This part is from Soviet Rockets - R7/Proton/Zenit Rockets and more
cost:
850
mass:
3.2
category:
Propulsion
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>312.0, "atmo"=>230.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>120.0}
resources:
ElectricCharge
250.0
LiquidFuel
315.0
Oxidizer
385.0
MonoPropellant
75.0