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