This part is from SM Aviation
cost:
600
mass:
0.35
category:
Propulsion
TechRequired:
start
engine_data:
standard
{"isp"=>{"vac"=>600.0, "atmo"=>600.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>40.0}
Cruise
{"isp"=>nil, "propellant_ratios"=>{"LiquidFuel"=>1.0, "IntakeAir"=>22.0}, "max_thrust"=>50.0}
resources:
IntakeAir
50.0
SolidFuel
20.0