This part is from RealEngines
cost:
1000
mass:
1.355
category:
Engine
TechRequired:
basicRocketry
engine_data:
standard
{"isp"=>{"vac"=>325.0, "atmo"=>274.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>550.0}
