This part is from bluesteel
cost:
1050
mass:
0.45
TechRequired:
highAltitudeFlight
engine_data:
ClosedCycle
{"isp"=>{"vac"=>460.0, "atmo"=>350.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>65.0}
AirBreathing
{"isp"=>nil, "propellant_ratios"=>{"IntakeAir"=>6.0, "LiquidFuel"=>1.0}, "max_thrust"=>45.0}
