This part is from KSP Interstellar Extended
cost:
350000
mass:
12
category:
none
TechRequired:
Unreachable
engine_data:
standard
{"isp"=>{"vac"=>4000.0, "atmo"=>0.0}, "propellant_ratios"=>{"LqdHydrogen"=>1.0}, "max_thrust"=>310.0}
resources:
ThermalPower
3000.0
WasteHeat
900000.0
UraniumNitride
25.0