More speed If the belts in the factory are already at maximum density, their speed can still be upgraded with better belts. The squashed gap is extended to normal size once the front of the belt starts to move again. However, mining drills, inserters, and belt sideloading can still force an item into these gaps, temporarily squashing the items on the belt. More density Sometimes items have small gaps in between each other that aren't big enough for other items to fit in. So, there are three opportunities to enhance the throughput: It describes how many items pass by at a given time. Density How tight are the items put onto the belts each straight belt piece can hold exactly 8 items. This is 1.875, 3.75 and 5.625 for basic, fast and express belts. Speed How fast a belt moves in tiles per second. Maximizing the throughput means ensuring that as many items as possible are transported. For further explanation of the mechanics, see lane balancers.Ĥ stack inserters can compress an express belt at stack size 12 for the left inserters and stack size 8 for the right inserters.
The former only works if only one lane is in use initially.
#Factorio bus how to#
The gifs below show two ways how to do this. Maintain throughput, balancing the lanes may be necessary. The trick in the second gif is better described in the underground belt section.ĭue to how items are placed onto belts by inserters, their lanes can sometimes become unbalanced. It is also possible to unmerge a mixed belt by using underground belts since an underground belt will block half of the belt.īelts going across a splitter will have items from the splitter moving to one side of the crossing belt.Ĭommonly, merging and un-merging is done by using a splitter. The belt can be unmerged using a splitter filter.
Smelting ore, or producing items with many different ingredients such as Utility science pack. This allows for either a double flow of one material, or to transport two different materials on the same belt. What you need to keep in mind is that the main bus is a concept, not a strict rule, so you need to adapt it to the situation.Belt mechanics Merging and un-merging beltsīelts of all tiers have 2 lanes for items to ride on.
#Factorio bus upgrade#
Of course most of the time the quantities needed by the branches vary over time and so does your input (you might upgrade to red/blue belts, add more to the bus, bring extra belts from one side to "resuply" the bus.).
#Factorio bus full#
If another branch needs a full belt to work, you now have 2.5 belts worth of throughput (assuming you had 4 and not 1 belt being split into 4 in the first place of course).Īt that point it's completely fine to only have 3 belts for iron plates on your bus instead of sticking with 4 and having a lot of holes in it. The issue of proper balancers is that it leaves belts more and more empty but with the same amout of belts, which isn't really what the bus is about.Ī main bus is all about bringing resources from a central line of belts towards the various places that need them, so lowering the amount of belts once the thoughput is no longer enough to support all of them isn't a bad call.įor example, let's say your first branch requires half a belt of iron plates from your 4 lines, you now effectively only have 3.5 belts on your bus. If you want to use the "inside" belts as a way to refill the "outside" belts you can even use the priority output function of the splitters. It doesn't have to be a full balancer, it can just be a chain of inserter either from the "inside" belts or from the opposite side (depending on if you frequently take from both sides or not) to the side you just took from. If you mainly take from the "outer" belts for each item you want to have some form of balancing.
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