Actually, most people aim to get a pure roll reponse by using aileron
differential. Inducing proverse yaw, yaw into the direction of the turn,
isn't really much better than having adverse yaw. A coordinated turn comes
from using rudder and aileron together, not having ailerons providing a
yawing movement.
You need more upward deflection than downward, from what I remember, because
the drag induced by undercambering the airfoil (downward aileron) increases
at a faster rate than reducing (or reversing) the camber (upward
deflection). Any difference in the drag on either wing will yield a yawing
effect.
Interestingly enough, the reverse is true of a v-tail. Any ideas why anyone?
Cheers,
Adam
>From: daniel gaudenti <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: [RCSE] aileron differential, which way?
>Date: Fri, 1 Sep 2000 13:22:38 -0700 (PDT)
>
>Should there be more up or down throw, and why?
>
>From what I remember, more up is required. And the reason is to prevent
>adverse yaw. More throw on the up aileron causes more drag and helps the
>plane yaw in the same direction of the turn. Am I remembering correctly?
>
>TIA,
>
>Danny
>
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