This part is from VM Vollmetall Alternative Propulsion System
cost:
800
mass:
0.5
category:
Engine
TechRequired:
start
engine_data:
Ion
{"isp"=>{"vac"=>203943.2426, "atmo"=>203943.2426}, "propellant_ratios"=>{"ReactorPower"=>4.0}, "max_thrust"=>800.0}