This part is from Making History DLC
cost:
2000
mass:
2
category:
Engine
TechRequired:
heavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>310.0, "atmo"=>290.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>400.0}
344 Craft use this part
(ordered by download count)