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HMS ''Porpoise'' was an of the Royal Navy, which was built by Thornycroft between 1912 and 1914. ''Porpoise'' served through the First World War, taking part at the Battle of Jutland in 1916, where she was damaged. In 1920, she was sold to the Brazilian Navy serving under the name ''Alexandrino Dealenca'' and was renamed ''Maranhão'' in 1927. ''Maranhão'' remained in service when Brazil entered the Second World War, being used for patrol and convoy duties. She was disposed of in 1945. ==Construction and design== The British Admiralty placed orders for 20 s as part of the 1911–1912 shipbuilding programme for the Royal Navy, with 12 ships to the standard Admiralty design, and 8 more as builder's specials, built to the detailed designs of shipyards specialising in destroyer construction. ''Porpoise'' was one of five builder's specials ordered from Thornycroft of Southampton. ''Porpoise'' was long overall and between perpendiculars, with a beam of and a draught of .〔 Displacement was .〔 Four Yarrow boilers fed steam to Parsons steam turbines rated at , giving a design speed of .〔 The ship had a crew of 73 officers and men. The ship's main gun armament consisted of three 4-inch (102 mm) QF Mark IV guns, with 120 rounds of ammunition carried per gun. Two 21-inch (533 mm) torpedo tubes were fitted, while two reload torpedoes could be carried. The ship was fitted with a 2-pounder "pom-pom" anti-aircraft autocannon during the First World War, while in 1918 the torpedo tubes (and possibly one of the 4-inch guns) was removed to allow a heavy depth charge armament to be carried. ''Porpoise'' was laid down at Thornycoft's Woolston shipyard on 14 March 1913 and launched on 21 July 1913. In 1912, as part of a general reorganisation of the Royal Navy's destroyers into alphabetical classes, the ''Acasta''s became the K-class, and in 1913, it was decided to switch to names beginning with the class letter, with ''Porpoise'' being allocated the name ''Kennington'', but this plan was abandoned for the class and ''Porpoise'' completed under her original name in January 1914.〔〔 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 Porpoise (1913)」の詳細全文を読む スポンサード リンク
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