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Aileron reversal is caused by the control run being rigged backwards. True or false?

  • A.True, provided the ailerons are outboard
  • B.False, it is caused by the ailerons stalling
  • C.False, it is caused by aerodynamic twisting of the wing
  • D.True, reversed rigging is the usual cause

Answer: C

The aileron's load twists the flexible outer wing so that its incidence falls. Above a certain speed that loss exceeds the aileron's own contribution and the aeroplane rolls the wrong way with the rigging entirely correct.

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