This part is from Model Rocketry
cost:
300
mass:
0.0004
category:
Engine
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>240.0, "atmo"=>225.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>250.0}
resources:
SolidFuel
150.0