Module 12 Helicopter Systems Practice Questions - UK CAA Part-66 AME Module 12 - Helicopter Aerodynamics, Structures And Systems Exam

What causes the Coriolis effect (conservation of angular momentum) on an articulated rotor blade when it flaps upward?

The blade's center of gravity moves closer to the axis of rotation, causing it to lead forward The blade's center of gravity moves further from the axis of rotation, causing it to lag backward The blade's angle of incidence decreases automatically The aerodynamic drag increases dramatically at the blade tip

Correct Answer:

The blade's center of gravity moves closer to the axis of rotation, causing it to lead forward

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