Nature Reviews Materials ( IF 79.8 ) Pub Date : 2024-10-23 , DOI: 10.1038/s41578-024-00748-0 Charlotte Allard
An important engineering achievement was made during the fifth test flight of the SpaceX Starship rocket system, as the Super Heavy booster — responsible for launching the rocket into space — was successfully caught mid-air at the Texas launch pad. After completing its role, the booster separated from the upper stage to reduce weight, allowing Starship to continue its journey. Typically, rocket boosters are either discarded by burning up on re-entry or fall into the ocean, where recovery is challenging and costly. By contrast, the Super Heavy booster is designed to be recovered on land, making reusability far more practical. In the recent test, the booster re-ignited some of its engines to slow its descent and navigated back to the launch site, where it was caught by the launch tower’s giant mechanical arms. This approach to recovering the rocket’s booster marks a key advancement in developing fully reusable rockets, with the aim of reducing costs and turnaround times for future missions.
中文翻译:
火箭助推器的空中捕获转向可重复使用的火箭技术
在 SpaceX Starship 火箭系统的第五次试飞期间取得了一项重要的工程成就,因为负责将火箭发射到太空的 Super Heavy 助推器在德克萨斯州发射台成功捕获在半空中。完成其角色后,助推器与上级分离以减轻重量,让 Starship 继续它的旅程。通常,火箭助推器要么在重返大气层时燃烧殆尽,要么掉入海洋,在那里回收具有挑战性且成本高昂。相比之下,Super Heavy 助推器设计为在陆地上回收,使可重复使用性更加实用。在最近的测试中,助推器重新点燃了一些发动机以减慢其下降速度,并导航回发射场,在那里它被发射塔的巨大机械臂卡住了。这种回收火箭助推器的方法标志着开发完全可重复使用的火箭的关键进步,旨在降低未来任务的成本和周转时间。