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The obvious way to do this was to use an additional turbine to extract energy from the jet and use this energy to drive a low-pressure compressor or fan capable of 'breathing' far more air than the jet engine itself and forcing this additional air rearwards as a 'cold jet'. The complete system is known as a 'turbofan'." The first embodiment was ...
He also invented [43] the idea of the "jet wing", in which air from the compressor of a jet engine is bled off to large "augmented" vents in the wings to provide lift for VTOL aircraft. A small amount of high-pressure air is blown into a venturi , which in turn sucks a much larger volume of air along with it, thus leading to "thrust augmentation".
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Frank Whittle, an English inventor and RAF officer, began development of a viable jet engine in 1928, [1] and Hans von Ohain in Germany began work independently in the early 1930s. In August 1939 the turbojet powered Heinkel He 178, the world's first jet aircraft, made its first flight. A wide range of different types of jet aircraft exist ...
Robert Goddard invented a pulsejet engine in 1931, and demonstrated it on a jet-propelled bicycle. [2] Engineer Paul Schmidt pioneered a more efficient design based on modification of the intake valves (or flaps), earning him government support from the German Air Ministry in 1933. [3]
The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a unique compressor bleed to the afterburner that gave increased thrust at high speeds.
Albert Fonó (born 2 July 1881 in Budapest, d. 21 November 1972 in Budapest), a Hungarian mechanical engineer who was one of the early pioneers of turbojet and ramjet propulsion and was first to patent a ramjet engine and a turbojet engine in 1928 (granted in 1932).
The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle . The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and a turbine (that drives the compressor).