HMS Cochrane (1905)
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| History | |
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 United Kingdom
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| Name: | HMS Cochrane |
| Builder: | Fairfield Shipbuilding and Engineering, Govan |
| Laid down: | 24 March 1904 |
| Launched: | 28 May 1905 |
| Completed: | 18 February 1907 |
| Fate: | Stranded on the River Mersey 14 November 1918, wreck broken up |
| General characteristics | |
| Class and type: | Warrior-class armoured cruiser |
| Displacement: |
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| Length: | 505 ft 4 in (154.0 m) |
| Beam: | 73 ft 6 in (22.4 m) |
| Draught: | 27 ft 6 in (8.4 m) (maximum) |
| Installed power: | 23,650 ihp (17,640 kW) |
| Propulsion: |
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| Speed: | 23 knots (43 km/h; 26 mph) |
| Complement: | 712 |
| Armament: |
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| Armour: | |
HMS Cochrane was a Warrior-class armoured cruiser built for the Royal Navy in the first decade of the 20th century. She served in the 2nd Cruiser Squadron during the First World War under Rear-Admiral Herbert Heath, taking part in the Battle of Jutland in 1916. She was based in Murmansk in mid-1918 during the Allied intervention in the Russian Civil War. She became stranded in the River Mersey on 14 November 1918 and broke in two. The wreck was broken up in place by June 1919.
Cochrane displaced 13,550 long tons (13,770 t) as built and 14,500 long tons (14,700 t) fully loaded, with a length of 505 feet 4 inches (154.0 m), a beam of 73 feet 6 inches (22.4 m) and a draft of 27 feet 6 inches (8.4 m). She was powered by four-cylinder triple-expansion steam engines, driving two shafts, which developed a total of 23,650 indicated horsepower (17,640 kW) and gave a maximum speed of 23.3 knots (43.2 km/h; 26.8 mph). The engines were powered by 19 Yarrow water-tube boilers and six cylindrical boilers. The ship carried a maximum of 2,050 long tons (2,080 t) of coal and an additional 600 long tons (610 t) of fuel oil that was sprayed on the coal to increase its burn rate. At full capacity, she could steam for 7,960 nautical miles (14,740 km; 9,160 mi) at a speed of 10 knots (19 km/h; 12 mph).
Her main armament consisted of six BL 9.2-inch (234 mm) Mark X guns in single Mk V turrets distributed in two centerline turrets (one each fore and one aft) and four turrets disposed in the corners about the funnels. Her secondary armament of four BL 7.5-inch (191 mm) Mark II or Mark V guns in single Mk II turrets was carried amidships, between the wing 9.2-inch guns. Twenty-six Vickers QF 3 pounders were fitted, ten on turret roofs and eight each on the forward and aft superstructures. The last four ships of the Duke of Edinburgh-class cruisers had a secondary armament of turreted 7.5-inch guns rather than the 6-inch (152 mm) guns in open barbettes of the first two ships; these latter four were sometimes referred to as the Warrior class. Because of the extra topweight of the turrets in comparison to their half-sisters their stability was reduced which made them very good seaboats and steady gun platforms.
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