The rotor blades of a helicopter are identical to the wings of an airplane. This means that each blade is an aerofoil that, when placed in an airflow, deflects the air in order to produce lift. The crucial difference in helicopters is that the airflow is produced by rotating the ‘wings’ rather than by moving the whole aircraft. … See more The magnitude of TRT is changed by increasing or decreasing the pitch angle of the rotor blades, and thereby their angle of attack. The pilot does this by using the collective or lever on … See more So we now have a way to lift the helicopter into the air and hover it. But we also need to be able to move it forwards…and sideways and … See more So the theory of how helicopters fly is quite complicated, but certainly not impossible to understand. However, the above really only explains the basics. There are other … See more The above describes the basics of how helicopters fly. However, there are other aerodynamic effects that take place in helicopter flight. Let’s … See more Webfly Infinitive to fly Preterite flew Past participle flown Model : fly Auxiliary : have, be Other forms: fly oneself / not fly Contractions Advertising Indicative Present I fly you fly he/she/it flies we fly you fly they fly Preterite I flew you flew he/she/it flew we flew you flew they flew Present continuous I am flying you are flying
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