This part is from Rusty Star Rockets
cost:
8000
mass:
0.4
category:
Engine
TechRequired:
ionPropulsion
engine_data:
Ion
{"isp"=>{"vac"=>4200.0, "atmo"=>100.0}, "propellant_ratios"=>{"ElectricCharge"=>3.0, "RadonGas"=>0.1}, "max_thrust"=>6.0}
