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HMS Thunderer (1872) : ウィキペディア英語版 | HMS Thunderer (1872)
HMS ''Thunderer'' was a British Royal Navy ''Devastation''-class battleship. ==Background and description== ''Thunderer'' was an ironclad turret ship designed by Edward James Reed with revolving turrets, launched in 1872. ''Thunderer'' and ''Devastation'' were the world's first mastless battleships; armed with four 12-inch guns in rotating turrets and with a central superstructure layout, these ships are the prototypes of all subsequent warships. With 12 inches of ironclad armour from end to end, they weighed over 6,000 tons, despite a length of only 285 feet. Their hydraulic turret machinery and twin screw propulsion - with sufficient coal to provide a range of 4,700 miles - put them in the forefront of mechanical design. The innovations introduced on these ships led to them being regarded with some suspicion, and this was partly justified when two unfortunate accidents clouded the initial success of the design.
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