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首页> 外文期刊>Aviation Week & Space Technology >Reusable Launch Vehicles: And Then There Were . . .
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Reusable Launch Vehicles: And Then There Were . . .

机译：可重复使用的运载工具：然后是。 。 。

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Tracking the development of reusable launch vehicles (RLVs) has become a rather easy endeavor these days. The dozen or so RLV programs that raised so much interest within the launch services and satellite industries a few years ago have faded. What's left is essentially NASA's Space Shuttle and the Orbital Space plane (OSP) that grew out of the delayed Space Launch Initiative (SLI), Kistler Aerospace's K-1, and a handful of shaky technology efforts, including XCOR of Mojave, Calif., Germany's Astra, Italy's Prora, France's Pre-X, and the European Space Agency's Future Launcher Technology Program (FLTP). It used to be that the development and flight testing of a few commercial RLVs could be projected within 5-10 years. This no longer seems realistic. There is simply not enough available investment capital to complete a commercial RLV. Part of this is due to the high risk associated with the concept. Another reason is that there do not appear to be enough customers to support the kind of business volume RLV companies would require to be profitable.
机译：如今，跟踪可重复使用运载火箭（RLV）的发展已变得相当容易。十几年前引起人们极大关注的发射服务和卫星行业的十几个RLV计划已经消失。剩下的基本上是NASA的航天飞机和轨道太空飞机（OSP），它是由延迟太空发射计划（SLI），奇石乐航空航天公司的K-1以及少数摇摇欲坠的技术成果（包括加利福尼亚Mojave的XCOR）发展而来的，德国的阿斯特拉（Astra），意大利的Prora，法国的Pre-X和欧洲航天局的未来发射器技术计划（FLTP）。过去，一些商用RLV的开发和飞行测试可能会在5-10年内进行。这似乎不再现实。根本没有足够的可用投资资本来完成商业RLV。部分原因是与该概念相关的高风险。另一个原因是，似乎没有足够的客户来支持RLV公司获利所需的业务量。

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