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The BMW 003 utilized nearly the same starting method as its slightly more powerful Jumo 004 competitor: one of Norbert Riedel's 10 PS flat-twin two-stroke engines, installed within the engine's intake diverter as a mechanical APU, to get the 003's central shaft rotating for operation. An American military-authored post-war review of the BMW 003 ...
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 chamber was a can-annular design. Based on experiences with Junkers' can-type chambers (Jumo 004) and BMW's annular-type chambers (BMW 003), this design choice was successfully applied already during the Soviet period. 12 burner cans and 60 air pockets (integrated into inner and outer wall) were used, along with several more air canals.
The BMW 003 that it was developed from provided only 7,800 N (1,800 lb f), less than a third of the Atar. The ATAR 101B introduced Nimonic turbine blades [ 2 ] and more stator blades as well as a number of changes to fix minor problems seen in the earlier experimental models.
The third and fourth prototypes, the Ju 287 V3 and V4, had six BMW 003s in a triple cluster under each wing, and featured the all-new fuselage and tail design intended for the production bomber, the Ju 287A-1, utilizing a pressurised cockpit used on the Junkers Ju 288. The Ju 287 V5 and V6 were similar but had tail armament, full operational ...
The Hs 132B was to have been powered by a single Junkers Jumo 004 engine in place of the BMW 003; it also would have added a pair of 20 mm (0.79 in) MG 151/20 cannons. The HS 132C was a more extensively modified version that was intended for bomber interception; it featured the larger Heinkel HeS 011 engine, two 20 mm (0.79 in) 151/20s and two ...
It was produced in Victoria in Nuremberg and served as a starter for the operational German Junkers Jumo 004 and BMW 003 jet engines, placed on the centreline of each of these, and was also meant for use on the Heinkel HeS 011 experimental jet engine, but relocated above the intake passage within a Heinkel-designed prefabricated sheet metal ...
The Jumo 004 had a large area for starting to prevent overheating the turbine and a smaller area for take-off and flight to give higher exhaust velocity and thrust. The 004's Zwiebel possessed a 40 cm (16 in) range of forward/reverse travel to vary the exhaust nozzle area, driven by an electric motor-driven mechanism within the body's divergent ...