This part is from M.O.T.H.S.
cost:
8250
mass:
2.125
category:
Engine
TechRequired:
aerospaceTech
engine_data:
ClosedCycle
{"isp"=>{"vac"=>310.0, "atmo"=>285.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>195.0}
AirBreathing
{"isp"=>nil, "propellant_ratios"=>{"LiquidFuel"=>1.0, "IntakeAir"=>5.9}, "max_thrust"=>120.0}