Airfoil Center of Gravity Payload 
Pilot Institute
APRIL 12, 2025
If we understand it well enough, we can harness this phenomenon to help us even defy gravity. Developments in aircraft design and engine technology have allowed us to fly farther, faster, and carry more payload. They are designed with a special shape called an airfoil, which encourages passing air to turn and deflect downward.
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. This is a Riblett-airfoil airplane with a slow stall speed (we got it down to 42 knots IAS and it didn’t stall) and a cruise speed of 120 knots. lb/sq ft Power loading 10.32
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