Raynor and Weston were leaning forward, all absorbed in following this young fellow's reasoning, this radical plunge into something far out of the ordinary rounds of mechanisms. One piston-and-cylinder principle had been harnessed to a gasoline vapor explosion to hurl a motor forward. Now here was this fellow's futuristic brain seeing another piston-and-cylinder principle harnessed in oil or glycerin to gentle power and ease a speed plane to the ground in a shockless landing!