This part is from US Probes Pack - Old and New
cost:
100
mass:
0.004
category:
Propulsion
TechRequired:
engineering101
engine_data:
standard
{"isp"=>{"vac"=>360.0, "atmo"=>260.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>0.3}
resources:
SolidFuel
0.15
