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French submarine ''Bernouilli'' (Q83) was a Laubeuf type submarine〔Jane p199〕 of the of ''Brumaire'' class, built for the French Navy prior to World War I.〔 ==Design and construction== ''Bernouilli'' was ordered by the French Navy as part of its 1906 progrmame and was laid down at the Toulon Naval Yard in November of that year. Work progressed slowly, and she was not launched until 1 June 1911. She was commissioned on 29 October 1912. ''Joule'' was equipped with licence-built M.A.N. diesel engines for surface propulsion, and electric motors for power while submerged. She carried eight torpedoes, two internally and six externally.〔 ''Bernouilli'' was named for Daniel Bernoulli, the 18th century Swiss mathematician,〔Castel〕 and other members of the Bernoulli family. ==Service history== On 30 November 1914, under the command of Lt. Defforges, ''Bernouilli'' attempted to penetrate the harbour at Cattaro. She was detected and forced to retire. On 28 April 1915 ''Bernouilli'' made another attempt on Cattaro. On this occasion she gained entrance, but found no targets and again had to retire. On 4 May 1916, now under the command of Lt. Rene Audry, ''Bernouilli'' sighted the Austrian destroyer ''Csepel''. She closed and attacked, scoring a torpedo hit on ''Csepel’s'' stern. ''Czepel'' was badly damaged, and thought to have sunk, but in fact gained port.〔 On 15 May 1917, during the aftermath of the battle at the Otranto Barrage, ''Bernouilli'' encountered a group of Austrian destroyers running for home, and fired on ''Balaton''. However this attack was unsuccessful and ''Balaton'' escaped.〔Halpern p165〕 On 27 October 1917 ''Bernouilli'' sighted the German U-boat ''UC 38''. She closed and attacked but was unable to score a hit; ''UC 38'' escaped without damage. ''Bernouilli’s'' final patrol was in February 1918, on close blockade duty off Cattaro. She was not heard from after 13 February 1918 and is believed to have struck a mine off Cattaro and sunk. All 23 of her crew were lost.〔〔Sieche〕 Her commander, Rene Audry, was honoured by having a submarine named after him.〔 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「French submarine Bernouilli (Q83)」の詳細全文を読む スポンサード リンク
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