YF-130

YF-130
Country of origin	China
Manufacturer	Academy of Aerospace Liquid Propulsion Technology
Application	Long March 9
Status	Under development
Liquid-fuel engine
Propellant	Liquid oxygen / Kerosene
Mixture ratio	2.62
Cycle	Staged combustion
Pumps	1
Configuration
Chamber	2
Performance
Thrust, sea-level	~5,000 kilonewtons (1,100,000 lbf)
Thrust-to-weight ratio	78
Chamber pressure	22 MPa (3,200 psi)
Specific impulse	308
Dimensions
Length	~4.3 m (14 ft)
Diameter	~3–3.3 m (9.8–10.8 ft)
Dry weight	~6.5 t (6.4 long tons; 7.2 short tons)
Used in
	Long March 9 First stage and booster
References
Notes

The YF-130 is a Chinese rocket engine fueled by LOX and kerosene in an oxidizer-rich staged combustion cycle currently in development. It has been designed to reach around 500 tonnes of thrust and it will power the super heavy Long March 9 rocket.^[3]

History

Chinese researchers completed a "half-system on full working condition" test of a YF-130 engine in March 2021, and expect to finish a whole-system test verification by the end of the year.^[4] Full system test has been successfully completed on November 6, 2022.^[5]

References

^ 李斌,陈晖,马冬英,高玉闪 (2022-01-03). "500tf级液氧煤油高压补燃发动机研制进展" (in Simplified Chinese). 《火箭推进》2022年02期. Retrieved 2022-06-09.{{cite web}}: CS1 maint: multiple names: authors list (link)
^ "以重型之力，夯强国之基｜深度解码我国最大推力液体火箭发动机" (in Simplified Chinese). 西安航天动力研究所. 2022-11-06. Retrieved 2022-11-06.
^ "China moves to next stage of super heavy rocket development". SpaceNews. 14 January 2021.
^ Zhen, Liu (23 December 2021). "China closes in on deep space ambitions with latest rocket engine test". South China Morning Post. Retrieved 13 March 2022.
^ Xin, Ling (6 November 2022). "Powerful Chinese space rocket engine passes 'milestone' test". South China Morning Post. Retrieved 23 November 2022.

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[1] 李斌,陈晖,马冬英,高玉闪 (2022-01-03). "500tf级液氧煤油高压补燃发动机研制进展" (in Simplified Chinese). 《火箭推进》2022年02期. Retrieved 2022-06-09.{{cite web}}: CS1 maint: multiple names: authors list (link)

[2] "以重型之力，夯强国之基｜深度解码我国最大推力液体火箭发动机" (in Simplified Chinese). 西安航天动力研究所. 2022-11-06. Retrieved 2022-11-06.

[3] "China moves to next stage of super heavy rocket development". SpaceNews. 14 January 2021.

[scmp-dec-2021-4] Zhen, Liu (23 December 2021). "China closes in on deep space ambitions with latest rocket engine test". South China Morning Post. Retrieved 13 March 2022.

[5] Xin, Ling (6 November 2022). "Powerful Chinese space rocket engine passes 'milestone' test". South China Morning Post. Retrieved 23 November 2022.

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