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Talk:Naval warfare

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Note on maintenance[edit]

They seem to have approximated the number of years per month as 0.08, and defines.lua


seems to be a proportion of the build cost per year.

--Evil4Zerggin (talk) 08:36, 24 August 2013 (CEST)

Further testing seems to suggest that that 0.08 approximation only applies to the display and land units; the actual naval maintenance is computed correctly.

--Evil4Zerggin (talk) 21:12, 4 September 2013 (CEST)

You're saying EU4 treats each month as 29.24 days for some things?--General Baker Great Britain.png (Talk | Contribs) 21:41, 4 September 2013 (CEST)
I was under the impression that EU4 months are literal calendar months, which can vary in length in terms of days, but are treated as identical in length for things updated every month. Land maintenance (actual and displayed on regiments) works this way, as does displayed maintenance on ships. Actual maintenance on ships is the correct 1/12. --Evil4Zerggin (talk) 23:59, 4 September 2013 (CEST)


ITS is a possessive and requires no apostrophe. IT'S is a contraction for IT IS. It's weird that its forms are so irregular ~ Unsigned comment by

All instances of that has now been cleared up in this article. ~ Meneth (talk) 16:48, 8 November 2013 (CET)

Stacking penalty[edit]

Has anybody been able to find any evidence that a stacking penalty of any sort is actually being applied? I haven't been able to detect anything of the sort even with doomstacking Rev. France's fleet in the last scenario. --Evil4Zerggin (talk) 21:17, 8 November 2013 (CET)


does it show anywhere in the tooltips trade power reduction of other nations in a node when I privateer it? I couldn't find it.

Naval Positioning[edit]

Does anyone have any idea how naval positioning works? I've been looking everywhere for a definitive answer, and no one seems to have any clue. Or if they do, no one's put it on the internet. I'd like a formula to calculate naval positioning. Does anyone have one? -- 17:25, 4 March 2015 (CET)

I added some info on the max value, but I can't find any info on actual naval positioning either. The tooltips in-game are not helpful, the mod-able files provide no clues, and there doesn't seem to have been a dev diary about it. ----Certh (talk) 14:32, 7 March 2015 (CET)

Hunt pirates[edit]

Currently this page says hunting pirates reduces their trade power. I'm currently watching Florryworry's very hard Three Mountains series (in patch 1.17, but I don't think the mechanics have changed since then) and he's losing 25% trade power in Ceylon to pirates, despite 99% reduced pirate efficiency due to hunting pirates. I think it actually reduces privateer efficiency, which then reduces income from privateers after allocating their share of trade value, the same way trade efficiency increases trade income after allocating the share of trade value, so most of the 25% siphoned away just gets wasted. Hairy Dude (talk) 12:32, 19 June 2019 (UTC)