This part is from Flexo's SpaceX Interplanetary Transport System
cost:
3500
mass:
15
category:
Engine
TechRequired:
start
engine_data:
RaptorVACring
{"isp"=>{"vac"=>382.0, "atmo"=>295.0}, "propellant_ratios"=>{"LiquidFuel"=>0.79, "Oxidizer"=>1.21}, "max_thrust"=>21142.9}
