This part is from Soviet Rockets - R7/Proton/Zenit Rockets and more
cost:
500
mass:
0.001
category:
Propulsion
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>550.0, "atmo"=>450.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>1.0}
