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The ''Prince Consort'' class of battleship were four Royal Navy wooden-hulled broadside ironclads: HMS ''Royal Oak'', HMS ''Prince Consort'', HMS ''Ocean'', and HMS ''Caledonia''. They were originally laid down as ''Bulwark''-class battleships, but were converted to ironclads. ''Royal Oak'' was Britain's fifth ironclad battleship completed. ''Prince Consort'', ''Ocean'', and ''Caledonia'' were built to a common design and are today known as the ''Prince Consort class'',〔Conways, "All the World's Fighting Ships 1860–1905" p10.〕 though contemporaries knew them as the ''Caledonia class''.〔For example: Reed, "Our Iron-Clad Ships. Robinson, "Remarks on Admiral Yelverton's Report on the Cruise of the Channel Fleet". Parkes writing in the 1950s also called them the ''Caledonias'', Parkes, "British Battleships" p55.〕 ''Royal Oak'' was their half-sister. == Genesis == The ''Bulwark'' class of nine 91-gun two-decker steam line-of-battle ships were laid down between March 1859 and October 1860 (a further three were ordered, but never laid down, and eventually cancelled in 1863). Their dimensions were the same as HMS ''Duncan'' (101 guns), but had a new timbering plan to suit the smaller armament. The reduction in armament was intended to improve the efficiency of the guns.〔 ''Bulwark'' and ''Robust'' were suspended in March 1861 in an advanced state of construction and were eventually broken up in March 1873 and August 1872 respectively.〔Lambert, "Battleships in Transition", p 126.〕 The remaining seven ships of the ''Bulwark'' class were less complete state and were converted into 'ironclad frigates'. Of these ''Triumph'' (later renamed ''Prince Consort''), ''Ocean'', and ''Caledonia'' were converted to 'broadside ironclads' with 1000 nhp engines. ''Royal Oak'' had a similar conversion but with the original 800 nhp engine. ''Royal Alfred'', ''Zealous'' and ''Repulse'' were later converted into 'central battery ships'.〔Conways, p 10–13.〕 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「Prince Consort-class ironclad」の詳細全文を読む スポンサード リンク
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