Aerodynamics of a Curveball The Sikorsky Lift Data

In the 1940's and 50's, the United States was engaged in a national debate on whether the curve in baseball was an optical illusion. During this debate, Igor I. Sikorsky and Ralph Lightfoot investigated the lift force produced by a baseball spinning from zero to 1200 rpm in a wind-tunnel at free-str...

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Parent Book Title: The Engineering of Sport 7, Vol 2 pp. 429 - 436
Authors: Leroy Alaways, R.B. Lightfoot
Editors: Margaret Estivalet, Pierre Brisson
Format: Book Chapter
Published: 2008