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Statement I: A flying wing has ample longitudinal static margin available.

Statement II: It must obtain its restoring moment from the wing itself rather than from a tailplane.

In the light of the above statements, choose the correct answer.

  • A.Statement I is correct but Statement II is incorrect
  • B.Statement I is incorrect but Statement II is correct
  • C.Both Statement I and Statement II are correct
  • D.Both Statement I and Statement II are incorrect

Answer: B

The second statement is correct and it explains why the first is false. Reflex or washout provides only a small restoring moment, so such aeroplanes are demanding to balance and tolerate very little centre of gravity movement.

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