In his applicationSeldendescribedamachine with a gasoline-driven, combustion-typeengine that sat infront of the driver; a clutch; a footbrake; a drive shaft; and front-wheeldrive.
After turning off the jet and rocket he will deploy an air brake at 800mph, parachutes at 600mph and finally put his foot on a car-type friction brake at 250mph any faster and the brakes could explode.