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| {{Languages}}
| | #REDIRECT [[Power production#Optimal_ratio]] |
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| This is about how many [[Boiler]]s, [[Pump]]s, [[Steam engine]]s and also ratios of [[Solar panel]] and [[Basic accumulator]] (and more).
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| == Hot liquids ==
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| === Steam engines, pumps and boilers ===
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| {| class="wikitable"
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| |+ Needed number of entities in different situations
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| ! Situation !! # of steam engines !! # of boilers !! # offshore pumps !! Comment
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| |-
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| | One steam engine || '''1''' || 2 || 1 || makes barely sense
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| |-
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| | One off-shore pump || 10 || 14 || '''1''' || this is the most used setup!
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| |-
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| | Full throughput of a pipe || max. 21 || max. 28 || 2, better 3 || the total throughput depends on the total length of all pipes in a row
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| |}
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| Each steam engine needs roughly 1.31 boilers when running at full capacity.
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| One [[Pump|offshore pump]] can satisfy 14 [[Boiler]]s and 10 [[Steam engine|steam engines]]. 13 boilers will make the job also, but this tends to have problems to raise the temp after coal shortness or other accidents ([[Biter]]s love to attack the boilers).
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| To fully satisfy a pipe you need 3 [[Pump]]s or 5 [[Small pump]]s (or better 6, but that depends on pressure!). But with this setup you will find, that the length of your pipe-setup will influence this too much. This is definitely not a beginner strategy.
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| ==== See also ====
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| * [http://www.factorioforums.com/forum/viewtopic.php?f=8&t=5950 Research topic about energy]
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| * [[Liquids/Hot|Hot Liquids]]
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| * [[Liquids/Pipe physics]].
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| === Hot liquids in tanks ===
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| To equalize the needed throughput (different needs of energy between day and night for example), hot water from boilers can also be stored in [[Storage Tank|storage tanks]] and used by extra steam engines during peak times or during night (if solar is in place). This energy storage technique can be used instead of or in addition to [[Basic accumulator|accumulators]].
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| See [[Liquids/Hot#Storing_hot_liquids_as_energy_storage|about storing of hot liquids]] how to use that.
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| == Solar/Accu ==
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| === Optimal ratio ===
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| The optimal ratio is 0.84 (25:21) accumulators per solar panel.
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| This is taken from [http://www.factorioforums.com/forum/viewtopic.php?f=5&t=5594 Accumulator / Solar panel ratio], which calculates this in an impressive mathematical way!
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| There are former threads:
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| * http://www.factorioforums.com/forum/viewtopic.php?f=5&t=5168
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| * http://www.factorioforums.com/forum/viewtopic.php?f=18&t=5394
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| And later:
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| * http://www.factorioforums.com/forum/viewtopic.php?f=5&t=7619
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| === Perfect placing ===
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| * [http://www.factorioforums.com/forum/viewtopic.php?f=8&t=1865 Big solar farm]: About the perfect placing of panels
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