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Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).
Motorjet engines provide greater thrust than a propeller alone mounted on a piston engine; this has been successfully demonstrated in a number of different aircraft. A jet engine also can provide thrust at higher speeds where a propeller becomes less efficient or even ineffective; in fact, a jet engine gains efficiency as speed rises, while a ...
A jet engine is a type of reaction engine, discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition may include rocket , water jet , and hybrid propulsion, the term jet engine typically refers to an internal combustion air-breathing jet engine such as a turbojet , turbofan ...
Spanish production would continue in 1948 with Hispano-Suiza partnered with ENASA for an order of 280 new 12Z-17s and 50 rebuilt 12Z-M. [3] Of the 70 incomplete engines from the prior order, ENASA delivered 12 12Zs by 1950 and converted 58 to 12Z-Ms. Due to poor reliability and schedule issues, the order for 280 engines was reduced to 100, and ...
Gas turbine engines, commonly called "jet" engines, could do that. The key to a practical jet engine was the gas turbine, used to extract energy from the engine itself to drive the compressor. The gas turbine was not an idea developed in the 1930s: the patent for a stationary turbine was granted to John Barber in England in 1791.
Free-piston engine; F. Free-piston linear generator; H. Humphrey pump; P. Pratt & Whitney PT1; S. Stelzer engine This page was last edited on 30 December 2013, at 15 ...
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One benefit of the He 280 which did impress Germany's political leadership was the fact that the jet engines could burn kerosene, a fuel that required much less expense and refining than the high-octane fuel used by piston-engine aircraft. However, government funding was lacking at the critical stage of initial development; the aviation author ...