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Underwing podded engines are widely used on transports chiefly because they

  • A.Give bending relief and easy access
  • B.Reduce the aircraft's yawing moment on engine failure
  • C.Eliminate the need for a pylon
  • D.Allow a shorter undercarriage

Answer: A

The engine mass outboard opposes the wing's upward bending in flight, so the structure can be lighter, and a pod at knee height is easy to work on and to change. The penalties are gear length and a large engine-out yawing moment.

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