This part is from AN-JPLV
cost:
80
mass:
0.015
category:
Engine
TechRequired:
start
engine_data:
standard
{"isp"=>{"vac"=>120.0, "atmo"=>120.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>7.8}
resources:
SolidFuel
12.5