HMS Ocean (1862)
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HMS Ocean in 1868
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| History | |
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 United Kingdom
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| Name: | HMS Ocean |
| Builder: | Devonport Dockyard |
| Cost: | £298,851 |
| Laid down: | 23 August 1860 |
| Launched: | 19 March 1863 |
| Completed: | 6 September 1866 |
| Commissioned: | July 1866 |
| Decommissioned: | June 1872 |
| Fate: | Sold for scrap, 1882 |
| General characteristics | |
| Class and type: | Prince Consort-class armoured frigate |
| Displacement: | 6,832 long tons (6,942 t) |
| Length: | 273 ft 1 in (83.2 m) |
| Beam: | 58 ft 5 in (17.8 m) |
| Draught: | 27 ft 6 in (8.4 m) |
| Installed power: | |
| Propulsion: | 1 shaft, 1 Horizontal return connecting-rod steam engine |
| Sail plan: | Barque rig |
| Speed: | 12 knots (22 km/h; 14 mph) |
| Range: | 2,000 nmi (3,700 km; 2,300 mi) at 5 knots (9.3 km/h; 5.8 mph) |
| Complement: | 605 |
| Armament: | 24 × 7-inch rifled muzzle-loading guns |
| Armour: | |
HMS Ocean was the last of the Royal Navy's four Prince Consort-class ironclads to be completed in the mid-1860s. She was originally laid down as a 91-gun second-rate ship of the line, and was converted during construction to an armoured frigate. The ship spent the bulk of her career on the China Station and served as flagship there for a time. Upon her return to Great Britain in 1872 her hull was found to be partly rotten and she was placed in until she was sold for scrap in 1882.
HMS Ocean was 273 feet 1 inch (83.2 m) long between perpendiculars and had a beam of 58 feet 5 inches (17.8 m). The ship had a draught of 24 feet 5 inches (7.4 m) forward and 27 feet 6 inches (8.4 m) aft. She displaced 6,832 long tons (6,942 t).
Ocean had a metacentric height of 6.01 feet (1.83 m) which meant that she rolled a lot and was an unsteady gun platform. Her hull was sheathed with Muntz metal to reduce biofouling. Her crew consisted of 605 officers and enlisted men.
Ocean had a simple horizontal 2-cylinder horizontal return connecting-rod steam engine driving a single propeller shaft using steam was provided by eight rectangular boilers. The engine produced 4,244 indicated horsepower (3,165 kW) during the ship's sea trials in June 1864 which gave the ship a maximum speed of 12.9 knots (23.9 km/h; 14.8 mph). Ocean carried a maximum of 570 long tons (580 t) of coal, enough to steam 2,000 nautical miles (3,700 km; 2,300 mi) at 5 knots (9.3 km/h; 5.8 mph). She was barque-rigged with three masts and had a sail area of 25,000 square feet (2,300 m2). Her best speed with the propeller disconnected and under sail alone was 11.5 knots (21.3 km/h; 13.2 mph).Yards were added to the ship's mizzenmast by 1866 and Ocean was given a full ship rig which she retained for the rest of her career.
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