The Kind ? U-boat had been a development of the Type?U-boat. It was a great ocean-gonging submarine, with the capacity of running in great remote waters and much more roomy and comfortable than the Type ?. Its bigger size, however, implied that its scuba diving speed had been instead slower than the Type ?. minus the external seat tanks of the Type ?, the kind ? ended up being a much sleeker looking watercraft and had greater fore and aft deck area. She had six torpedo tubes, four inside bow and two astern. As much as 23 torpedoes were kept. Secondary armament was supplied by one 105 mm deck weapon with about 110 rounds. AA armament differed through the entire war.?
