This part is from Space Shuttle Pack
cost:
2700
mass:
4.5
category:
Propulsion
TechRequired:
heavyRocketry
engine_data:
ClosedCycle
{"isp"=>{"vac"=>275.0, "atmo"=>250.0}, "propellant_ratios"=>{"LiquidFuel"=>0.45, "Oxidizer"=>0.55}, "max_thrust"=>2400.0}
resources:
LiquidFuel
2200.0
Oxidizer
4000.0