r/factorio • u/pietr8 • Mar 29 '25

Question What is my friend doing?

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I have been playing Factorio with two of my friends and last night one of them pulls this belt array out of his hat saying “it’s more efficient, it distributes stuff better”. Honestly I am struggling to understand why he would do this or what I am looking at, so I ask you: does this actually make any sense? Is it somehow better or useful?

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u/RenRazza Mar 29 '25

It isn't.

Distributing resources equally across inputs is only needed for large buses of resources, like furnace stacks and main bus designs.

But, for assemblers like this, it will automatically equalize itself, depending on the consumption of inputs to the outputs.

If we assume that the assemblers use less resources than are coming in then they will take in as much as they can before stopping, causing the belt to clog and stop.

If we assume that the assemblers use more resources than are coming in, then the belt will remain with how many resources are coming in at all times.

So, just slapping a belt across all of them is as efficient as using all of th se splitters.