This part is from US Rockets
cost:
2500
mass:
0.75
category:
Engine
TechRequired:
propulsionSystems
engine_data:
standard
{"isp"=>{"vac"=>425.0, "atmo"=>180.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>70.0}
