This part is from Working Underwater Lite
cost:
450
mass:
0.0025
category:
Engine
TechRequired:
aviation
engine_data:
Cruise
{"isp"=>{"vac"=>2.0, "atmo"=>2.0}, "propellant_ratios"=>{"IonSteam"=>1.0, "ElectricCharge"=>1.0}, "max_thrust"=>1.0}
