get solid state relays from www.allelectrolnics.com for less than $10.00 that may work for you. Yes, the ITE solid state relays I have been running for 22 years every day cost me about $80.00 for a 40 amp at 100 VDC back in 1985. Roland ----- Original Message ----- From: "Al" <[EMAIL PROTECTED]> To: <ev@listproc.sjsu.edu> Sent: Sunday, July 29, 2007 10:39 PM Subject: solid state relays > I am considering using solid state relays in a battery balancer system. > The > DC models seem to be very expensive. I wonder why? Don't they consist of > just a pair of high power mosfets and an optoisolator/driver? > Could I build my own? > > Al > >
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--- Begin Message ---I did some googling without success for the 9 Ah cells -- do you have a link you can share where they can be purchased? Thanks. ----- Original Message ---- From: Jack Murray <[EMAIL PROTECTED]> To: ev@listproc.sjsu.edu Sent: Monday, July 30, 2007 5:10:00 AM Subject: Re: Ni-MH cells and Chevron (Re: EV digest 7078) They are now 4.5Ah sub-C cells, http://www.cheapbatterypacks.com/main.asp?sid=809322&pgid=loosecells&chem=NIMH Intellect has 4.2Ah sub-C cells, and recently began producing 9Ah D-cells that perform like their Sub-C cells, i.e. 10-20C discharge rates. Jack Ian Hooper wrote: > In my experience, the only nickel batteries with decent power output > are in Sub-C size, since they're targeted at the industrial market. > Decent brands will usually claim 10C continuous discharge rates. The > downside is they only go up to about 3000mAh. > > Other sizes (AA/C/D) are aimed at consumer devices - torches, radios, > that sort of thing - so aren't designed to put out much juice. I > actually played with a handful of those Tenergy AA cells as well and > was fairly disappointed, I could only pull ~2C out of them. > > -Ian > > On 30/07/2007, at 9:08 AM, [EMAIL PROTECTED] wrote: > >>> Unfortunately, I have tried that Tenergy D cell, and it is crap. >> >> >> I bought a bunch of Tenergy AA cells to make a NiMh battery for a >> friend's mobility scooter. The 2600mAh cells tested at about 1900. >> It will be interesting to see how they hold up. >> >> I emailed the factory and their online store and got no response. >> >> Bill >> >> > > ____________________________________________________________________________________ Shape Yahoo! in your own image. Join our Network Research Panel today! http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7
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--- Begin Message ---I may be wrong but I believe most of the raceways are owned by corporations, patnerships or individuals not NHRA. NHRA sanctions the events hence records as does NEDRA but it does not mean they have to agree and have the same rules. I have seen many vehicles run at "NHRA" events that are not regulation vehicles. I am not suggesting that we "piss" anyone off nor am I living in a fantasy world and yes my vehicles may seem like toys but one has to start somewhere and if our toys get us noticed we may get the kind of money to make bigger and better ones. Look what happened when one person built the first monster truck. now it is a whole industry. look what happened in the dune buggy field. I am just suggesting that we may be able to have broader rules. After all NEDRA is a separate sanctioning body. keith --- [EMAIL PROTECTED] wrote: > > In a message dated 7/30/2007 7:40:12 A.M. Pacific > Daylight Time, > [EMAIL PROTECTED] writes: > > Shawn and NEDRA, > This was my question a month or so ago. Why do we > (electric vehicle builders) need to follow NHRA > rules. > Certianly, if we are racing against infernal > combustion powered vehicles we may use their rules > but > if we are racing agains other electrics why not > create > our own classes. 1,2,3,4,5,6,etc wheels and motors. > we > are developing a completely new sport/activity. why > limit ourselves to coping rules that are designed > for > a different animal. > kEVs > > > > I think the main reason we follow NHRA rules is > because we run on their race > tracks without them we are DEAD. > This is the real world not fantasy, you piss them > off you might as well take > your electric toys and throw them away. > > Harsh, but true. > > Jim > > > > ************************************** Get a sneak > peek of the all-new AOL at > http://discover.aol.com/memed/aolcom30tour > ____________________________________________________________________________________ Building a website is a piece of cake. Yahoo! Small Business gives you all the tools to get online. http://smallbusiness.yahoo.com/webhosting
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--- Begin Message ---Steve Powers wrote: > I am in the US, and someone in Canada wants to buy > some of my parts. I've never sold anything outside > the US (I'm probbaly not the only one in this > situation). So, I boxed it up and am ready to send > it. But, I went to Fed Ex website, and they are > asking what it is, value and bringing up issues like > tariffs and trade restrictions. I am selling a motor > controller and the value is <=$200 US. I'm posting > this because I'm sure other prople may have similar > issues at one point or another. So, can someone who > lives in Canada answer how best to ship into there? > > I'd really appreciate some insight as I'm sure the > buyer would as well because he wants me to ship these > parts, and I don't know how to do it. Regular US Mail works well; I think that airmail promises shorter deliver times for only a modest increase in cost. The recipient will be charged a $5-8 handling/brokerage fee depending on the particular grade of mail service used. If you want to ship by courier, then UPS Air typically works out the cheapest since although it costs a bit more up front, they don't ding the recipient for brokerage fees (which they will if shipped UPS ground). They don't bother collecting taxes or duty on packages valued $20 or less and sent by mail. I've got the shipper's paperwork handy from a piece of used test equipment I purchased and had shipped here (Canada) by US mail. The description is simply "used electronic test equipment", and it is declared as "merchandise". I don't think that you need to worry about declaring the country of origin as the USA to try to save the recipient duty. A special NAFTA form is required for this, and most things don't have duty on them these days anyway. For a motor controller, I'd declare it as being a used car/automotive type part since car parts are one of the classes of item that should be duty exempt. Cheers, Roger.
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