Recent Posts

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11
Hello Mr Tore,


I believe we are current on pages to be verified...  Your post number seems to be stuck at 2,249??? and mine is stuck at 697???  I have just updated page 98, 99, 464, 465, and 466 and I am going to update Dropbox in about 10 minutes.


I do have one question...


Which spelling is correct?


Reinhard "Teddi" Suhren


- OR -


Reinhard "Teddy" Suhren


I see both spellings for Teddi - Teddy on the internet?


Regards,
Don_
12
Don.
I am afraid I have lost the general view of the pages I should check as it has been so many changes, is it possible for you to give a survey over which pages in your Skizzenbuch you want me to check?
Tore
13
Hi Mr. Tore and Maciek,


I added the images to Skizzenbuch page 98 and the latest in in Dropbox...


Regards,
Don_
14
Hi Maciek.
Interesting photos it looks as if they used the pressurehull opening for the Junker outer  exhaustvalve for the SSE.
15
Hi Don,

maybe you will find this photo interesting. It presents loading torpedo to the aft torpedo tube of U 564.
The Junkers compressor, as well as part of exhaust duct and two exhaust valves are visible.

--
Regards
Maciek
16
Don.
I guess this confirms our assumption. Somehow after 1955 the Junker was removed. In 1953- 1954 for sure the Junker was in place although not very frequently in use. As far as I remember we had to clean the dieselpistons every 75 hours due to carbonization causing unballance vibrations, no wonder they removed it.
Tore
17
Hello Mr. Tore and All,


Maciek provided me with a photo of U-995 taken in 1965.  There is no Junkers air compressor in the aft torpedo room, and the emergency signal ejector is installed in the upper pressure hull...  Therefore, when the Germans restored U-995, they installed a Junkers air compressor, but I don't believe there is an exhaust or HP air connection.


Regards,
Don_
18
TYPE VII / Re: Pressure hull forward cap
« Last post by bianco64squalo on 31 May , 2017, 02:10 »
Thanks Maciek,
your article is fantastic: I already read and printed it...
19
TYPE VII / Re: Pressure hull forward cap
« Last post by SnakeDoc on 30 May , 2017, 05:41 »
Hi Filippo,


some time ago I was very interested in the way of operation of the German torpedo tubes.
Tubes used by US Navy were clearly described in the following document.


As you have noted, there is no similar document for German tubes. I researched this topic and created this article.
The best (however still scant) historical source on German torpedo tubes is British Report on HMS Graph together with plate illustrating the torpedo systems.


I was analyzing many photos of the torpedo tubes, gathering pieces of information from KTBs and interrogation reports, found one document related with tubes in British National Archives. All this put together gave a logical description and function of the torpedo tubes systems.




--
Regards
Maciek
20
TYPE VII / Re: Pressure hull forward cap
« Last post by bianco64squalo on 30 May , 2017, 05:15 »
Hi Maciek,
I appreciate your Knowledge and competence in U-Boat's subject: can I ask you from where you got your konwledge? For example, how can you be sure to assign a specific utilization for all the forward pressure hull cap's holes ? I didn't mean that I put in doubt your statements, but only that I'd like to know where I have to search to obtain only a part of your competence...
In the scratchbuilding of 1/48 Trumpeter's U-552, I would have the possibility to try the replication of many and many particulars: what I miss is the necessary documentation....
Thanks for your attention, and mostly for your help...
Filippo
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