This part is from Bacon Labs: Stockalike Ariane & More
cost:
20000
mass:
1.4
category:
Propulsion
TechRequired:
heavierRocketry
engine_data:
standard
{"isp"=>{"vac"=>336.0, "atmo"=>210.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>750.0}