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The Junkers Jumo 109-012, known colloquially post-war as Jumo 012, was a turbojet engine under development in Germany during the Second World War.In essence, it was a scaled up version of the Jumo 004 (the Jumo 004 had already reached serial production by 1944).
Junkers EFo 012, four-engine jet bomber; Junkers EFo 015, improved EFo 012; Junkers EFo 017, twin-engine jet fighter (similar to Me 262) Junkers EFo 018, four-engine jet bomber, engines under wing; Junkers EFo 019, twin-engine jet bomber, engines integrated into wing; Junkers EFo 021, 40-passenger double-deck trans-Atlantic airliner project, 1938.
Six Junkers Jumo 012 jet engines, each of which developed 24.5 kN (5,500 lbf) of thrust, were buried in the wing roots. Wind tunnel results showed the advantages of having the engines within the wing, rather than causing drag by being mounted below the wing surfaces.
It was designed as a single-shaft, single-flow turbojet. The basic conception was a further development of the design already applied with high perfection on Junkers Jumo 004 and Junkers Jumo 012, as well as the BMW 003 and BMW 018 engines. In this design, the compressor, combustion chamber and turbine are traversed in axial direction by the ...
The Jumo 211 became the major bomber engine of the war, in no small part due to Junkers also building a majority of the bombers then in use. Of course, since it was the Luftwaffe that selected the final engine to be used after competitive testing on prototypes (such as the Dornier Do 217 ), there is certainly more to it.
Junkers Jumo 012; J. Junkers Jumo 004; Junkers Jumo 204; Junkers Jumo 205; Junkers Jumo 210; Junkers Jumo 211; Junkers Jumo 213; Junkers Jumo 222; Junkers Jumo 223; L ...
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
The Junkers Jumo 213 was a World War II-era V-12 liquid-cooled aircraft engine, a development of Junkers Motoren's earlier design, the Jumo 211.The design added two features, a pressurized cooling system that required considerably less cooling fluid which allowed the engine to be built smaller and lighter, and a number of improvements that allowed it to run at higher RPM.