This part is from Far Future Technologies
cost:
252000
mass:
21.25
category:
Engine
TechRequired:
nuclearPropulsion
engine_data:
MediumDensity
{"isp"=>{"vac"=>75250.0, "atmo"=>190.0}, "propellant_ratios"=>{"Antimatter"=>0.025, "LqdHydrogen"=>1.0, "ElectricCharge"=>55.05438482}, "max_thrust"=>190.0}
HighDensity
{"isp"=>{"vac"=>9550.0, "atmo"=>190.0}, "propellant_ratios"=>{"Antimatter"=>0.001, "LqdHydrogen"=>1.0, "ElectricCharge"=>1.525889142}, "max_thrust"=>870.0}