This part is from Knes
cost:
400
mass:
0.8
category:
Engine
TechRequired:
advRocketry
engine_data:
standard
{"isp"=>{"vac"=>275.0, "atmo"=>225.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>300.0}
resources:
SolidFuel
600.0