PPL(H) AGK Helicopter Practice Questions - UK CAA PPL(H) Theory - Aircraft General Knowledge Helicopter Exam

Why is a clutch necessary between the engine and the main rotor system in a piston-engine helicopter?

To allow the piston engine to be started without the heavy load of the rotor system To prevent the main rotor from exceeding its maximum continuous airspeed To reduce vibration during high-speed forward flight To convert engine rotary motion into hydraulic pressure

Correct Answer:

To allow the piston engine to be started without the heavy load of the rotor system

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