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HMS ''E25'' was a British E class submarine built by William Beardmore and Company, Dalmuir. She was, along with the future , one of a pair of submarines ordered by the Ottoman Navy on 29 April 1914, but was taken over by the Royal Navy and assigned the ''E25'' name. She was laid down in November 1914, launched on 23 August 1915, and was commissioned on 4 October 1915. HMS ''E25'' was sold on 14 December 1921. ==Design== Like all post-''E8'' British E-class submarines, ''E25'' had a displacement of at the surface and while submerged. It had a total length of and a beam length of . It contained two diesel engines each providing a power of and two electric motors each providing power.〔(【引用サイトリンク】title=E Class )〕 Its complement was thirty-one crew members.〔 The submarine had a maximum surface speed of and a submerged speed of . British E-class submarines had fuel capacities of of diesel and ranges of when travelling at .〔 ''E25'' was capable of operating submerged for five hours when travelling at . It was fitted with a quick-firing gun gun (12 pounder), five torpedo tubes, and one spare torpedo tube. Its torpedo tubes were fitted at the front and the aft; unlike pre-''E9'' submarines, the two midship section torpedo tubes were not included.〔 E-Class submarines contained wireless systems with power ratings; in some submarines, these were later upgraded to systems by removing a midship torpedo tube. Its claimed highest dive depth was although it was capable of reaching depths of below . Some submarines contained Fessenden oscillator systems.〔 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「HMS E25」の詳細全文を読む スポンサード リンク
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