This part is from KSP Interstellar Extended
cost:
2000
mass:
2
category:
Engine
TechRequired:
tremendousEfficiencyPropulsion
engine_data:
standard
{"isp"=>{"vac"=>1500.0, "atmo"=>1500.0}, "propellant_ratios"=>{"PolyvinylChloride"=>1.0}, "max_thrust"=>500.0}
resources:
WasteHeat
200000.0
ThermalPower
300.0
PolyvinylChloride
1000.0