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''Imperator Pavel I'' ((ロシア語: Император Павел I) - Czar Paul I) was an predreadnought battleship built for the Imperial Russian Navy in the first decade of the 20th century. The ship's construction was seriously extended by design changes as a result of the Russo-Japanese War and labor unrest after the 1905 Revolution and she took nearly six years to build. ''Imperator Pavel I'' was not very active during World War I and her bored sailors were the first to mutiny in early 1917. The ship was laid up in 1918 and she was scrapped in 1923. ==Description== ''Imperator Pavel I'' was long at the waterline and long overall. She had a beam of and a draft of . She displaced at deep load. Her hull was subdivided by 17 transverse watertight bulkheads and the engine rooms were divided by a centerline longitudinal bulkhead. She had a double bottom and a metacentric height of .〔McLaughlin, pp. 180, 185〕 ''Imperator Pavel I'' had two 4-cylinder vertical triple-expansion steam engines with a total designed output of . Twenty-five Belleville boilers provided steam to the engines at a working pressure of . On sea trials, the engines produced and a top speed of . She carried a normal load of of coal that provided a range of at a speed of and a maximum load of that gave at the same speed.〔McLaughlin, pp. 181, 187〕 The main armament consisted of two pairs of 12-inch Model 1895 40-caliber guns mounted in twin-gun turrets fore and aft. These guns had a maximum elevation of 35° and could depress to -5°. 80 rounds per gun were carried and they could fire one round per minute. Eight of the fourteen Model 1905 45-caliber guns were mounted in four twin-gun turret at the corners of the superstructure while six were mounted in casemates in the superstructure. For defense against torpedo boats, ''Imperator Pavel I'' carried twelve guns mounted in casemates above the 8-inch guns in the superstructure. Two underwater torpedo tubes were mounted, one on each side, and they were provided with six spare torpedoes.〔McLaughlin, p. 186〕 Based on the Russian experience at the Battle of Tsushima, the sides of the ship's hull were completely protected by Krupp cemented armor. The main waterline belt had a maximum thickness of and the upper belt was at its thickest. The sides of the main gun turrets were thick and the armor of the casemates ranged from in thickness. The greatest thickness of deck armor was .〔McLaughlin, p. 181〕 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「Russian battleship Imperator Pavel I」の詳細全文を読む スポンサード リンク
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