This part is from SpikeX
cost:
350
mass:
0.23
category:
Engine
TechRequired:
generalRocketry
engine_data:
standard
{"isp"=>{"vac"=>325.0, "atmo"=>245.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>40.0}