I think that is backwards.  You want the drag on the downward wing, on the
inside of the turn.  More deflection, more drag.  Is that not right?


Daniel R. Heath -?Lexington, SC


-----Original Message-----
From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Dave McCauley
via KRnet
Sent: Friday, December 12, 2014 11:56 AM
To: 'KRnet'
Subject: Re: KR> aileron controls

Just to clarify, when the aileron moves downward, lift is increased and the
wing is deflected upwards.  The increased lift of the wing, increases drag
on that wing which produces adverse yaw.  So to counter this, aileron
controls can be designed to increase the deflection on the downward moving
wing aileron more than the upward moving wing - the up-moving aileron goes
up 30? while to down moving aileron travels down 20?.  See page 134 of Tony
Bingelis  "The Sport Plane Builder" titled What to do About Adverse Yaw.

 Dave McCauley
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