|
The ''General-Admiral''-class ships were a pair of armored cruisers built for the Imperial Russian Navy in the early 1870s. They are generally considered as the first true armored cruisers.〔Beeler, p. 222〕 ==Design and description== Originally classified as armored corvettes, the ''General-Admiral''s were redesignated as semi-armored frigates on 24 March 1875. They were laid out as central battery ironclads with the armament concentrated amidships.〔 The ''General-Admiral''-class ships were long overall. They had a beam of and a draft of . The ships were designed to displace , but displaced as built, an increase of over . The iron-hulled ships were not fitted with a ram and their crew numbered approximately 482 officers and men.〔Watts, p. 72〕 The ships had a vertical compound steam engine driving a single two-bladed, propeller, using steam provided by cylindrical boilers. The number of boilers differed between the sisters. ''General-Admiral'' had five that generated a working pressure of so that the engine produced . This gave her during a maximum speed around during her sea trials. ''Gerzog Edinburgski'' had four boilers and her engine made that propelled her at .〔Wright, pp. 44–45〕 The ''General-Admiral'' class carried a maximum of of coal which gave them an economical range of at a speed of . They were ship-rigged with three masts. To reduce drag while under sail, the single funnel was retractable and the propeller could be hoisted into the hull.〔Wright, p. 45〕 The sisters also differed in their armament. ''General-Admiral'' had six , two and four rifled breech-loading guns (RBL). ''Gerzog Edinburgski'' had four 8-inch, five 6-inch and six guns.〔Silverstone, p. 359〕 The ships had a complete waterline belt of wrought iron that ranged in thickness from 6 inches amidships to at the ends of the ships. The armor had a total height of height of , of which was below the waterline. The central battery was also protected by 6-inch armor plates.〔Wright, p. 44〕 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「General-Admiral-class cruiser」の詳細全文を読む スポンサード リンク
|