TH-11

Rocket engine

TH-11Country of origin| China

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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| [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[edit]

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[edit]

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.

* v
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Rocket engines and solid motors for orbital launch vehicles

* Comparison of orbital rocket engines

Liquid
fuel|

| Cryogenic|

| Hydrolox
(LH2 / LOX)|

* China
* YF-73
* YF-75
* YF-75D
* YF-77
* YF-79
* YF-90
* Europe
* HM7B
* Vinci
* Vulcain
* India
* CE-7.5
* CE-20
* Japan
* LE-5
* LE-7
* LE-9
* Russia
* KVD-1 (RD-56)
* RD-0120
* RD-0146
* USA
* BE-3U
* BE-7
* J-2
* RL10
* RS-25
* RS-68

|

Methalox
(CH4 / LOX)|

* China
* TQ-11
* TQ-12
* TQ-15A
* USA
* BE-4
* Raptor
* Archimedes
* Aeon 1
* Aeon R
* Russia
* RD-0169
* Europe
* Prometheus
* M-10

Semi-
cryogenic|

| Kerolox
(RP-1 / LOX)|

* China
* TH-11
* TH-12
* YF-100
* YF-102
* YF-115
* YF-130
* Welkin
* India
* SCE-200
* Russia
* NK-15
* NK-33, 44
* RD-58
* RD-0105, 0109
* RD-0107, 0108, 0110
* RD-0110R
* RD-0124
* RD-107, 108, 117, 118
* RD-120
* RD-170, 171
* RD-180
* RD-191, 151, 181
* RD-193
* S1.5400
* Spain
* TEPREL
* Ukraine
* RD-8
* RD-801
* RD-810
* USA
* F-1
* H-1
* Kestrel
* LR-79
* LR-89
* LR-105
* LR70-NA , S-3D
* Merlin
* RS-27
* RS-27A
* RS-56
* S-3D
* Rutherford
* XLR50

|

Storable|

| Hypergolic (Aerozine,
UH 25, MMH, or UDMH
/ N2O4, MON, or HNO3)|

* China
* YF-1, 2, 3
* YF-20, 21, 22, 24, 25
* YF-23
* YF-40
* YF-50D
* Europe
* Aestus
* Astris
* Vexin
* Viking
* India
* PS4
* Vikas
* Israel
* LK-4
* North Korea
* Paektusan LRE along other LREs
* Russia
* 17D61
* RD-0202 to 0206, 0208 to 0213
* RD-0207, 0214
* RD-0216, 0217, 0235
* RD-0233, 0234
* RD-0236
* RD-0237
* RD-0243 to 0245
* RD-0255 to 0257
* RD-215 to 219
* RD-250 to 252, 261, 262
* RD-253, 275
* RD-263, 268, 273
* RD-270
* S5.92
* S5.98M
* Ukraine
* RD-843
* RD-854, 861
* RD-855
* RD-856
* RD-864, 869
* USA
* AJ10
* LR-87
* LR-91
* TR-201
* XLR81*

|

Other|

* Russia
* RD-109, 119
* RD-211 to 214
* UK
* Gamma
* USA
* Curie
* XLR81*

Solid
fuel|

* China
* FG-02
* FG-36
* FG-46
* FG-47
* SpaB-65
* SpaB-140C
* Europe
* Mage 1
* P-4
* P-6
* PAP
* P80
* P120
* P230
* Topaze
* Waxwing
* Zefiro 9
* Zefiro 23
* Zefiro 40
* India
* S7
* S9
* S12
* S139
* S200
* Iran
* Salman
* Rafe
* Israel
* LK-1
* RSA-3
* Japan
* KM-V1
* KM-V2b
* M-14
* M-24
* M-34
* M-34c
* SRB-A
* USA
* AJ-60A
* Algol
* Castor 30
* GEM
* Orbus-6
* Orbus-21
* Orion
* Space Shuttle SRB
* Star 37
* Star 48
* UA120
* SRMU
* X-248
* X-254

* * Different versions of the engine use different propellant combinations
* Engines in italics are under development

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