Because the advancing blade has higher airspeed than the retreating blade and generates a dissymmetry of lift, rotor blades are designed to " flap " lift and twist in such a way that the advancing blade flaps up and develops a smaller angle of attack.
How to say flaps up in Hindi and what is the meaning of flaps up in Hindi? flaps up Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
