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sonar apparatus of the german submarines by Rössler

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sonar apparatus of the german submarines by Rössler

Postby raalst » Sun Jul 22, 2007 5:11 pm

I bought "die sonaranlagen der deutschen unterseeboote" by Eberhard Rössler.

It has quite a bit detailed information on all types
of WWII sonar, and a bit before and after as well.
with unique photo's of some boats (primarily
their bows)

e.g. anybody ever heard about the Onion-bow ?
in the end some new boats got a sonar bulb on the
upper bow, very much like the 50/60-er russian
boats. U889 was test boat for it and there are
three pictures of this boat and it's unique bow

And what about the Fafnir anti-sonar trick ?
apparently they put pyramid shaped cones on
U11 in 1940 (!) to lower it's sonar signature.
later they put a rubber layer on some boats
(alberich, they called it).

Ronald van Aalst

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Postby Don Prince » Sat Aug 25, 2007 10:41 pm

Hello Raalst,

There is a pdf document available on the web that has some info about passive sonar used on u-boats....

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