Airfoil Approach Firewall 
Plane and Pilot
DECEMBER 16, 2024
For one thing, the F2s fuselage hangs from a completely new wing with two distinct airfoil shapes. An obvious discontinuity leads to a thinner airfoil inboard. Come in at 65 KIAS with a small amount of power during a normal 3-degree glide slope approach and the runway will find you.
Plane and Pilot
OCTOBER 3, 2024
But it was apparent the smallest Grumman flying boat was too small and full of quirks—the cabin door won’t open if the flaps are down, for example—to justify something approaching a direct copy. 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.
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