This part is from Klockheed Martian
cost:
850
mass:
0.45
category:
Engine
TechRequired:
precisionEngineering
engine_data:
standard
{"isp"=>{"vac"=>320.0, "atmo"=>280.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>85.0}