Kyushu Yunjian | Longyun Engine's First Round Reliability Hot Test Evaluation Successfully Concludes
Release Time:
2023-07-07
Recently, the Longyun engine successfully completed its first round of reliability hot testing and evaluation. Currently, the cumulative test duration has exceeded 7,000 seconds.
Recently, the Longyun engine successfully completed its first round of reliability hot testing and evaluation. To date, the cumulative test duration has exceeded 7,000 seconds, with the longest single-engine test lasting 3,700 seconds.
During this round of testing, the measured minimum thrust cutoff of the Longyun engine was achieved. 215 kN, with thrust adaptation ranging from 32% to 106% (720 kN).
Key assessment items include the following:
- Engine Rated Long-Range Hot Test
- Engine Thermal Swing Test Run
- Hot-fire test of supercooled propellants
- Multiple Hot Test Runs
- Deep-Thrust Thermal Hot Test
- Thrust Pull-off Hot Test Run
- Phased Launch of Hot Testing
- Overload Thermal Test Run of the Pump
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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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