This part is from Bluedog DB
cost:
165
mass:
0.068
category:
Engine
TechRequired:
stability
engine_data:
standard
{"isp"=>{"vac"=>290.0, "atmo"=>250.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>4.0}