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Originally Posted by Otto Heinzmeir
I found this at www.uboat.net
The VIIC/42 was designed 1942-1943 and was intended to replace the then retreating VIIC, she had a much stronger pressure hull (with plating thickness up to 28mm) and a bit better offensive punch (16 torpedoes against VIIC's 14). Her diving depth was designed to be 200 meters with 400 meters as crushing depth (VIIC figures: 100/200 meters).
These boats would have been very similar in external appearance to the VIIC/41 but with two periscopes in the tower as type IX.
All contracts for the VIIC/42 U-boats were cancelled on 30 September 1943 in favour of the new Elektro Boat XXI.
This sub was never made, it says it was designed to dive 200m with a crush depth of 400m. Maybe this is what you had seen before? |
Design specification is one thing, to actually build a working model that meets the spec is quite an other. There is another threat in this forum talking about the general deterioration of German workmanship after the middle of WW2. As German men were sent to the front in ever increasing numbers, workshops are being manned by poles, frenchmen, even slave labor. They have little incentive to make good machines that will bring victory to Germany. There are instance where welding work are done poorly on uboat hulls.
SO watch out, your boat may just snap when it gets down to 150 meter...