This part is from Solid Propulsion Industries
cost:
820
mass:
0.9
category:
Engine
TechRequired:
advRocketry
engine_data:
standard
{"isp"=>{"vac"=>305.0, "atmo"=>275.0}, "propellant_ratios"=>{"SolidFuel"=>0.9, "Oxidizer"=>0.9}, "max_thrust"=>120.0}
