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Have problem with mod Fluids must flow after Factorio 2 update
There was an update, to this mod, that make pipes throughput x10 slower, from 72k to 7.2k.
So i tried to rearrange mine offshore pumps design, so that i still get full pipe of water but i don't use extra pumps, and it ain't working.
For some reason max throughput i can get is 3063 water per second.
I tried to use more pumps, they either don't work or make other pumps pump slower, so that the throughput stays the same.

Have anyone experienced same problem and if so have anyone find a solution?
Last edited by 76561198144230750; Jan 8 @ 8:40am
Originally posted by PunCrathod:
Fluid must flow changelog contains the following.

Originally posted by Fluidmustflow:
Version: 1.4.0
Date: 2024-10-30
Features:
- Ducts have a max pipeline extent of 1 kilometer.
Changes:
- Updated to Factorio 2.0.
- Updated several internal names to match the display names.
Balancing:
- Reduced duct volume by 4x.
- Reduced pumping speeds by 10x.



Originally posted by Chindraba:
Originally posted by PunCrathod:
Looking at the screenshots I spotted that those valve thingies have a max throughput of 7200. So if your pipeline is like the screenshot with rails everywhere it makes perfect sense that the limit is 7.2k. Maybe the mod changed the valves pumping speed from 72k to 7.2k when they updated it to 2.0.
It's even possible that the mod didn't change anything. Those non return ducts could be implemented in the mod as 6 regular pumps. In 1.1 that would be a flow rate of 72 k and in 2.0 7.2 k. All with the mod having to change nothing.
As a programmer I can confidently say that implementing them as 6 regular pumps is the worst way to make a valve. Implementing it like that would be difficult and would not give you any real benefit. Also the screenshot would not be saying 7200/s if it was 6 regular pumps on top of each other.

It is much easier to just manually calculate the flowrate you want and input that in for a single entity. And looking at the files that is exactly what raiguard did when he made the mod.

If you wanted to make them dependent on the vanilla pump speed the easiest way to do that would be to read the vanilla pump value and use that to calculate a new value for your own entities in the mod loading step. And yes factorio does let you do stuff like that. I think there is a special function that any mod can implement that gets called during mod loading specifically for doing stuff like that.

So the mystery has been solved. OP is using non return ducts in their pipeline that are now limited to 7.2k fluid per second. Solution. Remove them. And when the max pipeline length is reached put in multiple parallel ones to split the pipe networks.
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Is the fluid you are moving water used to make steam? Because they changed the ratio of water to steam from 1:1 to 1:10.
Originally posted by PunCrathod:
Is the fluid you are moving water used to make steam? Because they changed the ratio of water to steam from 1:1 to 1:10.
It was used in all productions of the base, not only in boiling it
I didn't wanted to make a water train so i did one big pipe for the whole base
Not sure how it reacts in the mod, but pumps now only move 1200/s and if you want to move more you need to make a fan out of pumps every time you need to add a pump in the pipeline. The mod may have changed that for pumps, but it's worth checking if that is the problem.
Originally posted by Chindraba:
Not sure how it reacts in the mod, but pumps now only move 1200/s and if you want to move more you need to make a fan out of pumps every time you need to add a pump in the pipeline. The mod may have changed that for pumps, but it's worth checking if that is the problem.
Wdym by making fan out of pumps?
Fel Jan 8 @ 7:53am 
Also to note is that pumps now only have a throughput of 1200.
They changed the fluid system quite a bit in 2.0, its throughput is no longer based on the number of entities but you also need a very different setup for throughput higher than 1200 (specifically, pumps side by side instead of in a row).
Originally posted by Fel:
Also to note is that pumps now only have a throughput of 1200.
They changed the fluid system quite a bit in 2.0, its throughput is no longer based on the number of entities but you also need a very different setup for throughput higher than 1200 (specifically, pumps side by side instead of in a row).
Yea, i did see that they changed throughput of regular pumps, but i don't use them in my design
Just a quick sanity check. 7.2k sounds suspiciously close to 6x1200. In order to get to 72k you would need 60 offshore pumps. I have seen people having issues with fluid networks when migrating from pre 2.0 to 2.0.+ where for some reason or other not all pipes that look like they are connected actually are connected. Check the sources of the fluids to see if you have sources that are not actually outputting into the pipe. If you find any then somewhere between that source and the working part of the network a pipe is broken. Deconstruct and reconstruct the pipes between the non working part and the working part to see if it fixes the problem.
Last edited by PunCrathod; Jan 8 @ 8:24am
Originally posted by PunCrathod:
Just a quick sanity check. 7.2k sounds suspiciously close to 6x1200. In order to get to 72k you would need 60 offshore pumps. I have seen people having issues with fluid networks when migrating from pre 2.0 to 2.0.+ where for some reason or other not all pipes that look like they are connected actually are connected. Check the sources of the fluids to see if you have sources that are not actually outputting into the pipe. If you find any then somewhere between that source and the working part of the network a pipe is broken. Deconstruct and reconstruct the pipes between the non working part and the working part to see if it fixes the problem.
Yes, the old design had 60 offshore pumps, and in new one i have 6 offshore pumps
Hope you can see the screenshots of how it looks
They all connected

Old and New design, connection of offshore pumps
https://steamcommunity.com/sharedfiles/filedetails/?id=3403370786

Old design and pumping rate
https://steamcommunity.com/sharedfiles/filedetails/?id=3403371114

New design and pumping rate
https://steamcommunity.com/sharedfiles/filedetails/?id=3403371707

For some reason now it pumps with rate of 4084 water per second, all i did was put them in the same "lake" near each other
Fel Jan 8 @ 9:47am 
Each offshore pump is capable of pusing 1200 per second, 6 would be 7200; sp 4084 means that a lot of throughput is lost, and it is evidently not because the pipes are full either, so the mod has a problem.

Here is how you would do it in vanilla (with the "fan" mentionned previously even if you don't need one unless the distance is so long that you need pumps to go further):
https://steamcommunity.com/sharedfiles/filedetails/?id=3403400499
Originally posted by Fel:
Each offshore pump is capable of pusing 1200 per second, 6 would be 7200; sp 4084 means that a lot of throughput is lost, and it is evidently not because the pipes are full either, so the mod has a problem.

Here is how you would do it in vanilla (with the "fan" mentionned previously even if you don't need one unless the distance is so long that you need pumps to go further):
https://steamcommunity.com/sharedfiles/filedetails/?id=3403400499
Yea, it is a mod problem, i just wanna know if there is any solution to it)

Using the design u post i can make the regular pipe have a throughput of 18k per second, using 15 offshore pumps, so it's not hard to have a throughput of 7.2k, problem is that it take too much space to place pumps that will keep flow at max rate

As u can see i placed pipe between rails, and don't have much space to work with, that's why i went with this mod
https://steamcommunity.com/sharedfiles/filedetails/?id=3403422369
Fel Jan 8 @ 10:29am 
If you want to get answers for that specific mod, the mod's page on the mods portal would probably be the best place.
Either of those places (assuming it is the right mod, of course):
https://mods.factorio.com/mod/FluidMustFlow/discussion
https://github.com/raiguard/FluidMustFlow/issues

EDIT: In 2.0 you can go quite far without needing pumps, you could probably have a bunch of pumps on the side of the rails when the maximum distance is reached, it is not exactly a small one either.
Last edited by Fel; Jan 8 @ 10:30am
Originally posted by Fel:
If you want to get answers for that specific mod, the mod's page on the mods portal would probably be the best place.
Either of those places (assuming it is the right mod, of course):
https://mods.factorio.com/mod/FluidMustFlow/discussion
https://github.com/raiguard/FluidMustFlow/issues
Firs what i did was went to the mod pages on Factorio and Github, and the thing is that there was not much activity, so i decided to ask steam players, because here is way more activity to work with, in hope to see some one with simular problem and their way of dealing with it)

I understand that it's stupid to hope that some one did fix mod by himself and can help me do the same, but maybe there is a way to go around this problem and getting the result that i need
Originally posted by Fel:
If you want to get answers for that specific mod, the mod's page on the mods portal would probably be the best place.
Either of those places (assuming it is the right mod, of course):
https://mods.factorio.com/mod/FluidMustFlow/discussion
https://github.com/raiguard/FluidMustFlow/issues

EDIT: In 2.0 you can go quite far without needing pumps, you could probably have a bunch of pumps on the side of the rails when the maximum distance is reached, it is not exactly a small one either.
About EDIT part
I didn't know that, so mb if i can't find a solution i'll do that instead, thanks for the tip<3
Looking at the screenshots I spotted that those valve thingies have a max throughput of 7200. So if your pipeline is like the screenshot with rails everywhere it makes perfect sense that the limit is 7.2k. Maybe the mod changed the valves pumping speed from 72k to 7.2k when they updated it to 2.0.
Originally posted by PunCrathod:
Looking at the screenshots I spotted that those valve thingies have a max throughput of 7200. So if your pipeline is like the screenshot with rails everywhere it makes perfect sense that the limit is 7.2k. Maybe the mod changed the valves pumping speed from 72k to 7.2k when they updated it to 2.0.
It's even possible that the mod didn't change anything. Those non return ducts could be implemented in the mod as 6 regular pumps. In 1.1 that would be a flow rate of 72 k and in 2.0 7.2 k. All with the mod having to change nothing.
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