| 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 | [1] |
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.[2][3][4] The engine produces 80 kilonewtons (18,000 lbf) of thrust in a vacuum.[1]