Blade Angle

The angle the face of the propeller blade makes at any particular place with its plane of rotation. It’s also the angle subtended by the chord of the propeller blade with the horizontal plane when the propeller is laid flat on its boss on this horizontal plane, its axis being vertical. The angular difference between the chord of the rotary wing and therefore the plane of rotation. This angle could also be altered by the pilot through the movement of the collective lever or through the cyclic control. The blades are made within the shape of an airfoil like wing of an aircraft.  This lift is named thrust and moves the aircraft forward. most aircraft have propellers that pull the aircraft through the air.

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