This part is from LCA project
cost:
21000
mass:
8.5
category:
Propulsion
TechRequired:
largeVolumeContainment
engine_data:
standard
{"isp"=>{"vac"=>270.0, "atmo"=>225.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>2350.0}