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Technical Note

Published in The Aeronautical Journal • Jan 1, 1980
Authors:
Ian Fejtek
,
John Nehera

Abstract

An experimental study was undertaken to measure the instantaneous lift and propulsive forces generated by a rigid, sinusoidally flapping wing at Reynolds numbers ranging from 72 000 to 120 000. The wing was flapped about a fulcrum at the root at frequencies of 2.55 Hz and 3.30 Hz. Instrumentation an...

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