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Offline whitesharkTopic starter
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« on: October 12, 2010, 01:34:59 pm »
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Found in a English submarine of World War I in the North Sea. I think it is a E-class submarine. I think they are detonators to lance the torpedo's. These detonators have a electronic relais inside. When you pull the trigger the two wires give contact. If I am not right on this please let me know.

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Offline GoldDigger1950
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« Reply #1 on: October 12, 2010, 03:44:19 pm »
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They look like shot line guns to me. Used by the Boatswain to fire a rubber covered weight with a line attached to it. They would fire them to the pier when docking. On the pier, the dock side handlers pick up the line and pull a larger rope over that looped over the bollards and clevis to moor the sub. Normally kept forward in the anchor windlass room near to the bow. Where on the boat did you find them?

In days long gone by, they used a knotted rope called a Monkey's Fist to swing a small line over to the pier. The guns use electrically fired cartridges to fire the rubber equivalent of the Monkey's Fist.

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« Reply #2 on: October 12, 2010, 07:30:07 pm »
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LOL! US Land Lubing, Air Lubing Air Farse people will not coment on da Monkey Fist Thing. Violent

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Offline whitesharkTopic starter
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« Reply #3 on: October 13, 2010, 08:05:05 am »
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I found them in the room were they store the torpedo's. I think that's the room between the torpedo launch room and the commando room (see picture 1).
The E-class submarines were not so large. This is the E3 (see picture2), she sank also in the North Sea by U27. I don't know the name of the sub we dive on but she looks simular to the S-class to me.

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« Reply #4 on: October 13, 2010, 02:11:10 pm »
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Nice find mind you the sketch's not bad either.

Regards Xavier 

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So many questions so little time
Offline GoldDigger1950
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« Reply #5 on: October 13, 2010, 11:28:22 pm »
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On most navy vessels, all explosives of any kind, including shot line cartridges, are stored together to limit the area which must be maintained as spark free. All tools used there must be made of brass to keep from sparking. It doesn't surprise me that they are there. There may be no relationship between them and the torpedoes just because they are together.

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« Reply #6 on: October 14, 2010, 10:09:50 am »
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All we found is brass. I tought the brass was a matter of no disturbing the compass. But you could be right about the sparking.

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Offline GoldDigger1950
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« Reply #7 on: October 14, 2010, 03:50:27 pm »
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The ship's hull was steel so that leaves out worrying the ship's compass. Brass was used around all ordnance.

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« Reply #8 on: October 14, 2010, 04:08:19 pm »
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at first i thought it might be a very pistol (flare gun) but the wires and the threaded ring
make me think you might be on the right track with the launch trigger idea.
if it was a shot line gun why have a brass grip? and all the pictures of shot line guns
are more like rifles with a long stock rather than a pistol grip..?
It must be quite a thrill to dive a wreck like that, it's hard to imagine. the sort of thing we only see on national geographic or something.
what sort of regulations are there with a wreck like that? i would have thought there might be regulations with war graves and defence department claims and such..?
but it's still quite amazing, thanks for the thrill.

JJ

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« Reply #9 on: October 14, 2010, 04:36:48 pm »
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GD, I admit I know nothing about arming torpedoes, but I'm with jamjars and whiteshark in thinking that these don't look like any of the shot line guns I've seen pictures of (including WWI era pictures)...Too bad neither of us lives in London, I'd suggest a run over to the Imperial War Museum.   I'm pretty sure we'd find the answer there.

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