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19 March 2010, 13:45:12 *
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Author Topic: Norwegian boats need shore charging facilities ??  (Read 97 times)
Fingers
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« Reply #6 on: 08 March 2010, 19:03:17 »

Not nonsense Marwin. Thumbs Up In a nutshell they didn't want to run the engines alongside for battery charging.
« Last Edit: 09 March 2010, 12:31:29 by Merlin » Logged

I started out with nothing and I've still got most of it left.............Seasick Steve
marwin
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« Reply #5 on: 08 March 2010, 09:33:32 »

The point being made in the article is that the boats need to charge to keep batteries on max. The cycling that takes place during a "main" charge (in lack of better tern) makes the batteries' capacity last longer. The charging capacity during longer deployments/exercises decreases as the time since a main charge has taken place. This main charge is faster, cleaner and more economic done at a charging station
Was this just nonsense or.....?
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Fingers
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« Reply #4 on: 09 January 2010, 18:52:43 »

A strange tale indeed.I'm tempted to believe the excuse given to abandon the base was not the real reason.Rather than something they did not want to admit to in public.
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I started out with nothing and I've still got most of it left.............Seasick Steve
Lofty
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« Reply #3 on: 08 January 2010, 21:37:01 »

I vaguely recall there were connections on the jetty at DOLPHIN and more firmly that there was a power house for machines to convert the normal AC supply into DC. As happens it was manned by the local Electrical Trade Union secretary and through him I got the valued skilled membership card that was very useful in finding civilian work when I left the RN, in the period before we sailed to NZ.

I didn't think much about these shore connections at the time as they were common in the main dockyards simply to supply DC power to ships alongside.

The drawings for the 'A' class clearly show labeled shore charging connections and ammeters, but we never used  these connections in normal service outside the main dockyard in refit when obviously the engines could not be used. Even then I think when the refurbished battery was refitted, the service load was supported but no charging.

I believe the depot ships had charging kit, yet the SCOTSMAN was always charged by another submarine even if alongside the depot ship. http://www.submariners.co.uk/Dits/Articles/scotsman.php

Perhaps in  the early days of the smaller boats, they charged them more often from shore?

All more info than anyone wants to know, but battery charging was a big business in boats in  all circumstances.

Lofty
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RHiseman
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« Reply #2 on: 08 January 2010, 17:26:16 »

Must be good batteries to last 4 or 5 weeks unless they are tied up all the time
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maxi 77
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« Reply #1 on: 08 January 2010, 08:06:39 »

These days people get hacked of if you run big engines for long periods in the marina.
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Peter
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« on: 08 January 2010, 04:06:40 »

http://www.barentsobserver.com/norwegian-submarines-need-base-in-northern-norway.4669545-58932.html

Something odd here ? Don't they have engines ?

Lofty
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