This part is from Solid Propulsion Industries
cost:
6000
mass:
2.0
category:
Engine
TechRequired:
aerospaceTech
engine_data:
SolidFuelOnly
{"isp"=>{"vac"=>305.0, "atmo"=>275.0}, "propellant_ratios"=>{"SolidFuel"=>0.9}, "max_thrust"=>180.0}
Air+SolidFuel
{"isp"=>nil, "propellant_ratios"=>{"IntakeAir"=>6.0, "SolidFuel"=>1.0}, "max_thrust"=>105.0}
