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''U-513'' was a type IXC U-boat built for service in Nazi Germany's ''Kriegsmarine'' during World War II. She was laid down on 26 May 1941 by the naval construction firm Deutsche Werft AG in Hamburg as yard number 309, and commissioned on 10 January 1942. Her commanders were ''Korvettenkapitän'' Rolf Rüggeberg (January 1942 to April 1943) and ''Kapitänleutnant'' Friedrich Guggenberger (15 May to 19 July 1943). Her training period was from 10 January 1942 to 31 August, as part of the 4th U-boat Flotilla. She was then assigned to the 10th U-boat Flotilla for operations. She sank six ships with a total tonnage of and damaged two more with a total tonnage of . The boat was a member of two wolfpacks. She was sunk by depth charges from a US aircraft in the South Atlantic Ocean in July 1943. In 2011 after nine years research and two years of seagoing searches, the expedition led by the explorers of Schurmann Family located U-513, east of their hometown of Florianópolis. The find was announced worldwide on 17 June 2011, when the Schürmanns produced images of a Side-scanning sonar. A dive was made in 2012, where photos and video images were recorded. ==Design== German Type IXC submariness were slightly larger than the original Type IXBs. ''U-513'' had a displacement of when at the surface and while submerged. 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 MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 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-513'' was fitted with six torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one , 180 rounds, and a as well as a anti-aircraft gun. The boat had a complement of forty-eight. 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-513」の詳細全文を読む スポンサード リンク
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