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HMS Albacore (1909)
HMS ''Albacore'' was a "thirty-knotter" destroyer of the British Royal Navy, which was later classified as part of the B class. She was built by Palmer's of Yarrow as a private venture, launching in 1906, and being purchased in 1909. She served through the First World War before being sold for scrap in 1919.
==Construction and design==
The shipbuilder Palmers Shipbuilding and Iron Company laid down two destroyers on speculation (i.e. without a specific order) on 1 September 1905, as Yard Number 786 and 787.〔Lyon 2001, p. 37.〕 The two destroyers were of generally similar size and design to the Royal Navy's earlier "thirty knotter" destroyers (later redesignated as the B, C or D class depending on the number of funnels), with a turtleback forecastle,〔Gardiner and Gray 1985, p. 73.〕 with the Royal Navy having abandoned the "thirty-knotter" type for the River-class destroyers, with a higher raised forecastle instead of a turtleback, and sacrificing high speed in sea trials in favour of greater seaworthiness.〔Manning 1961, p. 47.〕 The first of the two ships, which would later become HMS ''Albacore'', was launched on 9 October 1906.〔 Palmer's was unable to find a customer for these ships, however,〔Lyon 2001, p. 25.〕 and offered to sell them to the Royal Navy on 5 December 1907 for £70,000–80,000 each. The Admiralty rejected the offer in February 1908, but in April two destroyers, and , were lost in accidents and it was decided to order the two stock ships from Palmer's as replacements. A provisional order for the two ships was placed on 8 May 1908, at a price of £60,000 each, depending on successful trials, with a speed of being required.〔Lyon 2001, pp. 37–38.〕
Unlike most "thirty-knotter"s, the new ships were powered by steam turbines rather than triple expansion engines, with four Reed boilers feeding steam at to Parsons direct drive turbines which drove two shafts, generating .〔Friedman 2009, p. 63.〕〔Manning 1961, p. 46.〕 The ships had four funnels, with the middle two funnels closely spaced.〔
''Albacore''s hull was long overall and between perpendiculars, with a beam of and a draught of . She displaced normal load and deep load.〔Friedman 2009, p. 292.〕 The ship's stem was higher than earlier turtleback destroyers, while rather than the narrow conning tower of the earlier destroyers, ''Albacore'' had a full width bridge situated further aft, which was claimed by Palmer's to make the ship much dryer in heavy seas.〔〔 Gun armament consisted of three QF 12 pounder 12 cwt naval guns, with two situated side by side on top of the bridge and one aft.〔 Two 18 inch (450 mm) torpedo tubes were carried,〔 while the ship had a complement of 56 officers and men.〔
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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