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The stalling speed of an aircraft in a manoeuvre rises in proportion to

  • A.The load factor itself
  • B.The square of the load factor
  • C.The cube of the load factor
  • D.The square root of the load factor

Answer: D

Lift must equal the load factor times the weight, and lift goes as the square of speed, so the stalling speed scales with the square root of the load factor. At 2 g it is about forty per cent higher than in level flight, which is the origin of the accelerated stall.

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