Talk among engineers this spring is rife with rockets, jet-propulsion planes and gas turbines. These three devices, all harnessing the hot, violent blast of burning oil flames, are already in development for postwar purposes. Last week Allis-Chalmers advertised "How to Cut a Locomotive in Half," by using the compact gas turbine with no boiler, no cylinders. FORTUNE for June discusses the whole subject at length.
All three of the new devices dispense with heavy construction, cylinders, most moving parts and much lubrication. But each is unique.
Rockets. The rocket an efficient light projectileburns either gasoline or an explosive powder and does not...