Quote:
Originally Posted by Catfish
3. Destroyers detecting U-boats running silent at Periscope depth by sonar - THIS IS WRONG
(the sonar used would not actively detect subs at pd even in 1945, or only if the sub is 10 meters in front of the bow. The waves within the sonar cone do not travel parallel to the water surface ! ! Gawd, read some books and don't listen to propaganda lol)
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So it is your contention that the best possibility of escape for a submarine was to stay at periscope depth and run silent? Do you have any evidence for this ever being tried and working? Why then the common advice "run silent, run
deep"?
Active sonar may or may not sense submarines at periscope depth, but active sonar does not depend on how much noise the submarine is making. Can hydrophones not detect a submarine at a depth of 45-65 feet?
You say "read some books". Which ones? Specific quotes, please.
Also, why a new thread for this and not a post in the existing 'Bugs and Howlers' thread?