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Black Prince (rocket)
Black Prince was a proposed British-led satellite launch vehicle, based on the Blue Streak missile and the Black Knight test rocket.
==Original design==
The proposed design was put forward by Desmond King-Hele and Doreen Gilmour of the Royal Aircraft Establishment in 1957, and was later championed by the Blue Streak project manager, Dr Geoffrey Pardoe.
It was to be formed of a Blue Streak first stage, a Black Knight (or Black Arrow) second stage, and a military solid rocket as a third stage.〔(【引用サイトリンク】 title=Black Prince Project )〕
Payloads were estimated to be around 1,034 kg (2,280 lb) to a 370 km (200 nmi) orbit and 960 kg (2,117 lb) to a 740 km (400 nmi) orbit. However, the design was considered to be inefficient and difficult because of the large differences in the diameters of the 3 metre (10 ft) wide Blue Streak and the metre-wide (3 ft) Black Knight. Fitting satellites into a three foot payload fairing could also have been a challenge.〔Hill, p. 118〕 Nevertheless, these difficulties were also encountered with successful American rockets including the Thor and Atlas.〔Hill, p. 119〕
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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