TH-11

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.^[2]

History

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]

References

^ "天火-11 - 天火系列发动机 - 天兵科技". www.spacepioneer.cc. Space Pioneer. Retrieved 13 April 2023.
^ ^a ^b "天兵科技液体火箭发动机全系统热试车圆满成功，突破我国航天多项首创技术". finance.sina.cn. Sina. 1 June 2021. Retrieved 13 April 2023.
^ Beil, Adrian (7 April 2023). "Chinese Tianlong-2 successfully debuts from Jiuquan". NASASpaceFlight.com. Retrieved 13 April 2023.

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[sp-official-spec-1] "天火-11 - 天火系列发动机 - 天兵科技". www.spacepioneer.cc. Space Pioneer. Retrieved 13 April 2023.

[system-test-2] "天兵科技液体火箭发动机全系统热试车圆满成功，突破我国航天多项首创技术". finance.sina.cn. Sina. 1 June 2021. Retrieved 13 April 2023.

[3] Beil, Adrian (7 April 2023). "Chinese Tianlong-2 successfully debuts from Jiuquan". NASASpaceFlight.com. Retrieved 13 April 2023.

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