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Goodyear blimp during steep ascent upon takeoff. Since lift is mostly provided by buoyancy in air rather than airfoils, in theory, ascent and descent angles could be as steep as 90° (gyb0120a) | |||||
N10A Spirit of America 2012 | |||||
Goodyear Blimp Airship Operations | |||||
Carson, California | |||||
Copyright 1990-2020 Jeffrey Sward | |||||
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