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Old 23rd Jun 2021, 14:53
  #30 (permalink)  
photofly
 
Join Date: Mar 2011
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Right. Airplanes have forward motion, and can use passive surfaces to react the torque. But it’s also interesting to note that airplanes are inherently roll stiff in a way helicopters aren’t (yaw stiff): even absent aileron deflection a rolling motion changes the angles of attack of the two wings: the down-going wing has a higher angle of attack and generates more lift than the up-going wing (unless stalled), inherently providing a torque contrary to the roll. Ailerons are the pilots mechanism to adjust this couple, to effect desired roll.
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