Longyun (rocket engine)

"Longyun" redirects here. For the Chinese politician, see Long Yun.
Not to be confused with Lingyun (rocket engine).
Longyun
Country of originChina
ManufacturerJiuzhou Yunjian
StatusActive
Liquid-fuel engine
PropellantLOX / CH4
Performance
Thrust, vacuum770.2 kilonewtons (173,100 lbf)
Thrust, sea-level686.5 kilonewtons (154,300 lbf)
Throttle range30%~100%
Specific impulse, vacuum350s
Specific impulse, sea-level290s
Dimensions
Dry mass880 kg (1,940 lb)
Used in
Long March 12A
References
Notes

The Longyun (Chinese: 龙云; pinyin: Lóngyún, lit. Dragon Clouds) is a gas-generator cycle rocket engine burning liquid methane and liquid oxygen developed by Jiuzhou Yunjian.

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