This part is from Orion TD edition
cost:
26000
mass:
8.26
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>304.0, "atmo"=>263.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>4446.0}