21-16. (H) Transmission
All questions: 26
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Questions for exams: 15
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1. A freewheel is fitted to a helicopter to:
2. Multi-segment tail rotor drive shafts are joined together by flexible couplings. These couplings allow for:
3. The tail rotor gearbox changes direction of drive:
4. The purpose of the rotor brake can be defined by:
1) to bring the rotor to rest as quickly as possible post engine shut down
2) to stop the rotor from flight RPM
3) to aid high wind rotor engagement
4) to enable an abrupt stop of the rotor during landing
The combination regrouping all the correct statements is:
5. In order to permit the rotor blades to rotate freely in autorotation:
