This part is from SterlingSystems
cost:
3000000
mass:
80
category:
Engine
TechRequired:
aerospaceTech
engine_data:
Light
{"isp"=>{"vac"=>1020000.0, "atmo"=>0.001}, "propellant_ratios"=>{"LiquidFuel"=>1.0}, "max_thrust"=>1400.0}