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''HMS Implacable'' was a battleship of the British Royal Navy, the second ship of the name. Commissioned in September 1901, she was assigned to the Mediterranean Fleet and served with the fleet until 1908. After a refit, she transferred to the Channel Fleet, then onto the Atlantic Fleet in May 1909. By now rendered obsolete by the emergence of the dreadnought class ships, she was assigned to the 5th Battle Squadron and attached to the Home Fleet in 1912. Upon the outbreak of World War I, ''Implacable'', along with the squadron was assigned to the Channel Fleet. After operations with the Dover Patrol, she served in the Dardanelles Campaign, in support of the Allied landings at Gallipoli. Apart from a brief spell in England in March/April 1916 for a refit, she remained in the Mediterranean until June 1917, supporting firstly the Italian Navy and then the French Navy. Returning to England, she was laid up until March 1918, and then served as a depot ship for the Northern Patrol. After the war, she was decommissioned and eventually sold for scrap in 1921. ==Technical Description== HMS ''Implacable'' was laid down at Devonport Dockyard on 13 July 1898 and launched on 11 March 1899 in a very incomplete state to clear the building way for construction of battleship . ''Implacable'' was completed in July 1901.〔Burt, pp. 162, 172〕 ''Implacable'' and her sisters were similar in appearance to and had the same armament as the and classes that preceded them. She and her sister ships are often described as improved ''Majestic''s, but in design they really were enlarged ''Canopus''es; while the ''Canopus'' class took advantage of the greater strength of the Krupp armour employed in their construction to allow the ships to remain the same size as the ''Majestic''s with increased tonnage devoted higher speed and less to armour without sacrificing protection, in ''Implacable'' Krupp armour was used to improve protection without reducing the size of the ships.〔''Conway's All the World's Fighting Ships 1860–1905'', p. 36〕 ''Implacable'' and her sisters thus were larger than the ships of the two preceding classes, and enjoyed both greater protection than the ''Majestic''s and the higher speed of the ''Canopus'' class. ''Implacable''s armour scheme was similar to that of the ''Canopus''es, although, unlike in the ''Canopus''es, the armour belt ran all the way to the stern; it was long and deep and thick, tapering at the stem to thick and deep and at the stern to thick and deep. The main battery turrets had Krupp armour, on their sides and on their backs.〔 ''Implacable'' and her sisters improved on the main and secondary armament of previous classes, being upgunned from 35-calibre to 40-calibre 12-inch (305-mm) guns and from 40-caliber to 45-caliber 6-inch (152-mm) guns. The 12-inch guns could be loaded at any bearing and elevation, and beneath the turrets the ships had a split hoist with a working chamber beneath the guns that reduced the chance of a cordite fire spreading from the turret to the shell and powder handling rooms and to the magazines.〔 ''Implacable'' and her sisters had an improved hull form that made them handier at high speeds than the ''Majestic''s. They also had inward-turning screws, which allowed reduced fuel consumption and slightly higher speeds than in previous classes but at the expense of less manoeuvrability at low speeds.〔 Like all pre-dreadnoughts, ''Implacable'' was outclassed by the new dreadnought battleships that began to appear in 1906. The cost of this ship was £1,063,616. 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 Implacable (1899)」の詳細全文を読む スポンサード リンク
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