Lingyun (rocket engine)

Not to be confused with Longyun (rocket engine).

Lingyun

Country of origin	China
Manufacturer	Jiuzhou Yunjian
Status	Under development
Liquid-fuel engine
Propellant	LOX / CH4
Performance
Thrust, vacuum	123.5 kilonewtons (27,800 lbf)
Thrust, sea-level	100 kilonewtons (22,000 lbf)
Throttle range	30%~100%
Specific impulse, vacuum	355s
Specific impulse, sea-level	287.4s
Dimensions
Dry mass	248 kg (547 lb)
References
Notes	[1]

The Lingyun (Chinese: 凌云; pinyin: Língyún, lit. Soaring above the clouds) is a gas-generator cycle rocket engine burning liquid methane and liquid oxygen under development by Jiuzhou Yunjian.

History

In 2018, Jiuzhou Yunjian's Lingyun engine successfully passed tests for its gas-generator, ignitor, and valves.[2] In 2021, the Lingyun engine completed multiple starts and deep variable thrust tests, demonstrating a breakthrough in reusability technology for the company.[3]

References

1. "Lingyun Engine JiuZhou Cloud Arrow (Beijing) Space Technology Co., Ltd". en.jzyjspace.com.
2. "火炬式电点火系统点火试验后，「九州云箭」"凌云"液体火箭发动机副系统通过长程试车考核". www.sohu.com (in Chinese). Retrieved 15 March 2024.
3. "回收技术再突破！九州云箭"凌云"发动机完成多次启动+深度变推力二合一试车". sd.sina.cn (in Chinese). 2021-03-05. Retrieved 15 March 2024.