This part is from Flexo's SpaceX Interplanetary Transport System
cost:
3500
mass:
15
category:
Engine
TechRequired:
start
engine_data:
RaptorSLring
{"isp"=>{"vac"=>361.0, "atmo"=>334.0}, "propellant_ratios"=>{"LiquidFuel"=>0.79, "Oxidizer"=>1.21}, "max_thrust"=>45999.8}
