I disagree that the KR should handle spins beautifully.  According to Dan
Raymer's design book if you draw a line up and back at 60 degrees from
vertical  from the leading edge of the stabilizer and 30 degrees from the
trailing edge of the elevator that is the area that is blanked in a spin and
in turbulant air.  At least a third of the rudder should not be in that area
for good spin recovery.  It has been a little while since I did the
calculations on the KR, but it has more than a third in that area.  That
combined with the relatively small and short coupled rudder makes it a plane
that is not recommended to be spun.

A 2S should come out better since you have more rudder effect since the tail
is longer.  My new KR will also have a rudder where the bottom will extend
aft a little further to give me more area under the elevator blanked area.



Brian Kraut
Engineering Alternatives, Inc.
www.engalt.com

-----Original Message-----
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net]On
Behalf Of larry severson
Sent: Sunday, July 11, 2004 12:45 AM
To: KRnet
Subject: Re: KR> Spins?



>How does the KR handle spins?

While most of the KR drivers do not spin them, the design should handle
spins beautifully. I have not gotten my plane in the air; however, I have
heard of flyers who have wrung them out.


Larry Severson
Fountain Valley, CA 92708
(714) 968-9852
lar...@socal.rr.com


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