| History | |
|---|---|
 Second French Empire | |
| Name | Redoutable |
| Ordered | 17 February 1853 |
| Builder | Arsenal de Rochefort |
| Laid down | 11 April 1853 |
| Launched | 25 October 1855 |
| Completed | November 1856 |
| Commissioned | 24 November 1856 |
| In service | 26 March 1857 |
| Stricken | 15 November 1869 |
| Fate | Scrapped, 1873–1874 |
| General characteristics (as built) | |
| Class and type | Algésiras-class |
| Displacement | 5,121 t (5,040 long tons) |
| Length | 71.23 m (233 ft 8 in) (waterline) |
| Beam | 16.8 m (55 ft 1 in) |
| Draught | 8.45 m (27 ft 9 in) (full load) |
| Depth of hold | 8.16 m (26 ft 9 in) |
| Installed power | 8 boilers; 3,602 PS (2,649 kW) |
| Propulsion | 1 screw; 2 horizontal-return connecting-rod steam engines |
| Sail plan | Ship rigged |
| Speed | 12 knots (22 km/h; 14 mph) |
| Complement | 913 |
| Armament |
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Redoubtable was one of five second-rank, 90-gun, steam-powered Algésiras-class ships of the line built for the French Navy in the 1850s. The ship participated in the Second Italian War of Independence in 1859 and was scrapped in 1873–1874.