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What is the purpose of increasing or decreasing the angle of incidence of a particular wing?
Wiki User
∙ 16y ago
An airplane wing flys by Newton's third law--by thrusting large volumes of air downward (regardless of what you may have heard). This upward force is called lift. The downward force is gravity, the engine causes forward thrust and there is plenty of drag caused by the airplane moving through the air (from several sources). Increasing the angle of incidence slightly causes the lift to increase but also the drag. Thus the airplane may go up but also slow down. Lowering the angle of incidence causes the lift to decrease, the drag to decrease and the speed to increase. How these things balance and the resulting lift/drag is up to the designer of the wing.
Wiki User
∙ 16y ago
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