This part is from US Rockets
cost:
840
mass:
0.87
category:
Payload
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>250.0, "atmo"=>230.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>8.2}
resources:
SolidFuel
0.42