This part is from Solid Propulsion Industries
cost:
5300
mass:
3
category:
Engine
TechRequired:
heavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>320.0, "atmo"=>280.0}, "propellant_ratios"=>{"SolidFuel"=>0.9}, "max_thrust"=>650.0}
