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German submarine ''U-51'' was a Type VIIB U-boat of Nazi Germany's ''Kriegsmarine'' that operated during World War II.〔 She was ordered in November 1936 and laid down in February 1937 in Kiel. She was launched in August 1939 and commissioned in November.〔 During her service in the ''Kriegsmarine'', ''U-51'' conducted four war patrols and sank five enemy vessels for a loss of and one auxiliary warship of . She was a member of one wolfpack. She was sunk in August 1940 in the Bay of Biscay by a torpedo from a British submarine. ==Design== German Type VIIB submarines were preceded by the shorter Type VIIA submarines. ''U-51'' 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 supercharged 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-51'' was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one , 220 rounds, and one 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-51 (1938)」の詳細全文を読む スポンサード リンク
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