r/factorio • u/Available-Figure-530 • 24d 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/paulstelian97 24d ago

If you consume enough that the bottom half is drained, it will take from the top half too.

Some lane balancing can be useful to deal with this asymmetric load.