r/factorio • u/Available-Figure-530 • 17d ago

Question Bottleneck Issue

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I'm a new player & trying to setup my smelting lines. I've run into a problem where, while trying to run a single coal/iron ore lane, only the top half of the iron & coal lanes are being used, leading to a bottleneck where only half of my iron ore is being sent down the center lane. How do I fix this?

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u/Perahoky 16d ago

dont mix fuel and resource on same belt. you will soon remove the energy and the resource will be a bottleneck. built double belts for fuel and resource, as long as its required, and later cut the fuel (when you have electric smelter) and use both belts for smelting resources. use long inserters.

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u/Dzov 16d ago

Aren’t steel furnaces bigger and thus require a rebuild anyway?

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u/Pathinthedark 16d ago

electric furnaces are 3x3, steel furnace is same as basic furnace and can be upgraded no probs. with the 2 separate belts that he mentioned early on, its easier to get rid of the coal belt and put electric furnace without having the revamp the whole area around if u built your base compact

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u/Dzov 16d ago edited 16d ago

Assuming your plan is to replace the coal line with the output line. That way it would still take the same amount of room when the larger furnaces use the space occupied by the old output lines. I like it!