1975-02-01

Some Ideas of Vortex Lift 750547

In tests on a glider designed for experimenting with vortex generated lift, the author experienced an unknown phenomenon which kept the glider afloat at half the usual sink rate and stalling speed. After study it was realized that a huge vortex had been forming after the stall which explained the presence of additional lift at high angles of attack and low speeds. The implications that this discovery has in terms of improving the slow speed characteristics of airplanes are explained in the paper in addition to a detailed study of the characteristics of this vortex.

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