This part is from RealEngines
cost:
4900
mass:
2.15
category:
Engine
engine_data:
standard
{"isp"=>{"vac"=>375.0, "atmo"=>190.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>1055.5}
resources:
ElectricCharge
0.0