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Angle of Attack The angle of attack is related to the amount of lift. Lift will increase as the angle of attack is increased up to the point (usually around 17 degrees) where the aircraft stalls, the critical angle of attack. Credits - Civil Air Patrol The angle of attack is the angle at which relative windmeets an airfoil. It is the angle that is formed by the chord of the airfoil and the direction of the relative wind or between the chord line and the flight path. The angle of attack changes during a flight as the pilot changes the direction of the aircraft. It is one of the factors that determines the aircraft's rate of speed through the air.
Credits - Civil Air Patrol The increase in angle of attack increases lift up to a point. Too high an angle of attack results in a loss of lift and can cause an aircraft to stall. Depending on the angle of attack,there will be a force backward (induced drag) and a force upward (lift). The amount of force depends on the angle of attack. If the angle of attack is small, the drag and lift are comparatively small. (The relative wind is the flow of air past an airfoil relative to the path of flight. It is parallel and opposite in direction to the aircraft's path of flight.)
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