CAAB AME B1.3 Exam Practice Questions - CAAB AME Licence Category B1.3 (Helicopter Turbine) Examination (Bangladesh) Exam

What is the primary aerodynamic purpose of main rotor blade twist (washout) on a helicopter?

To decrease rotor tip vortex size and minimize noise signature To produce a more uniform distribution of lift along the span of the blade To increase the structural rigidity of the blade at high rotational speeds To prevent aerodynamic stall on the retreating blade in high-speed forward flight

Correct Answer:

To produce a more uniform distribution of lift along the span of the blade

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