This part is from Far Future Technologies
cost:
670000
mass:
20
category:
Engine
TechRequired:
nuclearPropulsion
engine_data:
standard
{"isp"=>{"vac"=>215000.0, "atmo"=>190.0}, "propellant_ratios"=>{"FusionPellets"=>1.0, "ElectricCharge"=>318.90348}, "max_thrust"=>250.0}