It's already been done.
You want to add more tail, you got a KR2 in the works, add more tail and
show everyone how much difference it makes.
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If you read the article on the new KR airfoil it mentions Troy Petteway's
4" increase in tail area and the stubstantial improvement in handling with
no performance penalty.
http://home.hiwaay.net/~langford/airfoil.html
The article attributes some of that improvement to the new airfoil but in
What you were doing was not "wrong" for the 150. The KR is a bit low on
pitch stability, so you have to be extra careful. Might be a good time to
add a few inches to the horizontal stab, like several builders have done.
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The other advantage to flaps on many tailwheel airplanes is that it allows
the airplane to actually stall in the 3 pt attitude. The stall angle reduces
with respect to the aircraft datum. My Jodel and the Cessna 140 I fly both
enjoy this advantage. With 0 flap neither are stalled in the 3 pt att
He recommends both.
>However, WW recommends the Stromberg - which I just bought
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Guys, this is not the same Bob Hoover. This Bob Hoover was a VW guru and
Navy Crew Chief in the Vietnam era. He was well known to those who put VW
engines in airplanes. He passed away from cancer. Better get your facts
straight before somebody calls the other BH to offer condolences.
- Orig
t the collector?
Scott Black
Montreal
you're welcome
Scott Black Beng Aero.
So force on the board is Cd * dyn press * area = 84 lbs
>
I know there has to be a formula out there to figure this and I hope someone
smarter than me can tell me the pounds of force I need to accomplish a
smooth and full deployment to 80 degr
http://www.hainesengineering.com/rhaines/corvair.htm#electrolytic
area=1.875 sq ft
speed=110*5280/3600=161.3 ft/sec
dyn press=.00238*.5*161.3*161.3=31 lb/sq ft
Cd for finite plate is 1.45 (not 1 because of wake drag - see Horner text)
So force on the board is Cd * dyn press * area = 84 lbs which you can
estimate acts at the center of the board. You then need to
I think the plans are sold. Thanks to those who expressed interest.
Scott
I have kr2 plans, manual and kr2s supplement for sale for $150US plus actual
shipping from Montreal. Please contact me OFF LIST at
scott-bl...@sympatico.ca
thankyou
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