NCAA CPL (H) Theory Practice Questions - NCAA Commercial Pilot Licence (Helicopter) Theory Exam (Nigeria) Exam

How does a helicopter rotor system automatically compensate for dissymmetry of lift in forward flight?

By blade flapping, where the advancing blade flaps up decreasing its angle of attack and the retreating blade flaps down increasing its angle of attack By manual pilot cyclic inputs applied constantly to balance blade lift forces By engine governor adjustments that increase main rotor RPM on the advancing side By automatic pitch change links that lock the advancing blade pitch to zero degrees

Correct Answer:

By blade flapping, where the advancing blade flaps up decreasing its angle of attack and the retreating blade flaps down increasing its angle of attack

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