This part is from Old Parts Redux
cost:
13000
mass:
6
category:
Engine
TechRequired:
heavierRocketry
engine_data:
standard
{"isp"=>{"vac"=>310.0, "atmo"=>285.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>1500.0}