where the pressurized air is vented past the piston and out through the gearbox. For full details see the video after the break. It took a few iterations to get the engine to run. The volume of ...

Air is pressurized by the engines. Turbofan engines compress intake air with a series of vaned rotors right behind the fan. At each stage of compression, the air gets hotter, and at the point ...

The XC-35 (in flight near Wright Field in August 1937) earned the U.S. Army Air Corps the 1937 Collier Trophy for its substratospheric design. NASM (A-2168-B) Just 75 years ago, the Lockheed XC-35 ...

His latest ball-valve air engine was then designed to run on this lower regulated pressure of approximately 30 psi. It initially proved less efficient than his previous designs, but some ...