21-15. (H) Rotor Heads
All questions: 39
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Questions for exams: 20
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1. What indication will be available to the pilot of wear in either tail rotor gimbal or pitch change link bearings?
2. A Fenestron blade is equipped with:
3. The purpose of a main rotor blade tracking check is to ensure:
4. The purpose of the fixed scissors is to:
5. A helicopter rotor system fitted with blade flapping hinges and blade drag hinges is said to be: