This part is from Far Future Technologies
cost:
670000
mass:
10
category:
Engine
TechRequired:
nuclearPropulsion
engine_data:
AIMReactor
{"isp"=>{"vac"=>115000.0, "atmo"=>5.0}, "propellant_ratios"=>{"Antimatter"=>0.028, "LqdDeuterium"=>1.0, "LqdHe3"=>4.0}, "max_thrust"=>45.0}