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Parsons Marine Steam Turbine Company was a British engineering company based in Wallsend, North England, on the River Tyne. ==History== The company was founded by Charles Algernon Parsons in 1897 with £500,000 of capital, and specialised in building the steam turbine engines that he had invented for naval use.〔(Chronology of Charles Parsons Life )〕 The first ship to use a Parsons propulsion system was ''Turbinia'', launched in 1894;〔(HMS Glamorgan: History )〕 the successful demonstration of this vessel led to the setting up the company and the subsequent construction of the engines for the first two turbine-powered destroyers for the Navy, and , which were launched in 1899. Although both these vessels came to grief, the new engines were not to blame, and the Admiralty was convinced. His son became a director in the company and was replaced during the First World War by his daughter Rachel Parsons. The Royal Navy's first turbine powered battleship, , used turbines made by Parsons and the 31,000 ton Cunard express passenger liners and were equipped with turbine engines made by Parsons. used four direct-drive Parsons turbines. The turbines were designed to produce a total of 34,000 shaft horsepower (25,000 kW), but only achieved 33,376 shp (24,888 kW) during Arizona's sea trials, when she met her designed speed of 21 knots (39 km/h; 24 mph).〔Breyer, Siegfried (1973). Battleships and Battle Cruisers, 1905–1970. Garden City, New York: Doubleday. OCLC 702840. p. 214. 〕 The Royal Navy, along with the Royal Canadian Navy, and Royal Australian Navy, used Parsons turbines on their destroyers. The s all used propulsion systems manufactured by the company. The last ship to use a Parsons propulsion system was launched in 1964.〔 The company was absorbed into C. A. Parsons and Company and survives in the Heaton area of Newcastle as part of Siemens, a German industrial conglomerate. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Parsons Marine Steam Turbine Company」の詳細全文を読む スポンサード リンク
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