This part is from Dropship
cost:
6000
mass:
11
category:
Engine
TechRequired:
aerospaceTech
engine_data:
standard
{"isp"=>{"vac"=>4200.0, "atmo"=>3650.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>2000.0}