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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Light cruiser ： ウィキペディア英語版 Light cruiser A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to this smaller cruisers had been of the protected cruiser model, possessing armored decks only. ==History== The first small steam powered cruisers were built for the British Royal Navy with HMS ''Mercury'' launched in 1878. Such second and third class protected cruisers evolved, gradually becoming faster, better armed and better protected. Germany took a lead in small cruiser design in the 1890s, building a class of fast cruisers—the —copied by other nations. Such vessels were powered by coal-fired boilers and reciprocating steam engines and relied in part on the arrangement of coal bunkers for their protection. The adoption of oil-fired water-tube boilers and steam turbine engines meant that older small cruisers rapidly became obsolete. Furthermore, new construction could not rely on the protection of coal bunkers and would therefore have to adopt some form of side armoring. The British ''Bristol'' group of cruisers (1909) were a departure from previous designs; with turbine propulsion, mixed coal and oil firing and a 2 inch protective armoured belt as well as deck. Thus, by definition, they were armoured cruisers, despite displacing only 4,800 tons; the light armored cruiser had arrived. The first true modern light cruisers were the (1911) which had all oil-firing and used lightweight destroyer-type machinery to make . 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「Light cruiser」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.