| Country of origin | China |
|---|---|
| Manufacturer | LandSpace |
| Status | In development |
| Liquid-fuel engine | |
| Propellant | LOX / CH4 |
| Mixture ratio | 3.6 (±8%) (adjustable) |
| Cycle | Full-flow staged combustion |
| Performance | |
| Thrust, vacuum | 2,366 kilonewtons (532,000 lbf) |
| Thrust, sea-level | 2,200 kilonewtons (490,000 lbf) |
| Throttle range | 40%~120% |
| Chamber pressure | 26 MPa (3,800 psi) |
| Specific impulse, vacuum | 353.16s |
| Specific impulse, sea-level | 328.47s |
| Used in | |
| ZQ-3 | |
| References | |
| Notes | |
The BF-20 (Chinese: 蓝焱-20; pinyin: Lányàn-20, lit. Blue Flame 20) is a full-flow staged combustion cycle rocket engine burning liquid methane and liquid oxygen under development by LandSpace.
History
In 2021, LandSpace initiated the development of BF-20 for its Zhuque-3 rocket. As of 2024, the technical design of the engine has been completed, and a hot fire test is scheduled for 2025, with the goal of achieving flight readiness by 2027.
References
- Zhang, Xiaoping; Zhou, Yaqiang; Wei, Yan (2023-01-17). "Current State of LOX/Methane Engine Development - 液氧甲烷发动机发展现状". d.wanfangdata.com.cn (1): 126–133. doi:10.3969/j.issn.1674-5825.2023.01.017. Retrieved 22 May 2024.
- Guo, Songjiao; Zhang, Yuhong (24 April 2024). "蓝箭样本：可重复使用火箭缘何选择液氧甲烷？". finance.sina.cn. Retrieved 22 May 2024.
- Jones, Andrew (19 January 2024). "China's Landspace conducts first VTVL test for reusable stainless steel rocket". SpaceNews. Retrieved 22 May 2024.
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