R.A.F. Demonstrate Man-Carrying Centrifuge - The Man-Carrying Centrifuge at the R.A.F. Institute of Aviation Medicine, Farnborough, is a piece of apparatus capable of simulating the centrifugal acceleration encountered by pilots when they change direction at high speed. This can result in various physiological effects, even causing unconsciousness. The apparatus consists of a 60-ft rotating arm, pivoted in the centre, at each end of which is a car weighing 1,150 lbs. These cars can attain a speed of more than 115 mph, and at this speed the centrifugal force on the cars is equivalent to 30g - or a force equal to 30 times that of gravity. May 17, 1955.