Lingyun (rocket engine)

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. In 2021, the Lingyun engine completed multiple starts and deep variable thrust tests, demonstrating a breakthrough in reusability technology for the company.