French ironclad Suffren
Model of Océan on display at the Musée de la Marine, Paris
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| History | |
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 France
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| Name: | Suffren |
| Namesake: | Pierre André de Suffren de Saint Tropez |
| Builder: | Arsenal de Cherbourg |
| Laid down: | July 1866 |
| Launched: | 26 December 1870 |
| Completed: | 5 August 1873 |
| Commissioned: | 1 March 1876 |
| Struck: | 1895 |
| Fate: | Discarded 15 July 1897 |
| General characteristics | |
| Class and type: | Océan-class ironclad |
| Displacement: | 7,800 metric tons (7,700 long tons) |
| Length: | 86.2 m (282 ft 10 in) |
| Beam: | 17.52 m (57 ft 6 in) |
| Draft: | 9.09 m (29.8 ft) |
| Installed power: | 4,100 ihp (3,100 kW) |
| Propulsion: |
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| Sail plan: | Barque or barquentine-rig |
| Speed: | 14 knots (26 km/h; 16 mph) |
| Range: | approximately 3,000 nautical miles (5,600 km; 3,500 mi) at 10 knots (19 km/h; 12 mph) |
| Complement: | 750–778 |
| Armament: |
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| Armor: | |
Suffren was a wooden-hulled, armored frigate of the Océan class, built for the French Navy in the mid to late 1860s. Although she was laid down in 1866, the ship was not launched until 1870 and commissioned in 1876. Suffren was one of the French ships assigned to the international squadron gathered to force the Ottoman Empire to carry out its obligations under the Treaty of Berlin in 1880. The ship was paid off in 1895 and discarded two years later.
The Océan-class ironclads were designed by Henri Dupuy de Lôme as an improved version of the Provence-class ironclads. The ships were central battery ironclads, with the armament concentrated amidships. For the first time in a French ironclad three watertight iron bulkheads were fitted in the hull. Like most ironclads of their era, they were equipped with a metal-reinforced ram.
The ship measured 87.73 meters (287 ft 10 in) overall, with a beam of 17.52 meters (57 ft 6 in). Suffren had a maximum draft of 9.09 meters (29 ft 10 in) and displaced 7,800 metric tons (7,700 long tons). Her crew numbered between 750 and 778 officers and men. The metacentric height of the ship was very low, between 1.7–2.2 feet (0.5–0.7 m).
The Océan-class ships had one horizontal return connecting rod compound steam engine driving a single propeller. Their engines were powered by eight oval boilers. On sea trials the engine produced 4,100 indicated horsepower (3,100 kW) and Suffren reached 14.3 knots (26.5 km/h; 16.5 mph). She carried 650 metric tons (640 long tons) of coal which allowed her to steam for approximately 3,000 nautical miles (5,600 km; 3,500 mi) at a speed of 10 knots (19 km/h; 12 mph). The Océan-class ships were barque or barquentine-rigged with three masts and had a sail area around 2,000 square meters (22,000 sq ft).
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