This part is from Streamline - Engines, RCSs and fueltanks
cost:
1700
mass:
1.8
category:
Engine
TechRequired:
heavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>320.0, "atmo"=>270.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>360.0}