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Understanding Flapping in Helicopters by Истребитель Пилот is a document available to read on EtoBox.
What is Understanding Flapping in Helicopters about?
Flapping is the vertical movement of helicopter blades to compensate for dissymmetry of lift. The advancing blade flaps up to decrease its angle of attack and lift, while the retreating blade flaps down to increase its angle of attack and lift. This equalizes lift across the rotor disc. Flapping modifies the resultant relative wind and angle of attack of each blade by changing the inflow angle in relation to the rotational and induced airflow. Fully articulated rotor systems allow individual blade flapping,
- Author
- Истребитель Пилот
- Language
- EN