Foamy, that’s actually a great idea, I’ve never thought about that. Feed boiler area with high speed belts to increase quantity of boilers but break off to small yellow belt sections to feed burner or regular inserters so they can grab it.

It seems so obvious now that I type it out... ;)

I just ...

While this all sounds calculated and precise it feels too theoretical to me, so I set up a simple experiment:

I have 2 identical power systems on separate power grids containing 1 Boiler, 2 Steam engines and a chest for Coal.
System 1 is fed by a Burner inserter (stack size 1).
System 2 is fed by a ...