TH-11
| Country of origin | China | 
|---|---|
| Manufacturer | Space Pioneer | 
| Status | Active | 
| Liquid-fuel engine | |
| Propellant | LOX / RP-1 | 
| Performance | |
| Thrust, vacuum | 300 kilonewtons (67,000 lbf) | 
| Thrust, sea-level | 257 kilonewtons (58,000 lbf) | 
| Throttle range | 50%~110% | 
| Thrust-to-weight ratio | 130 | 
| Chamber pressure | 10 MPa (1,500 psi) | 
| Specific impulse, vacuum | 340.6s | 
| Specific impulse, sea-level | 291.8s | 
| Used in | |
| Tianlong-2 | |
| References | |
| Notes | |
The TH-11 (Chinese: 天火-11; pinyin: Tiānhuǒ-11, lit. Sky Fire 11) is an oxidizer-rich staged combustion cycle rocket engine burning LOX and kerosene developed by Space Pioneer. The TH-11 engine features a reusable design, staged combustion cycle, wide usage of 3D printed components (>80%), and short development time, making it a notable achievement within the Chinese commercial space industry.