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Bristol Spaceplanes (BSP) is a British aerospace company based in Bristol, England, who have designed a number of spaceplanes with sub-orbital and orbital capabilities. The company's stated goal is "to realise low-cost access to space", primarily through reusable launch vehicles, claiming the cost of human space travel has the potential to be reduced by a factor of 1,000. ==History== The company was founded in 1991 by David Ashford and has received three feasibility grants in 1993, 2003 and 2011 for the Ascender and Spacecab projects.〔 A scaled down radio-controlled version of the Ascender spaceplane was successfully flown in 1998. In September 2014 the firm launched a crowdfunding campaign to aid in the development of Ascender, aiming to raise £150,000.〔(Bristol firm enters commercial space race ) ''Daily Telegraph'' 23 February 2014〕 In late 2014, the company was conducting bench testing of rocket engine designs for Ascender and is seeking funding to build a working model via crowdfunding. Throughout the lifetime of the company David Ashford has released a number of published books and papers based around the Aerospace industry and the exploration of Space. 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「Bristol Spaceplanes」の詳細全文を読む スポンサード リンク
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