This part is from Klockheed Martian
cost:
5450
mass:
6.25
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>300.0, "atmo"=>260.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>1800.0}