This part is from Contares REX Free Flyer
cost:
76
mass:
0.0125
category:
Engine
TechRequired:
advRocketry
engine_data:
standard
{"isp"=>{"vac"=>154.0, "atmo"=>118.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>10.0}
resources:
SolidFuel
4.0