This part is from ATK Propulsion Pack
cost:
400
mass:
0.35
category:
Engine
TechRequired:
basicRocketry
engine_data:
Star48B
{"isp"=>{"vac"=>270.0, "atmo"=>255.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>35.0}
resources:
SolidFuel
70.0