This part is from LCA project
cost:
9280
mass:
3.9
category:
Engine
TechRequired:
highPerformanceFuelSystems
engine_data:
standard
{"isp"=>{"vac"=>280.0, "atmo"=>235.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>170.0}