Unknown midget torpedo boat

Unfortunately, I cannot identify the writing on those signs on the wall, as those would give quite a certain clue about the nationality. Could you give the source, please, as this may ease identification ?
The torpedoes don't look exactly like German types to me, after looking through Rössler's book, though they might be
older, than expected, juding the old fashioned conning-tower.
 
Jemiba said:
Unfortunately, I cannot identify the writing on those signs on the wall, as those would give quite a certain clue about the nationality. Could you give the source, please, as this may ease identification ?
The torpedoes don't look exactly like German types to me, after looking through Rössler's book, though they might be
older, than expected, juding the old fashioned conning-tower.
Click to expand...
Thank you for answer.
It's been a few years since I saved the picture and unfortunately I can't find the pages anymore. There were more photos of unknown to me prototypes of German and Japanese midget submarines and manned torpedoes.
 
airman said:
Seems be uncompleted migdet submarine Molch.
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Don't think so, as the Molch had the conning tower at about the rear end of the torpedoes, with rectangular and fewer windows, and judging this schematic drawing from Roessler "Geschichte des deutschen U-Bootbaus", no such integral pressure hull. But the idea of an uncompleted midget sub is worth considering.

1692982072162.png
 
A quick search, a new idea taking into account airmans "uncompleted midget sub" idea :
The visible part actually is only the pressure hull, that's why those circular windows are protruding, making the whole thing look like from the late 19th century, but the whole outer shell still is missing. As said by Raketyr, the photo stems from a book about German and Japanese midget subs, so the assumption, that it's German may be correct. Juding that "pressure hull", the bow may have been more pointed, as in other German midget subs.
The predecessor to the Biber was a single boat, called "Adam", which was built in 1944, and as stated in Fock's "Marinekleinkampfmittel" (Naval small battle units) got several modifications, before it transmuted into the Biber.
1692984448407.png
This photo may be shows the faired conning tower and the completed rear section.
In Gröner's "Die deutschen Kriegsschiffe 1815 - 1945, Bd.8.2", there's a drawing of the Adam:
1692984622777.png

The diving planes don't match the shape shown in the photo, neither do the torpedoes, but they may have been incomplete, too.
Just an idea ...
 
Of course I know the Adam prototype, but it's a completely different concept. On the unknown vessel, two torpedoes are apparently used as propulsion, and the launch tube for the third torpedo is located below.
 
Seem to be full sized torpedoes, fitted with warheads, so maybe not be used as the propulsion system.
If that structure below is actually part of the sub itself, and not just a kind of a jig, it probably would house
drive train with the propellor, I think.
But you're right in so far, as the forward part ("pressure hull") sits too high and probably was nearly the whole length of midget subs like Adam, Biber, Molch and so on.
So, next idea, please ...
 
I noted, that torpedoes doesn't have control surfaces in their tails. So, if this is the actual submarine, these torpedoes hardly could be stabilized after their launch - both by direction or by depth.
Perhaps, they are really used as "off-the-shelf" power units?
 
Wurger said:
The fuselage matches a towed catamaran model, published by Fock, tested in the Hamburg basin. In place of the torpedos one can see floats.
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May I ask which book by Harald Fock has a photo or drawing of this catamaran?
 
Silencer1 said:
I noted, that torpedoes doesn't have control surfaces in their tails. So, if this is the actual submarine, these torpedoes hardly could be stabilized after their launch - both by direction or by depth.
Perhaps, they are really used as "off-the-shelf" power units?
Click to expand...
Looks like it.
 
I beleve this is torpedo barge for launching dackel torpedos ,as used of the beaches of normandy.
 

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