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・ Siemens-Schuckert D.I
・ Siemens-Schuckert D.III
・ Siemens-Schuckert D.IV
・ Siemens-Schuckert D.VI
・ Siemens-Schuckert DDr.I
・ Siemens-Schuckert Dr.I
・ Siemens-Schuckert E.I
・ Siemens-Schuckert Forssman
・ Siemens-Schuckert L.I
・ Siemens-Schuckert Orenstein & Koppel
・ Siemens-Schuckert R.I
・ Siemens-Schuckert R.II
・ Siemens-Schuckert R.III
・ Siemens-Schuckert R.IV
・ Siemens-Schuckert R.V
Siemens-Schuckert R.VI
・ Siemens-Schuckert R.VII
・ Siemens-Schuckert R.VIII
・ Siemensdamm (Berlin U-Bahn)
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Siemens-Schuckert R.VI : ウィキペディア英語版
Siemens-Schuckert R.VI
__NOTOC__

The Siemens-Schuckert R.VI was a bomber aircraft built in Germany during World War I.〔Taylor 1989, p.808〕〔''The Illustrated Encyclopedia of Aircraft'', p.2920〕 It was one of six aircraft based on the Siemens-Schuckert R.I that were originally intended to be identical, but which each developed in a different direction and were designated as different aircraft types by the German Inspectorate of Flying Troops (the Idflieg).〔Haddow & Grosz 1963, p.184〕 Development of the R.VI benefited from the experience that Siemens-Schuckert and the ''Idflieg'' had gained with the R.II, R.III, and R.IV, particularly in its choice of powerplants, where the R.VI was spared from the troublesome Maybach HS engine.〔 The R.VI was the first of the Siemens-Schuckert R-type aircraft to reach service,〔 and between July 1916 and November 1917 saw service on the Eastern Front before it was declared obsolete and dismantled.〔Haddow & Grosz 1963, p.194〕
==Design and development==
As designed, the R.VI was a large three-bay biplane with unstaggered wings of unequal span and a fully enclosed cabin.〔Haddow & Grosz 1963, p.175〕 Three 180-kW (240-hp) Maybach HS engines were mounted internally in the fuselage, and transmitted their power via driveshafts to two propellers mounted tractor-fashion on the interplane struts nearest the fuselage.〔Haddow & Grosz 1963, p.174〕 The main undercarriage consisted of divided units, each of which carried dual wheels, and the tail was supported by a pair of tailwheels.〔 The fuselage was forked into an upper and lower section, which allowed a clear field of fire to the rear of the aircraft.〔 The Maybach engines had been a never-ending source of trouble on the R.II, R.III, and R.IV, and by June 1916, Siemens-Schuckert had obtained permission from the ''Idflieg'' to substitute Benz Bz.IV engines on the R.III〔Haddow & Grosz 1963, p.186–87〕 The firm made the same change on the R.VI, which was under construction at the time.〔 The fuselage was modified to accommodate the new powerplant, and an extra bay was added to the wings, increasing their span.〔 Upon completion, designer Bruno Steffen piloted the R.VI on a test flight in which the aircraft carried a 2,400-kg (5,300-lb) load for six hours,〔 a world record at the time, but one which was never publicised due to the war.〔
Despite this remarkable flight, the R.VI did not meet the specifications issued by the ''Idflieg'' in its contract with Siemens-Schuckert. Therefore, the ''Idflieg'' opted to relax the original specifications somewhat and complete the purchase of the aircraft.〔Haddow & Grosz 1963, p.192〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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