Torpedo Bunkers in Norway

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Natter
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Re: Torpedo Bunkers in Norway

Post by Natter » 06 Aug 2020 20:25


jopaerya
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Re: Torpedo Bunkers in Norway

Post by jopaerya » 07 Aug 2020 16:06

Not sure if this was from La Rochelle or La Pallice, looks a flooting torpedo-battery
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Jens Andersen
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Re: Torpedo Bunkers in Norway

Post by Jens Andersen » 28 Sep 2020 10:45

Not a bunker, but the mounting of torpedo tubes from a destroyer on a barge at Trondheim in the spring of 1940.

From an active ebay auction
https://www.ebay.de/itm/WK2-Fotoalbum-K ... SwbopfcMjS

Jens
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Natter
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Re: Torpedo Bunkers in Norway

Post by Natter » 03 Oct 2020 15:13

Jens Andersen wrote:
28 Sep 2020 10:45
Not a bunker, but the mounting of torpedo tubes from a destroyer on a barge at Trondheim in the spring of 1940.
That photo must have been made in several copies, as it's well known already (the vierling rohrsatz from both Theodor Ridel and Paul Jacoby was used in this role during spring 1940 in the Trondheim-fiord, and later moved to the permanent batteries on each side of the fiord):
viewtopic.php?f=61&t=242534&start=15

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Re: Torpedo Bunkers in Norway

Post by jopaerya » 28 Nov 2020 09:53

Here a document from La Spezia ,see also post 83 , Regards Jos ( NARA )
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robin-stahlbeton
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Re: Torpedo Bunkers in Norway

Post by robin-stahlbeton » 28 Nov 2020 14:14

Very nice Jos, here a proof of being still there! First thought of mine, it was a Wasserbombenwerfer. Keep them coming 👍🏻
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Re: Torpedo Bunkers in Norway

Post by ROLAND1369 » 28 Nov 2020 15:41

I am unsure as to the meaning of the photo. It is obviously a gun battery as its position is see entirely too far from the water. There is no way a torpedo launched from the bunker would clear the ground and rocks and reach the water.

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Re: Torpedo Bunkers in Norway

Post by jopaerya » 28 Nov 2020 21:43

On your photo you see the the twin gun bunkers of the naval B. Punta Bianca , Regards Jos ( photo Italian Forum )
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Re: Torpedo Bunkers in Norway

Post by robin-stahlbeton » 29 Nov 2020 07:09

I did see it later yes. On the left side there are more built. Never seen two bunkers intergrated like that, quite unusual. Wonder were the torpedo battery would be then?

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Natter
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Re: Torpedo Bunkers in Norway

Post by Natter » 10 Dec 2020 04:49

jopaerya wrote:
28 Nov 2020 09:53
Here a document from La Spezia ,see also post 83 , Regards Jos ( NARA )
According to the Landfeste Torpedosperrbatterien im europäischen Raum – Stand 20.7.1944 there were 4 batteries in La Spezia, of wich at least one was a subsurface installation (I have two photos of that battery, but can't find them now).

The attached photos shows one of the La Spezia-batteries installed as harbour-defence.

I'd love to get more information of these batteries, which appears to have been using italian equipment.
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Natter
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Re: Torpedo Bunkers in Norway

Post by Natter » 10 Dec 2020 04:50

ROLAND1369 wrote:
28 Nov 2020 15:41
I am unsure as to the meaning of the photo. It is obviously a gun battery as its position is see entirely too far from the water. There is no way a torpedo launched from the bunker would clear the ground and rocks and reach the water.
Regarding the installation of a shore-battery: Considering the G7a(TI) torpedo (most likely suitable as a representative for the "maximum" parametres being the heaviest of the various torpedoes used in the german batteries, disregarding the failed M5 coastal defence torpedo project), you would need at least 25 m free waterdepth in front of the battery and probably at least 5 m horisontal clearance to the water (although the torpedo could "fly" at least 15 meteres, it would depend on the tide, angle of attack and the depth). Normally, the tubes were to be mounted at 3-4 m above the waterline.

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