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HMS Rattlesnake (1886)
HMS ''Rattlesnake'' was a unique design of torpedo gunboat of the Royal Navy. A result of the Russian war scare of 1885, she was designed by Nathaniel Barnaby that year and built by Laird Brothers, of Birkenhead. Quickly made obsolete by the new torpedo boat destroyers, she became an experimental submarine target ship in 1906, and was sold in 1910.
==Design==
Designed by Nathaniel Barnaby in 1885, ''Rattlesnake'' was, like the torpedo cruisers and the s, built in response to the Russian War scare.〔 They were intended as a form of gunboat armed with torpedoes and designed for hunting and destroying smaller torpedo boats. By the end of the 1890s torpedo gunboats were superseded by their more successful contemporaries, the torpedo boat destroyers, and this quickly made ''Rattlesnake'' and her follow-on classes, the s, s, s and s, obsolete.
Exactly long and in beam, she displaced 550 tons. Built of steel, ''Rattlesnake'' was un-armoured with the exception of a -inch protective deck. She was armed with a single 4-inch/25-pounder breech-loading gun, six 3-pounder QF guns and four torpedo tubes, arranged with two fixed tubes at the bow and a set of torpedo dropping carriages on either side. Four torpedo reloads were carried.〔
Propulsion was provided by two sets of Laird Brothers vertical triple-expansion steam engines, making her the first vessel in the Royal Navy to have such efficient engines.〔 Steam was supplied from locomotive boilers and twin screws propelled her at up to on natural draught or with forced draught.〔
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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