Flying Dragon in the Sky | Longyun Liquid Oxygen-Methane Engine Successfully Completes Its First Flight and Recovery Mission!
Release Time:
2024-07-02
On June 23, 2024, the Longyun liquid oxygen-methane engine developed by Kyushu Cloud Arrow successfully completed a 10-km altitude flight-and-recovery test at the Jiuquan Dongfeng Launch Site. The test achieved complete success!
June 23, 2024, Jiuzhou Yunjian Longyun Liquid Oxygen-Methane Engine Completed at the Jiuquan Dongfeng Launch Site 10km Advanced flight-recovery test successfully completed!
1. Kyushu Yunjian Longyun Liquid Oxygen-Methane Engine Successfully Completed First First time domestically 10km Level Flight-Recovery Test
2. This experiment marks the first domestic application of flight and recovery for an engineering rocket, featuring the Longyun engine. Multi-unit parallel connection Participating in the trial in this manner is, by far, the closest approach yet. Orbital Launch The recycling experiment.
3. The Longyun engine participated in its first flight mission evaluation. During the flight, all parameters remained normal, and the engine successfully completed various maneuvers, including start-up/shutdown, oscillation, and thrust adjustment procedures. Schedule the opening at an opportune moment by the end of the year. Exhibition 75km Full-Profile Flight-Recovery Test Mission 。
Currently, the Longyun engine has completed the second phase of thrust enhancement, achieving sea-level thrust performance. 745kN , Sea-level specific impulse 293s , engine thrust-to-weight ratio > 100 The thrust enhancement work for the Longyun engine will continue.
Subsequently, Longyun Engine Will collaborate with private rocket companies in the second half of this year. Jianyuan Technology Carry out Flight over the Sea And Splash-Down Recovery Test 。
Recent News
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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Jiuzhou Yunjian | Longyun Vacuum Version Successfully Completes Series of Hot Tests!
Recently, the Longyun Engine Vacuum Version successfully passed a series of hot testing assessments!
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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!
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Jiuzhou Yunjian | Debuts at the 15th Zhuhai Airshow!
On November 17, the 15th China International Aviation & Aerospace Exhibition (hereinafter referred to as "Airshow") successfully concluded in Zhuhai. During the event, Kyushu Cloud Arrow showcased its Longyun engine, highlighting its innovative propulsion system for commercial aerospace applications.
2024-12-05
Jiuzhou Yunjian (Beijing) 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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