This part is from KSP Interstellar Extended
cost:
400000
mass:
16
category:
Engine
TechRequired:
highPowerExoticNuclearPropulsion
engine_data:
standard
{"isp"=>{"vac"=>16000.0}, "propellant_ratios"=>{"FissionParticles"=>1.0}, "max_thrust"=>150.0}
resources:
FissionParticles
100.0
LithiumDeuteride
100.0
Megajoules
100.0
WasteHeat
8000.0