This part is from Solid Propulsion Industries
cost:
1300
mass:
1.75
category:
none
TechRequired:
heavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>350.0, "atmo"=>90.0}, "propellant_ratios"=>{"SolidFuel"=>0.9, "Oxidizer"=>0.9}, "max_thrust"=>250.0}
