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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 essentially ...
During the Second World War, he developed a starter engine ("Riedel starter") for the first German jet engine-powered combat aircraft's powerplants. The starter system, which consisted of a Riedel 10 hp (7.5 kW) two-stroke flat engine hidden in the intake, essentially functioned as a pioneering example of an auxiliary power unit (APU) for ...
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.
M-497 continued to serve for Penn Central after the jet engines were removed until retirement by Conrail in 1977. [ 3 ] [ 4 ] The engines were re-used as X29493, an experimental snow blower . [ 6 ] Like most similar jet engine blowers, it was effective at clearing snow and ice but also tended to dislodge the ballast .
Usually, an auxiliary power unit is used to start the engines. It has a starter motor which has a high torque transmitted to the compressor unit. When the optimum speed is reached, i.e. the flow of gas through the turbine is sufficient, the turbines take over. There are a number of different starting methods such as electric, hydraulic ...
A cordless electric blower can clear a path up to 2 feet wide through as much as 20 inches of snow. They’re also easier to start, require less maintenance, and run relatively quiet, all without ...