KR> TRIGEAR KR2 - KR Newsletters

[redblackvette]

Hi Mark I do have the nose gear that was in the KR but you are right in saying 
I don't know anything about it. The guy that said he would buy it said he would 
come today. I called him last night Saturday. .and he changed to Monday 
or Tuesday or Wednesday. ?So I'm not real sure if it is sold yet. Will let you 
know for sure. Dennis ?Brooks?


Sent from my T-Mobile 4G LTE Device

 Original message 
From: Mark Langford via KRnet  
List-Post: krnet@list.krnet.org
Date: 8/7/16  8:45 PM  (GMT-06:00) 
To: KRnet  
Cc: Mark Langford  
Subject: Re: KR> TRIGEAR KR2 - KR Newsletters 

Bill Weir wrote:

>> You had for sale ,or sold a KR2 that was described as having a
retractable
>> trigear undercarriage that was being converted to a taildrager. I
wonder if
>> you could describe how the trigear retract was done?

You guys apparently missed that I forwarded that KR2 for sale email... 
it wasn't MY KR2, and the guy selling it may know very little about it, 
as the plane was given to him by the widow of the guy that built it many 
years ago.? The all-retractable gear setup was mentioned in several 
issues of the KR Newsletters, which are two thousand pages of searchable 
PDF files, located at
http://www.krnet.org/newsletter/ .? Below is an excerpt from issue 
number 47, in 1979.

"KR-2 N24BD Bill DeFreeze was on hand to demonstrate his retractable 
tri-gear system to all comers. If you're looking for the least 
expensive, quickest to build, retractable trigear, Bill has it. He's 
selling plans to the system, one that utilizes many of Rand/ Robinson's 
existing parts. A twenty dollar bill will get you the easy to follow 
drawings and construction photos.

? I believe John Shaffer's "KR2SS" has them (or something similar) now. 
There are some photos of it at one of the Gatherings also, although his 
may be a different incarnation than the plans version.? I had lunch with 
John at OSH this year, but I forgot to ask him if he would be at the 
Gathering this year.? I hope so, and I know I will be.

It's worth pointing out that retracts on KRs went by the wayside after 
Dan Diehl proved that his fixed gear, when properly faired, weighs less 
and has lower drag than the RR plans-built retracts, and you don't have 
to worry about gear-up landings!? They do look cool, and you can make 
them pretty slippery if done right (like Don Betchan did using 
motorcycle forks).? But still, there's that pesky gear-up thing!

For those who have not discovered the KR Newsletters, reading these will 
keep you spellbound with KR history, innovation, improvements, and many 
ways to build and fly KRs, for weeks to come.? Reading these will make 
you a lot "KR smarter"...

Mark Langford
ML at N56ML.com
http://www.n56ml.com


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KR> TRIGEAR KR2 - KR Newsletters

[Mark Langford]

Bill Weir wrote:

>> You had for sale ,or sold a KR2 that was described as having a
retractable
>> trigear undercarriage that was being converted to a taildrager. I
wonder if
>> you could describe how the trigear retract was done?

You guys apparently missed that I forwarded that KR2 for sale email... 
it wasn't MY KR2, and the guy selling it may know very little about it, 
as the plane was given to him by the widow of the guy that built it many 
years ago.  The all-retractable gear setup was mentioned in several 
issues of the KR Newsletters, which are two thousand pages of searchable 
PDF files, located at
http://www.krnet.org/newsletter/ .  Below is an excerpt from issue 
number 47, in 1979.

"KR-2 N24BD Bill DeFreeze was on hand to demonstrate his retractable 
tri-gear system to all comers. If you're looking for the least 
expensive, quickest to build, retractable trigear, Bill has it. He's 
selling plans to the system, one that utilizes many of Rand/ Robinson's 
existing parts. A twenty dollar bill will get you the easy to follow 
drawings and construction photos.

  I believe John Shaffer's "KR2SS" has them (or something similar) now. 
There are some photos of it at one of the Gatherings also, although his 
may be a different incarnation than the plans version.  I had lunch with 
John at OSH this year, but I forgot to ask him if he would be at the 
Gathering this year.  I hope so, and I know I will be.

It's worth pointing out that retracts on KRs went by the wayside after 
Dan Diehl proved that his fixed gear, when properly faired, weighs less 
and has lower drag than the RR plans-built retracts, and you don't have 
to worry about gear-up landings!  They do look cool, and you can make 
them pretty slippery if done right (like Don Betchan did using 
motorcycle forks).  But still, there's that pesky gear-up thing!

For those who have not discovered the KR Newsletters, reading these will 
keep you spellbound with KR history, innovation, improvements, and many 
ways to build and fly KRs, for weeks to come.  Reading these will make 
you a lot "KR smarter"...

Mark Langford
ML at N56ML.com
http://www.n56ml.com

KR> TRIGEAR KR2

[ol' weirdo]

Hi Mark,

You had for sale ,or sold a KR2 that was described as having a retractable
trigear undercarriage that was being converted to a taildrager. I wonder if
you could describe how the trigear retract was done?
Thanks.

BillWeir

KR> TRIGEAR KR2

[Doran Jaffas]

Id kind of like to know that too.
On Aug 7, 2016 3:31 PM, "ol' weirdo via KRnet"  wrote:

> Hi Mark,
>
> You had for sale ,or sold a KR2 that was described as having a retractable
> trigear undercarriage that was being converted to a taildrager. I wonder if
> you could describe how the trigear retract was done?
> Thanks.
>
> BillWeir
> ___
> Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search.
> To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org
> please see other KRnet info at http://www.krnet.org/info.html
> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change
> options
>

KR> TriGear?

[Chris Prata]

Flaps?  Are they fairly easy to build in and are they effective?  Also 
wondering about the Belly Brake option. This design is slippery, I'd love to 
have another choice manage the energy on approach besides a forward slip or 
slowing down way back at the start of downwind. I'd rather have the energy the 
whole time, and be able to brake on final.

From: danrh at windstream.net
To: chrisprata at live.com; krnet at list.krnet.org
Subject: RE: KR> TriGear?
List-Post: krnet@list.krnet.org
Date: Tue, 13 Jan 2015 05:59:25 -0500

You may be mistaken about the one less thing.  My opinion is that it is one 
more thing to go wrong.  I have never heard of a broken tail wheel causing a 
serious accident, but certainly have heard of several where the nose wheel 
broke.  A fixed gear KR1 would be a very simple machine to fly, especially if 
you could add flaps. See N64KR at http://KRBuilder.org - Then click on the pics 
 2015 KR Gathering - McMinnville, OR.  September 3 - 6 -- See U There. Peoples 
Choice at 2013 - KR Gathering in Mt. Vernon, Il ? MVN Best KR at 2013 - KR 
Gathering in Mt. Vernon, Il ? MVN Best Interior at 2013 - KR Gathering in Mt. 
Vernon, Il ? MVN Best Paint at 2013 - KR Gathering in Mt. Vernon, Il ? MVN Best 
Firwwall Forward at 2013 - KR Gathering in Mt. Vernon, Il ? MVN  Best Interior 
and Panel at 2008 ? KR Gathering in Mt. Vernon, Il - MVN  Daniel R. Heath - 
Lexington, SC  -Original Message-

Trigear would mean one less thing that can go   
  

KR> TriGear?

[n357cj]

I think what Chris means is one less thing to go wrong on landing. Making this 
decision when I first started building was a no brainer for me and I choose to 
have Tri-gear from the beginning. Chris is doing the right thing by questioning 
and evaluating his own abilities and then configuring his plane to that 
mission. Yes there may be some set up time in the building and there is 
certainly a bit of maintainence. Nothing that should sway the decision from one 
to the other over the safety of your own mission and abilities. The same 
thought process should be applied to retract gear also. There are may more 
talented people than I and may of those have become gear up victims. A new (or 
maybe experinced) tail dragger pilot can have  an unintended ground loop or a 
prop strike when conditions overcome the talents or anticipation of conditions. 
At least the nose gear keeps the prop off the ground in all but the worst case 
events.
IMHO
Joe Horton

- Original Message -
From: "Chris Prata via KRnet" 


Hi All,
I could search the newsletter archive, but figured I'd throw it out here. 
Is there a fixed tri-gear option for the KR1? 
I'm not tail wheel trained. Trigear would mean one less thing that can go wrong 
since the KR1 is somewhat tricky to land anyway from what I am reading.

Thanks!   
___

KR> TriGear?

[Dan Heath]

You may be mistaken about the one less thing.  My opinion is that it is one
more thing to go wrong.  I have never heard of a broken tail wheel causing a
serious accident, but certainly have heard of several where the nose wheel
broke.  A fixed gear KR1 would be a very simple machine to fly, especially
if you could add flaps.



See N64KR at   http://KRBuilder.org - Then click on
the pics 



2015 KR Gathering - McMinnville, OR.  September 3 - 6 -- See U There.



Peoples Choice at 2013 - KR Gathering in Mt. Vernon, Il - MVN 

Best KR at 2013 - KR Gathering in Mt. Vernon, Il - MVN 

Best Interior at 2013 - KR Gathering in Mt. Vernon, Il - MVN 

Best Paint at 2013 - KR Gathering in Mt. Vernon, Il - MVN 

Best Firwwall Forward at 2013 - KR Gathering in Mt. Vernon, Il - MVN 



Best Interior and Panel at 2008 - KR Gathering in Mt. Vernon, Il - MVN





Daniel R. Heath - Lexington, SC





-Original Message-



Trigear would mean one less thing that can go 

KR> TriGear?

[Chris Prata]

Hi All,
I could search the newsletter archive, but figured I'd throw it out here. 
Is there a fixed tri-gear option for the KR1? 
I'm not tail wheel trained. Trigear would mean one less thing that can go wrong 
since the KR1 is somewhat tricky to land anyway from what I am reading.

Thanks!   

KR> :Trigear and tailwheel full stall landings.

[Larry Flesner]

At 09:00 PM 4/6/2011, you wrote:
>By the way, from that, if you know your stall speed, you can guess your
>touchdown speed in a three pointer ... its stall speed x sqr root(stall
>speed coefficient of lift / touch down Coefficient of lift) ..
>Cheers!
>Martin
>+++


Getting a bit complicated don't you think for those still dealing 
with "critical angle of attack" and "airflow separation", to say nothing of
Bernoulli's law. :-) :-)

Larry Flesner

KR> Trigear

[Colin & Bev Rainey]

I have to agree with Larry and say that any trigear setup can be collapsed.  
One must remember to protect the nose gear by continuing the back pressure 
increase throughout the flare until the nose settles on its own, or damage can 
occur.  The Grumman Tiger, Cheetah, Traveler, and Lynx all have the same type 
nose wheel, and it fairs them well, but is the weak link.  This is where I have 
preached that one NEEDS to learn how to fly into ground effect first, and then 
establish a landing attitude followed by a gradual flare as the airspeed bleeds 
off. All too often pilots get in a hurry to get into the flare attitude on the 
descent, and they are very near the stall when they enter ground effect.  They 
try to continue flaring only to find too little airspeed, and too little 
elevator left to flare, so the nose drops as they drop crashing to the runway, 
smashing into a 3 point which overloads the nose gear.  Descend down final, 
round out into ground effect and pause as you fly in ground effect with the 
performance increase, and then begin the flare at the point when you begin to 
descend again.  Works on every plane I have ever flown!   Happy flying

Colin & Bev Rainey
KR2(td) N96TA
Sanford, FL
crain...@cfl.rr.com
or crbrn9...@hotmail.com
http://kr-builder.org/Colin/index.html

KR> Trigear

[larry flesner]

 One must remember to protect the nose gear by continuing the back pressure
increase throughout the flare until the nose settles on its own, or damage
can occur. 
>Colin & Bev Rainey


Many nose gear get crunched after a bounce on landing.  The pilot tries
to force the aircraft back down to the runway with forward stick instead
of holding back stick, adding power if needed, and flaring again.  This
often forces the nose wheel to hit first and there you have it.  The weak
link just failed again.  You'd think they would design that thing better. :-)

Larry Flesner

Fwd: Re: KR> Trigear

[Linda Warner]

One thing to check for if you have an older kit. Some of the early Diehl
nose gear struts were made of fiberglass. These were prone to snap off
with any shimmying.
I believe Diehl was offering to replace those early ones with steel ones
for no cost.

You MUST treat the nose gear on these planes with tender loving care. I
had a friend that knocked his nose gear off several times due to his
landing technique.
He thought you just got close to the runway & let the airplane land
itself.

John Sickafoose
Naples, Fl

KR> Trigear

[Virgil Salisbury]

On Wed, 31 Mar 2004 07:41:32 -0600 larry flesner 
writes:
>  One must remember to protect the nose gear by continuing the back 
> pressure
> increase throughout the flare until the nose settles on its own, or 
> damage
> can occur. 
> >Colin & Bev Rainey
> 
> 
> Many nose gear get crunched after a bounce on landing.  The pilot 
> tries
> to force the aircraft back down to the runway with forward stick 
> instead
> of holding back stick, adding power if needed, and flaring again.  
> This
> often forces the nose wheel to hit first and there you have it.  The 
> weak
> link just failed again.  You'd think they would design that thing 
> better. :-)
> 
> Larry Flesner
> 
> 
> 
> ___
> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net
> please see other KRnet info at http://www.krnet.org/info.html
> 
OR, teach the pilots better, Virg


Virgil N. Salisbury - AMSOIL
www.lubedealer.com/salisbury
Miami ,Fl

KR> Trigear

[Gavin Donohoe]

I own a Grumman Tiger and let me say the nose wheel is only the weak link if
the torque tube is delaminating !!! There is nothing wrong with the design,
and the aircraft should be treated the same as any other tri undercart
aircraft.
Most of the prop strikes are when the glue holding the torque tube together
fails and the whole assembly fails.

Gav
Australia





- Original Message -
From: "Colin & Bev Rainey" <crain...@cfl.rr.com>
To: "KRnet" <kr...@mylist.net>
Sent: Wednesday, March 31, 2004 8:11 PM
Subject: KR> Trigear


> I have to agree with Larry and say that any trigear setup can be
collapsed.  One must remember to protect the nose gear by continuing the
back pressure increase throughout the flare until the nose settles on its
own, or damage can occur.  The Grumman Tiger, Cheetah, Traveler, and Lynx
all have the same type nose wheel, and it fairs them well, but is the weak
link.  This is where I have preached that one NEEDS to learn how to fly into
ground effect first, and then establish a landing attitude followed by a
gradual flare as the airspeed bleeds off. All too often pilots get in a
hurry to get into the flare attitude on the descent, and they are very near
the stall when they enter ground effect.  They try to continue flaring only
to find too little airspeed, and too little elevator left to flare, so the
nose drops as they drop crashing to the runway, smashing into a 3 point
which overloads the nose gear.  Descend down final, round out into ground
effect and pause as you fly in ground effe
>
> Colin & Bev Rainey
> KR2(td) N96TA
> Sanford, FL
> crain...@cfl.rr.com
> or crbrn9...@hotmail.com
> http://kr-builder.org/Colin/index.html
> ___
> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net
> please see other KRnet info at http://www.krnet.org/info.html


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