TH-11

Rocket engine
TH-11
Country of originChina
ManufacturerSpace Pioneer
StatusActive
Liquid-fuel engine
PropellantLOX / RP-1
Performance
Thrust, vacuum300 kilonewtons (67,000 lbf)
Thrust, sea-level257 kilonewtons (58,000 lbf)
Throttle range50%~110%
Thrust-to-weight ratio130
Chamber pressure10 MPa (1,500 psi)
Specific impulse, vacuum340.6s
Specific impulse, sea-level291.8s
Used in
Tianlong-2
References
Notes[1]

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

  1. ^ "天火-11 - 天火系列发动机 - 天兵科技". www.spacepioneer.cc. Space Pioneer. Retrieved 13 April 2023.
  2. ^ 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.
  3. ^ Beil, Adrian (7 April 2023). "Chinese Tianlong-2 successfully debuts from Jiuquan". NASASpaceFlight.com. Retrieved 13 April 2023.
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Rocket engines and solid motors for orbital launch vehicles
Liquid
fuel
Cryogenic
Hydrolox
(LH2 / LOX)
Methalox
(CH4 / LOX)
Semi-
cryogenic
Kerolox
(RP-1 / LOX)
Storable
Hypergolic (Aerozine,
UH 25, MMH, or UDMH
/ N2O4, MON, or HNO3)
Other
Solid
fuel
  • * Different versions of the engine use different propellant combinations
  • Engines in italics are under development
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