What is the rational for the free flood holes in Russian sub hulls?
They must have known it makes detection much easier
The Deltas must be a sonar operators wet dream
Free flood holes on Russian subs
Free flood holes on Russian subs
The gods do not deduct from a man's allotted span the hours spent in fishing.
~Babylonian Proverb
~Babylonian Proverb
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Re: Free flood holes on Russian subs
crash diving.
Re: Free flood holes on Russian subs
I don't follow, are they part of the sub's ballast system?
How would that work in reverse?
How would that work in reverse?
The gods do not deduct from a man's allotted span the hours spent in fishing.
~Babylonian Proverb
~Babylonian Proverb
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- Member
- Posts: 1441
- Joined: 30 Apr 2003, 06:16
- Location: Canada
Re: Free flood holes on Russian subs
KM U-Boats had more flooding slits to speed up crash dive from 50 seconds to 30 seconds. With XXI & XXIII these flooding slits reduced top submerged speed and generated more noise , so a balance was struck.