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The company was formed by Carl Goldberg (1912-1985) in 1955. [1]Carl Goldberg Models manufactures radio-controlled (RC) aircraft and components. This company was purchased by Great Planes Model Manufacturing on August 24, 2007.
Great Planes Model Manufacturing Company of Champaign, Illinois, United States, was a radio-controlled model manufacturer and distributor and a part of Hobbico, ...
Turbo generators are used for high shaft rotational speeds, typical of steam and gas turbines. The rotor of a turbo generator is a non-salient pole type usually with two poles. [5] The normal speed of a turbo generator is 1500 or 3000 rpm with four or two poles at 50 Hz (1800 or 3600 rpm with four or two poles at 60 Hz).
The compressed air can be supplied from an on-board auxiliary power unit (APU), a portable gas generator used by ground crew or by cross feeding bleed air from a running engine in the case of multi-engined aircraft. [19] The Turbomeca Palouste gas generator was used to start the Spey engines of the Blackburn Buccaneer.
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General Electric Company, doing business as GE Aerospace, [4] is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati.It is the legal successor to the original General Electric Company founded in 1892, which split into three separate companies between November 2021 and April 2024, adopting the trade name GE Aerospace after divesting its healthcare ...
The engine series are all four-cylinder four-stroke, horizontally-opposed, air-cooled, Volkswagen automotive conversion gasoline engines, with direct-drive. They employ magneto ignition systems and, depending on the model, produce 55 to 80 hp (41 to 60 kW) at 3600 rpm, with a compression ratio of 8.0:1.
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.