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this post was submitted on 14 Aug 2023
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Showerthoughts
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Thanks for answering seriously even when I didn’t.
Interesting that they are quieter! I never would’ve guessed that. Thanks for sharing.
I think the old ones are loud, but newer ones can be really quiet. IRC Sweden had one that did well in war games. Gotland class. France also has really modern ones.
Basically they chugachugachugachuga, then go into battery mode and dissappear off sonar. Range is low obviously. Batteries don't last that long.
Don't think the Russians have those though. Their navy has been a joke for over a century.
Range is infinitesimal comparatively. A nuclear submarine can operate continuously under water for 6 months. An old diesel sub needs to resurface after something like 12-18 hours.