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Old 24th Nov 2015, 02:54
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bad3ip420
 
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Adverse yaw question

Guys I need some help.

So Induced drag is a byproduct of lift. It increases as AoA increases(Cl increase)/speed decreases. The total reaction tilts backwards and increases the horizontal Cl which is the induced drag(manifest as vortices).

Now during turns, the wings produce more profile drag because of aileron deflection and the higher wing more induced drag. I've read that this is because the higher wing has more camber when the aileron is deflected downward. But isn't it the same case for the upward deflected aileron (lower wing)?

The upward deflected aileron also changes the orientation of it's chordline and it's camber(lower surface) also increases so there is also more induced drag due to high aoa/more negative lift. I've also read at another source that the higher wing has a higher aoa than lower wing (different relative wind positions?) causing it to have more induced drag and this is the one that makes more sense than that higher camber thing.

Sorry for the long post and I hope that you guys can shed some light on this.

Thank you!
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