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HMS Undaunted (1886)
HMS ''Undaunted'' was one of seven armoured cruisers built for the Royal Navy in the mid-1880s.
==Design and description==
''Undaunted'' had a length between perpendiculars of , a beam of and a draught of . Designed to displace , all of the ''Orlando''-class ships proved to be overweight and displaced approximately . The ship was powered by a pair of three-cylinder triple-expansion steam engines, each driving one shaft, which were designed to produce a total of and a maximum speed of using steam provided by four boilers with forced draught. During her sea trials, ''Undaunted'' reached . The ship carried a maximum of of coal which was designed to give her a range of at a speed of . The ship's complement was 484 officers and enlisted men.〔Chesneau & Kolesnik, p. 65〕
''Undaunted''s main armament consisted of two breech-loading (BL) , one gun fore and aft of the superstructure on pivot mounts. Her secondary armament was ten , five on each broadside. Protection against torpedo boats was provided by six quick-firing (QF) 6-pounder Hotchkiss guns and ten QF 3-pounder Hotchkiss guns, most of which were mounted on the main deck in broadside positions. The ship was also armed with six 18-inch (457 mm) torpedo tubes: four on the broadside above water and one each in the bow and stern below water.〔
The ship was protected by a waterline compound armour belt thick. It covered the middle of the ship and was high.〔 Because the ship was overweight, the top of the armour belt was below the waterline when she was fully loaded.〔Friedman, p. 146〕 The ends of the armour belt were closed off by transverse bulkheads . The lower deck was thick over the full length of the hull. The conning tower was protected by of armour.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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