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Ground effect (aerodynamics)
Increased aircraft lift generated when close to fixed surface
Ground effect (aerodynamics)
In aircraft, the ground effect is the reduced aerodynamic drag that an aircraft's wings generate when they are close to a surface (land or water). The principal benefit of operating in ground effect is to reduce its lift-induced drag. The closer the wing operates to a surface such as the ground ("in ground effect"), the less drag it experiences. When an aircraft enters ground effect, the surface pushes back against the downwash, which reduces its drag. During takeoff, ground effect can cause an aircraft to "float" while accelerating towards the climb speed, reducing friction.
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