Airfoil Ground Effect Lift 
Pilot Institute
MARCH 28, 2025
When air flows over the aircraft wing, the shape of the airfoil creates low pressure above the wing and relatively higher pressure below the wing. This is called lift. Wingtip vortices are a byproduct of lift. Once the wing stops producing lift, the vortices dissipate instantly. How Are Wingtip Vortices Formed?
Plane and Pilot
OCTOBER 3, 2024
The airfoil is a Harry Riblett shape, giving modernized flow separation on the leading edge for a soft stall yet with good lift and drag performance. The takeoff technique is conventional taildragger—add full power, let the tail come up, then lift off when you get above Vmc. Overall, the controls were wonderful.
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