YF-115
Type: Upper Stage Engine
Country of Origin: China
Manufacturer:
First Flight: September 20, 2015
Status: Active
Propellant (O/F): Liquid Oxygen/Kerosene
Mixture Ratio (O/F by mass): 2.5
Cycle: Staged Combustion
Chambers: 1
Thrust (vac.): 176.5 kN
Thrust (s.l.): 147.1 kN
Throttle:
ISP (vac.): 341.5 s
ISP (s.l.):
Chamber Pressure: 1700 psi
Nozzle Ratio:
Burn time:
Ignitions: 1
Mass:
Length: 2.325 m
Diameter: 0.946 m
Used in: Long March 6, Long March 7
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