This part is from Knes
cost:
420
mass:
0.78
TechRequired:
basicRocketry
engine_data:
standard
{"isp"=>{"vac"=>264.0, "atmo"=>238.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>148.0}
resources:
SolidFuel
300.0