The Navy has described the torture chamber which it will build at Johnsville, Pa. to test the effect of the hops, drops and altitude changes of high-speed airplanes upon the human body. The Navy's gadget is a gigantic merry-go-round with a cab twelve feet in diameter at the end of a 50-foot horizontal arm. When the arm is revolving 48 times a minute, the cab will circle at 173 m.p.h. At this speed everything inside it will be subjected to "a centrifugal force of 40 "Gs," much more than the most rugged man can stand.
One "G" is the normal gravitational force...
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