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German submarine ''U-87'' was a Type VIIB U-boat of Nazi Germany's ''Kriegsmarine'' during World War II. The submarine was laid down on 18 April 1940 at the Flender Werke (yard) at Lübeck as yard number 283 and launched on 21 June 1941. She was commissioned on 21 June under the command of ''Kapitänleutnant'' Joachim Berger. ''U-87'' trained with 6th U-boat Flotilla until 1 December 1941, when she was put on front-line service. ''U-87'' sank five ships in her one-year career; she was a member of five wolfpacks. She was sunk off the coast of Leixões in Portugal during her fifth combat patrol, in March 1943, by warships of the Canadian Navy.〔 ==Design== German Type VIIB submarines were preceded by the shorter Type VIIA submarines. ''U-87'' 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 Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two AEG GU 460/8-276 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-87'' 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-87 (1941)」の詳細全文を読む スポンサード リンク
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