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Waxwing was a British solid rocket motor used for apogee kick as the 3rd (upper) stage of the Black Arrow satellite launch vehicles. Waxwing was used to successfully place the Prospero X-3 satellite into low Earth orbit on 28 October 1971, Britain's only satellite launch on an indigenously-developed launch vehicle. Another use of Waxwing was to increase the velocity of test re-entry vehicles on Black Knight during tests for the Blue Streak missile. ==Design and development== Design was by the Rocket Propulsion Establishment (RPE) at Westcott and it was manufactured by Bristol Aerojet.〔("Point of the Arrow" ) FLIGHT International, 11 November 1971〕 The casing was spherical and the propellant grain used an internal star profile to control the initial burn rate. ;Specifications *Thrust: 3,000 kgf 0.27 tonnes 〔Black Arrow exhibit, Science Museum, London〕 *Specific impulse: 278 s *Burn time: 28 s 40 seconds 〔 *Dimensions:〔(【引用サイトリンク】url=http://www.spaceuk.org/ba/waxwing.gif )〕 * *Diameter: * *Overall length: * *Nozzle length: * *Nozzle diameter: 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「Waxwing (rocket motor)」の詳細全文を読む スポンサード リンク
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