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

What primary aerodynamic phenomenon causes dissymmetry of lift across the main rotor disc during forward flight?

Equal airspeeds across both advancing and retreating blades Engine torque variations between left and right main rotor quadrants Difference in relative wind velocity between the advancing and retreating blades Unequal pitch links installed on opposite rotor blade grips

Correct Answer:

Difference in relative wind velocity between the advancing and retreating blades

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