Deepest I've Ever Gone...Think It's A Subsim Record

[UKönig]

Originally Posted by Dave Kay

Wow~! What is the so-called Max Depth rating for Type XXI?

The max depth rating was supposed to be a comfortable 1200 feet. But because the type XXI was rushed through production in prefabricated sections in factories that had little or nothing to do with shipbuilding, the quality of the final build was always dubious. The British tested captured XXIs and found hull failure at 800 feet, and the Germans tested 900 feet. But in all cases, the pressure hull was much weaker than should have been, and provided no more depth than the (then current) type VII or IX.