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Which of the following is false with respect to spinning rotor gyros?

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Which of the following is false with respect to spinning rotor gyros?

(a) Mechanically complex

(b) High probability of failure

(c) Low run up time

(d) High power consumption

I got this question in class test.

This intriguing question comes from Gyroscopes topic in portion Satellite Radio Navigation  & Inertial Navigation of Avionics

1 Answer

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Best answer
The correct option is (c) Low run up time

The best explanation: The major disadvantage of spinning wheel or spinning rotor gyros is that they are mechanically complex and have a high probability of failure due to the moving components. They also require high powers and have high run up time. Run up time is the time taken for the gyro to start spinning at the required RPM after engine start.

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