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German submarine ''U-33'' was a Type VIIA U-boat of Nazi Germany's ''Kriegsmarine'' during World War II. Her keel was laid down on 1 September 1935 at the Germaniawerft in Kiel. She was launched on 11 June 1936 and commissioned on 25 July with Ottoheinrich Junker in command. He was relieved by Kurt Freiwald on 22 November. ''Kapitänleutnant'' (''Kptlt.'') Hans-Wilhelm von Dresky took over on 29 October 1938 and commanded the boat until her loss.〔 Rotors from ''Kriegsmarine''s Enigma machine were captured from the survivors, the wiring of which was unknown at that time to British codebreakers at Bletchley Park. ==Design== As one of the first ten German Type VII submarines later designated as Type VIIA submarines, ''U-33'' had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two MAN M 6 V 40/46 four-stroke, six-cylinder diesel engines producing a total of for use while surfaced, two BBC GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . ''U-33'' was fitted with five torpedo tubes (four fitted at the bow and one at the stern), eleven torpedoes, one , 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「German submarine U-33 (1936)」の詳細全文を読む スポンサード リンク
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