500s of increased thrust! Lingyun Engine Completes Long-Duration Hot Test at 110% Operating Condition.
Release Time:
2021-08-02
Recently, the "Lingyun" 10-ton-class liquid oxygen-methane engine developed by Jiuzhou Yunjian successfully completed a 500-second long-duration thermal test at a thrust level of 11 tons. To date, the Lingyun engine has undergone dozens of ignition tests, accumulating thousands of seconds of thermal testing and evaluation. Notably, the engine's measured thrust adjustment range has reached an impressive 30% to 110%.
Recently, Kyushu Cloud Arrow's "Lingyun" 10-ton-class liquid oxygen-methane engine successfully completed a 500-second long-duration thermal test with a thrust of 11 tons.
To date, the Lingyun engine has completed dozens of start-up tests and accumulated thousands of seconds of hot-fire assessments. The measured thrust adjustment range of the Lingyun engine has reached 30% to 110%.
Recent News
Jiuzhou Yunjian | The sea splashdown recovery engine successfully completed its hot swing test.
This test marks the first domestic instance of re-igniting a sea-state recovery engine, demonstrating the Longyun engine’s adaptability to offshore splashdown and laying an important foundation for exploring new pathways in rocket recovery and reuse technology.
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On May 29, 2025, at 4:40 a.m., the Longyun liquid oxygen-methane engine developed by Kyushu Cloud Arrow successfully completed its sea-state flight recovery test at the Dongfang Spaceport in Haiyang, Shandong. The test achieved complete success!
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2025-06-17
At 9:30 a.m. on April 30, Anhui Province held a grand ceremony in Hefei to celebrate the "May Day" holiday and honor recipients of the Provincial May Day Labor Awards and Worker Pioneer Titles, presenting medals and certificates of honor to the distinguished individuals and teams. Comrades Huang Shiqi and Hu Zhiqiang from Jiuzhou Yunjian were awarded the "Anhui Provincial May Day Labor Medal."
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The Longyun Engine Vacuum Version (LY-70V) has successfully completed a cumulative thermal test run lasting over 1,000 seconds, marking a complete success for the series of test trials!
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After evaluation by the Leading Group for the Bengbu Dayu Talent Selection Program, Huang Shiqi, Co-founder of Jiuzhou Yunjian, has been honored with the title of "Dayu Talent" Innovation Leader in the third batch of Bengbu City's talent program!
2025-03-27
Jiuzhou Yunjian Space Technology Co., Ltd. is a national high-tech enterprise integrating liquid rocket engine design and development, assembly and testing, as well as comprehensive end-to-end flight support services.
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