This part is from KODS
cost:
200
mass:
0.472
category:
Propulsion
TechRequired:
precisionPropulsion
engine_data:
standard
{"isp"=>{"vac"=>331.0, "atmo"=>308.0}, "propellant_ratios"=>{}, "max_thrust"=>239.7}
Rutherford
{"isp"=>{"vac"=>315.0, "atmo"=>302.0}, "propellant_ratios"=>{"LqdMethane"=>3.0, "Oxidizer"=>1.0}, "max_thrust"=>229.2}