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German submarine ''U-7'' was a Type IIB U-boat of Nazi Germany's ''Kriegsmarine'', based out of Kiel during World War II. It was one of the smaller versions, and was first launched on 29 June 1935 with a crew of 29. Its first commander was Kurt Freiwald. ''U-7'' would have 16 commanders over the course of its service, the last being Günther Loeschcke. During the war ''U-7'' was responsible for sinking two vessels. On 18 February 1944, west of Pillau, ''U-7'' sank in what is believed to have been a malfunction during a diving manoeuvre. There were no survivors. ==Design== German Type IIB submarines were enlarged versions of the original Type IIs. ''U-7'' had a displacement of when at the surface and while submerged. Officially, the standard tonnage was , however. The U-boat 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 MWM RS 127 S four-stroke, six-cylinder diesel engines of for cruising, two Siemens-Schuckert PG VV 322/36 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, it could operate for at ; when surfaced, she could travel at . ''U-7'' was fitted with three torpedo tubes at the bow, five torpedoes or up to twelve Type A torpedo mines, and a anti-aircraft gun. The boat had a complement of twenty. 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-7 (1935)」の詳細全文を読む スポンサード リンク
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