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A tailless or flying wing aeroplane obtains longitudinal stability from

  • A.Reflexed or washed out sections and a suitably forward centre of gravity
  • B.A long tail arm
  • C.A large fin
  • D.Its engines alone

Answer: A

Without a tailplane the wing itself must provide the restoring moment, which is achieved by reflexing the trailing edge or by sweep with washout. The available margin is small, which is why such aeroplanes are demanding to balance.

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