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Home shop machinist

Stall flutter is the result of the elastic axis of a wings surface being aft of the aerodynamic center, resulting in instability. A vicious cycle of lift, twist, stall and lift may ensue.

Marc Cook reflects on the years of on-the-job lessons he learned while formation flying and shooting air-to-air photography.

Building a 55%-scale, amphibious twin-engine flying boat seems like an ambitious project, and it is. But this former WW-II B-25 commander with four homebuilt aircraft already under his belt tackled it anyway. By Rick Lindstrom.