| Country of origin | China |
|---|---|
| Manufacturer | Space Pioneer |
| Status | Active |
| Liquid-fuel engine | |
| Propellant | LOX /RP-1 |
| Performance | |
| Thrust, vacuum | 300kilonewtons (67,000 lbf) |
| Thrust, sea-level | 257kilonewtons (58,000 lbf) |
| Throttle range | 50%~110% |
| Thrust-to-weight ratio | 130 |
| Chamberpressure | 10 MPa (1,500 psi) |
| Specific impulse, vacuum | 340.6s |
| Specific impulse, sea-level | 291.8s |
| Used in | |
| Tianlong-2 | |
| References | |
| Notes | [1] |
TheTH-11 (Chinese:天火-11;pinyin:Tiānhuǒ-11, lit.Sky Fire 11) is an oxidizer-richstaged combustion cyclerocket engine burningLOX andkerosene developed bySpace 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.[2]
Space Pioneer proposed the TH-11 engine for its Tianlong-2 launch vehicle. Full-system hot-fire tests were completed in June 2021.[2] The Tianlong-2 rocket successfully completed its maiden flight on April 2, 2023, achieving the targeted orbit. Powered by a single Tianhuo-11 engine in its second stage, this launch marked the engine's operational debut.[3]
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