Today's Message Index:
----------------------
1. 04:21 AM - KIS TR-1 Aerodynamics ()
2. 07:48 AM - Re: KIS TR-1 Aerodynamics (Mark Kettering)
3. 08:47 AM - oshkosh (Randy Ott)
4. 01:45 PM - Re: KIS TR-1 Aerodynamics (F. Tim Yoder)
Message 1
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Subject: | KIS TR-1 Aerodynamics |
7/8/2010
Hello Tim, You wrote:
1) "I would be interested to see your numbers."
I am working on a spread sheet to compare some numbers. I'll post it when
finished.
2) "Oh, Mark and 'OC' what was the thickness of your main gear shims? Are
they
fiberglass or aluminum or???"
I used a liquid shim of epoxy and glass fibers -- no specific thickness --
just whatever thickness resulted from the gear cross piece squished down
into the shim while tilted forward as much as considered feasible. Actual
final location of the main gear will be shown on the spread sheet.
'OC' Baker Says: "The best investment we can make is the time and effort to
gather and understand knowledge."
============================================================
KIS-List message posted by: "F. Tim Yoder" <ftyoder@yoderbuilt.com>
Mark, 'OC' and all,
My gear dimensions are as follows;
Main gear axle center line to firewall is 42 1/8"
" " " " " " nose gear axle center line 53"
I would be interested to see your numbers.
In retrospect, I do have to watch and may have to increase stick pressure in
order to keep the nose gear off the runway. But I do have plenty of elevator
authority to do that.
Julian's plane was a tail dragger (conventional) I think. He was trying to
give it STOL qualities, an oxymoron I think. I forget what he built to
replace the KIS, I think it is a high wing with better STOL qualities.
Mark, I am in annual now, but I will try and report on your take off
procedure. That is if I don't stall, crash, and burn!
Also, maybe it would be helpful to confirm final approach and touch down
speeds from the GPS, if available, to confirm the accuracy of our different
pitot systems at slow speeds. I you are flying alone, it might be safest to
do this at altitude in a practice area.
'OC', maybe Mark and Rich are just better pilots than you and I because I
use your technique for more consistent landings.
Oh, Mark and 'OC' what was the thickness of your main gear shims? Are they
fiberglass or aluminum or???
Tim
Message 2
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Subject: | Re: KIS TR-1 Aerodynamics |
Hi Tim,
I did about the same thing as OC when making the shim. I taped a thin rubber sheet
to the gear so the flox would not stick and there would be room for the rubber.
Then put a excess amount of flox piled on the gear cross area. The flox
was about 1/2 inch thick at the back edge and thin at the front edge and slightly
convex. I was careful to make sure there were not any voids near the areas
where the gear bolts attach the gear. Then I placed the gear into the tunnel
and bolted it on place with well greased bolts making sure the main gear
tires contacted the ground at the correct location.
So, I really do not know how thick the shim is. I just know that the shim was
made so that the main gear contact point is at the correct location. And at the
moment I can not find my notes on the location.
For this shim when I say flox I think I used not only cotton but also short chopped
fiberglass in the mix. I did not use all chopped fiberglass but I am sure
that also works well.
Mark
>I used a liquid shim of epoxy and glass fibers -- no specific thickness --
>just whatever thickness resulted from the gear cross piece squished down
>into the shim while tilted forward as much as considered feasible. Actual
>final location of the main gear will be shown on the spread sheet.
Message 3
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Just curious,
Are we going to have a special parking place at oshkosk this year for KIS?
Randy 96BT
Message 4
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Subject: | Re: KIS TR-1 Aerodynamics |
Thanks Mark,
Tim
----- Original Message -----
From: "Mark Kettering" <mantafs@earthlink.net>
Sent: Thursday, July 08, 2010 7:47 AM
Subject: Re: KIS-List: KIS TR-1 Aerodynamics
>
> Hi Tim,
>
> I did about the same thing as OC when making the shim. I taped a thin
> rubber sheet to the gear so the flox would not stick and there would be
> room for the rubber. Then put a excess amount of flox piled on the gear
> cross area. The flox was about 1/2 inch thick at the back edge and thin
> at the front edge and slightly convex. I was careful to make sure there
> were not any voids near the areas where the gear bolts attach the gear.
> Then I placed the gear into the tunnel and bolted it on place with well
> greased bolts making sure the main gear tires contacted the ground at the
> correct location.
>
> So, I really do not know how thick the shim is. I just know that the shim
> was made so that the main gear contact point is at the correct location.
> And at the moment I can not find my notes on the location.
>
> For this shim when I say flox I think I used not only cotton but also
> short chopped fiberglass in the mix. I did not use all chopped fiberglass
> but I am sure that also works well.
>
> Mark
>
>
>>I used a liquid shim of epoxy and glass fibers -- no specific thickness --
>>just whatever thickness resulted from the gear cross piece squished down
>>into the shim while tilted forward as much as considered feasible. Actual
>>final location of the main gear will be shown on the spread sheet.
>
>
>
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