What is your go to IronCopper smelting system? reddit
Mines > Trains > Passive Storage > Smelting > Passive Storage > consuming buildings . Current setup is 12 blue conveyors for both copper and iron. Each blue conveyor has 20 Electric furnaces, each with 2 level 2 speed modules and further boosted by 3 beacons that have 2 level 2 speed modules.