This part is from RocketMotorMenagerie
cost:
30000
mass:
1.4
TechRequired:
veryHeavyRocketry
engine_data:
ssme150Engine
{"isp"=>{"vac"=>460.0, "atmo"=>200.0}, "propellant_ratios"=>{"LqdHydrogen"=>1.5, "Oxidizer"=>0.1}, "max_thrust"=>575.0}
