Effects of antispin fillets and dorsal fins on the spin and recovery characteristics of airplanes as determined from free-spinning-tunnel tests

Lawrence J. Gale, Ira P. Jones
naca-tn-1779
Dec 1948


The effects of antispin fillets and dorsal fins on the spin and recovery characteristics of airplanes have been determined from an analysis of the results of spinning investigations of a large number of models tested in the Langley 15-foot and 20-foot free-spinning tunnels.

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