This part is from SpaceY
cost:
108000
mass:
30
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
SYE2
{"isp"=>{"vac"=>285.0, "atmo"=>260.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>12000.0}
