Lift is the aerodynamic force that acts perpendicular to the relative wind and supports the weight of an aircraft in flight. It is generated primarily by the wings and is a result of pressure differences created by the airfoil shape and angle of attack as the aircraft moves through the air.

Lift

aerodynamic force

Relative wind is the airflow direction relative to an object, such as an aircraft or a rotating blade, which is crucial for understanding aerodynamic forces. It is the vector sum of the object's velocity and the wind's velocity, influencing lift, drag, and overall performance.

relative wind

weight of an aircraft

aircraft in flight

wings

pressure differences

An airfoil shape is designed to generate lift when air flows over it, which is essential for aircraft to fly. The specific contour of an airfoil’s upper and lower surfaces determines its aerodynamic properties, such as lift, drag, and stall characteristics.

airfoil shape

The angle of attack is the angle between the chord line of an airfoil and the oncoming airflow, which is crucial for determining lift and stall characteristics. Proper management of the angle of attack is essential for maintaining control and stability in flight operations.

angle of attack

aircraft moves through the air

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Relevant Degrees

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