This part is from NTCP(NT Chineserockets Pack)
cost:
8600
mass:
1
category:
Engine
TechRequired:
advRocketry
engine_data:
YF-115
{"isp"=>{"vac"=>341.5, "atmo"=>300.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>123.55}