YF-215

The YF-215 is a liquid cryogenic rocket engine burning liquid methane and liquid oxygen in a full-flow staged combustion cycle. The engine is currently under development and is designed to power the super-heavy launch vehicle Long March 9.

YF-215

Country of origin	China
Designer	Academy of Aerospace Liquid Propulsion Technology
Associated LV	Long March 9
Status	In development
Liquid-fuel engine
Propellant	LOX / CH4
Cycle	Full-flow staged combustion
Configuration
Chamber	1
Performance
Thrust, sea-level	2,000 kilonewtons (450,000 lbf)

History

The YF-215 engine has been designed to power the first stage of the Long March 9 rocket, with 26 of these engines in the first stage.^[1] A successful ignition test of the pre-combustion chamber and gas generator of the engine was conducted on 12 May 2023.^[2]