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Toppling of a gyroscope refers to

  • A.The instrument being caged for storage
  • B.The spin axis tumbling when gimbal limits are exceeded
  • C.The rotor slowing to a stop
  • D.A gradual drift from the reference direction

Answer: B

Older instruments had limited gimbal freedom, and exceeding it in a steep manoeuvre caused the gyro to tumble and lose all reference. Modern designs are fully aerobatic, having gimbal freedom through the full range of attitudes.

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