This part is from Cormorant Aeronology
cost:
8600
mass:
0.6
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>275.0, "atmo"=>210.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>100.0}