This part is from KSP Interstellar Extended
cost:
20000
mass:
4
category:
Engine
TechRequired:
veryHighEfficiencyPropulsion
engine_data:
standard
{"isp"=>{"vac"=>290.0, "atmo"=>260.0}, "propellant_ratios"=>{"Aluminium"=>1.0, "LqdOxygen"=>6.0}, "max_thrust"=>1500.0}
