Quote:
Originally Posted by rditto48801
Waves are on the surface, a dived sub is 'below' the waves.
Why would a sub 'under' the waves be affected by them?
After doing a little googling, I found an FAQ page (apparently from the Royal Navy, relating to nuclear subs), but it seems to fit the subject at hand.
http://www.royalnavy.mod.uk/operatio...tFormat/print/
(near the bottom)
Overall, it seems SH4 is more accurate in how surface conditions affect a submerged submarine.
I think even SH1 reflected this sort of effect, of being able to dive a little ways (or a bit deeper in very heavy seas) so surface conditions did not affect a sub's speed. I recall some times finding it better to just dive and go submerged at minimal speed rather than wasting fuel on the surface with barely reaching 1/3 or 1/2 of the usual speed.
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Sorry to disagree.

I refer you to the probably unfortunately out of print classic:
The Boat By Lothar Gunther Buckheim.
During the Storm chapter, which was quite long, he states that the "old man" would dive the boat to give the crew a break-and he says that over 200 feet would be needed to stop the rolling/rocking motion from the angry seas above.