This part is from Klockheed Martian
cost:
720
mass:
0.75
category:
Engine
TechRequired:
precisionEngineering
engine_data:
standard
{"isp"=>{"vac"=>340.0, "atmo"=>230.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>75.0}