NCAA PPL (Helicopter) Theory Exam Practice Questions - NCAA Private Pilot Licence (Helicopter) Theory Exam (Nigeria) Exam

How does a main rotor system automatically equalize lift between advancing and retreating blades in forward flight?

By varying engine RPM higher on the retreating side By using tail rotor thrust to push air over the retreating blade By increasing collective pitch automatically via engine governor Through blade flapping, which alters the angle of attack on each side

Correct Answer:

Through blade flapping, which alters the angle of attack on each side

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