TQ-11
| Country of origin | China | 
|---|---|
| Manufacturer | LandSpace | 
| Status | Active | 
| Liquid-fuel engine | |
| Propellant | LOX / CH4 | 
| Mixture ratio | 2.92 | 
| Cycle | Gas-generator cycle | 
| Configuration | |
| Nozzle ratio | 25.5 | 
| Performance | |
| Thrust, vacuum | 80 kilonewtons (18,000 lbf) | 
| Chamber pressure | 10.1 MPa (1,460 psi) | 
| Specific impulse, vacuum | 337s | 
| Dimensions | |
| Measurement | 1.1m | 
| Diameter | 0.28m | 
| Used in | |
| ZQ-2 | |
| References | |
| Notes | |
The TQ-11 (Chinese: 天鹊-11; pinyin: Tiānquè-11, lit. Sky Lark 11) is a gas-generator cycle rocket engine burning liquid methane and liquid oxygen developed by LandSpace. It is used as the second stage vernier engine for LandSpace's ZQ-2 rocket. The engine produces 80 kilonewtons (18,000 lbf) of thrust in a vacuum.