This part is from History of Spaceflight RSS
cost:
200
mass:
0.7
category:
Engine
TechRequired:
orbitalRocketry1960
engine_data:
PrimaryMode
{"isp"=>{"vac"=>310.0, "atmo"=>250.0}, "propellant_ratios"=>{"Kerosene"=>1.0, "LqdOxygen"=>2.7}, "max_thrust"=>645.0}
