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The Junkers Jumo 004 was the world's first production turbojet engine in operational use, and the first successful axial compressor turbojet engine. Some 8,000 units were manufactured by Junkers in Germany late in World War II, powering the Messerschmitt Me 262 fighter and the Arado Ar 234 reconnaissance/bomber, along with prototypes, including the Horten Ho 229.
The first German jet engines built during the Second World War used a mechanical APU starting system designed by the German engineer Norbert Riedel.It consisted of a 10 horsepower (7.5 kW) two-stroke flat engine, which for the Junkers Jumo 004 design was hidden in the engine nose cone, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.
An interesting feature of all three German jet engine designs that saw production of any kind before May 1945 (the German BMW 003, Junkers Jumo 004 and Heinkel HeS 011 axial-flow turbojet engine designs) was the starter system, which consisted of a Riedel 10 hp (7.5 kW) flat twin two-stroke air-cooled engine hidden in the intake, and ...
109-004 Junkers Jumo 004 turbojet; 109-005 Porsche 005 short-lifespan cruise missile engine; 109-006 Junkers/Heinkel 006; 109-007 Daimler-Benz 007; 109-011 Heinkel HeS 011, key late-war German development turbojet (only 19 examples built) 109-012 Junkers 012 – developed into the Kuznetsov NK-12 turboprop engine; 109-014 Argus As 014 pulsejet
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Anselm Franz (January 21, 1900 [1] —November 18, 1994) was a pioneering Austrian jet engine engineer known for the development of the Jumo 004, the world's first mass-produced turbojet engine by Nazi Germany during World War II, [2] and his work on turboshaft designs in the United States after the war as part of Operation Paperclip, including the Lycoming T53, [2] the Honeywell T55, [3] the ...
Initially, Junkers proposed modifications of the Jumo 004, specifically the 109-004G and 109-004H. However, these variants were rejected as they were not powerful enough, and Junkers began to design the 109-012. [1] The engine was to feature an 11-stage axial compressor enclosed in a sheet-steel casing and a 2-stage, air-cooled turbine.