This part is from US Rockets
cost:
40
mass:
0.0375
category:
Engine
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>200.0, "atmo"=>185.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>8.5}
resources:
SolidFuel
20.0