RD-120
Type: Upper Stage Engine
Country of Origin: Soviet Union
Manufacturer: Yuzhmash
First Flight:
Status: Active
Propellant (O/F): Liquid Oxygen/Kerosene
Mixture Ratio (O/F by mass):
Cycle: Staged Combustion
Chambers: 1
Thrust (vac.): 834 kN; 912 kN (uprated)
Thrust (s.l.):
Throttle: none
ISP (vac.): 350 s
ISP (s.l.):
Chamber Pressure: 2360 psi; 2583 psi (uprated)
Nozzle Ratio:
Burn time: 315 s
Ignitions: 1
Mass: 1125 kg
Length: 3.87 m
Diameter: 1.95 m
Used in: Zenit-2, Zenit-3SL
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