Design and Description
The design of the Peresvet class was inspired by the British second-class battleships of the Centurion class. The British ships were intended to defeat commerce-raiding armored cruisers like the Russian ships Rossia and Rurik and the Peresvet class were designed to support their armored cruisers. This role placed a premium on high speed and long range at the expense of heavy armament and armor.
Oslyabya was 434 feet 5 inches (132.4 m) long overall, had a beam of 71 feet 6 inches (21.79 m) and a draft of 26 feet 3 inches (8.0 m). Designed to displace 12,674 long tons (12,877 t), she was almost 2,000 long tons (2,000 t) overweight and displaced 14,408 long tons (14,639 t). Her crew consisted of 27 officers and 744 enlisted men. The ship was powered by three vertical triple-expansion steam engines using steam generated by 30 Belleville boilers. The engines were rated at 14,500 indicated horsepower (10,800 kW), using forced draught, and designed to reach a top speed of 18 knots (33 km/h; 21 mph). Oslyabya, however, reached a top speed of 18.33 knots (33.95 km/h; 21.09 mph) from 15,051 indicated horsepower (11,224 kW) during her sea trials in September 1902. She carried a maximum of 2,060 long tons (2,090 t) of coal which allowed her to steam for 6,200 nautical miles (11,500 km; 7,100 mi) at a speed of 10 knots (19 km/h; 12 mph).
The ship's main battery consisted of four 10-inch (254 mm) guns mounted in two twin-gun turrets, one forward and one aft of the superstructure. The secondary armament consisted of eleven Canet 6-inch (152 mm) quick-firing (QF) guns, mounted in casemates on the sides of the hull and in the bow, underneath the forecastle. A number of smaller guns were carried for defence against torpedo boats. These included twenty 75-millimeter (3.0 in) QF guns, twenty 47-millimeter (1.9 in) Hotchkiss guns and eight 37-millimeter (1.5 in) guns. She was also armed with five 15-inch (381 mm) torpedo tubes, three above water and two submerged. The ship carried 45 mines to be used to protect her anchorage. Oslyabya's waterline armor belt consisted of Harvey armor and was 4–9 inches (102–229 mm) thick. The Krupp cemented armor of her gun turrets had a maximum thickness of 9 in (229 mm) and her deck ranged from 2 to 3 inches (51 to 76 mm) in thickness.
Read more about this topic: Russian Battleship Oslyabya
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