我国自主研发的240吨级可复用液体火箭发动机近日试车成功，标志着我国可重复使用运载器技术取得重大突破。该发动机采用液氧煤油推进剂，具备多次起动、大范围推力调节等能力，单次点火试车时长超过300秒，性能达到国际先进水平。其可复用设计将大幅降低航天发射成本，为未来火箭回收与重复使用奠定核心技术基础。此次成功试车不仅验证了发动机的可靠性，也为我国新一代载人运载火箭、大型可重复使用火箭研制提供了关键动力支撑，进一步提升了我国进入太空的能力与效率。
China’s independently developed 240-ton reusable liquid rocket engine recently achieved a successful test fire, marking a major breakthrough in the nation’s reusable launch vehicle technology. Utilizing liquid oxygen and kerosene as propellants, the engine features capabilities such as multiple ignitions and wide-range thrust modulation. The single test fire exceeded 300 seconds, demonstrating performance on par with international advanced standards. Its reusable design will significantly reduce space launch costs and lay the core technical foundation for future rocket recovery and reuse. This successful test not only verifies the engine’s reliability but also provides critical propulsion support for China’s next-generation manned launch vehicles and large reusable rockets, further enhancing the nation’s capacity and efficiency in accessing space.
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