Longyun Engine
Longyun Engine
70 Ton Liquid Oxygen/Methane Rocket Engine
"Longyun" is the second large thrust, recyclable liquid rocket engine launched by Jiuzhou Yunjian. The "Longyun" engine has a sea-level design weight-to-weight ratio> 75, sea level thrust of 70 tons, vacuum version of thrust of 80 tons, and thrust adjustment The range is 30% ~ 110%. At present, the "Longyun" engine has completed the gas generator hot test evaluation and passed the customer review. It will complete the whole machine test evaluation in 2021 and will be officially launched into the aerospace market.
Ground thrust: 686.5kN
Vacuum thrust: 770.2kN
Ground specific impulse: 290s
Vacuum version specific impact: 350s
Engine weight : ≯880kg
The maximum swing angle of the engine: ± 8 °
Thrust adjustment range: 110% -30%
Ability to start multiple times in a single task: ≥3
Single working time: ≥200s
Repeated use times: ≥30
Contact Us
Add: 2nd Floor, Building 32, No. 109, Jinghai 3rd Road, Beijing Economic and Technological Development Zone
Phone: 010-67948968 / 9
Email: zhaopin@jzyjspace.com

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