This part is from Solid Propulsion Industries
cost:
400
mass:
0.09
category:
Engine
TechRequired:
precisionPropulsion
engine_data:
standard
{"isp"=>{"vac"=>290.0, "atmo"=>250.0}, "propellant_ratios"=>{"SolidFuel"=>0.9}, "max_thrust"=>16.0}