Lingyun (rocket engine) explained

Lingyun (rocket engine) should not be confused with Longyun (rocket engine).

Lingyun
Status:Under development
Throttle Range:30%~100%
Type:Liquid
Thrust(Vac):123.5kN
Thrust(Sl):100kN
Specific Impulse Vacuum:355s
Specific Impulse Sea Level:287.4s
Dry Weight:248kg (547lb)
Notes:[1]

The Lingyun (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]

Notes and References

  1. Web site: Lingyun Engine JiuZhou Cloud Arrow (Beijing) Space Technology Co., Ltd. . en.jzyjspace.com.
  2. Web site: 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 . 15 March 2024 . zh.
  3. Web site: 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 . 15 March 2024 . 2021-03-05 . zh.