French ship Redoutable (1855)

Ship of the line of the French Navy

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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

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.


The Algésiras-class ships were repeats of the pioneering ship of the line Napoléon and were also designed by naval architect Henri Dupuy de Lôme. They had a length at the waterline of 71.23 metres (233 ft 8 in), a beam of 16.8 metres (55 ft 1 in) and a depth of hold of 8.16 metres (26 ft 9 in). The ships displaced 5,121 tonnes (5,040 long tons) and had a draught of 8.45 metres (27 ft 9 in) at deep load. Their crew numbered 913 officers and ratings.[1]

The primary difference between Napoléon and the Algésiras class was that the boilers of the latter ships were moved forward of the engines. They were powered by a pair of four-cylinder horizontal-return connecting-rod steam engines that drove the single propeller shaft using steam provided by eight boilers.[1] The engines were rated at 910 nominal horsepower and produced 3,602 metric horsepower (2,649 kW).[2] The ships were fitted with three masts and ship rigged.[1]

The armament of the Algésiras-class ships consisted of eighteen 36-pounder (174.8 mm (6.9 in)) smoothbore cannon and sixteen 223.3 mm (8.8 in) Paixhans guns on the lower gundeck and thirty-four 30-pounder 164.7 mm (6.5 in) cannon on the upper gundeck. On the quarterdeck and forecastle were twenty 163 mm (6.4 in) Paixhans guns and a pair of 163 mm rifled muzzle-loading guns.[1]


Redoutable took part in the Second Italian War of Independence under Captain Vincent Moulac. In 1860, she served off Beirut with Donawerth.[2]

She was decommissioned in 1865, was hulked in Brest and used as barracks until she was broken up in 1874.[2]


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  1. ^ a b c d Winfield & Roberts, p. 70
  2. ^ a b c Roche, I, p. 373


  • .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:”””””””‘””‘”}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output a{background:url(“//”)right 0.1em center/9px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a{background-size:contain}.mw-parser-output a,.mw-parser-output a{background:url(“//”)right 0.1em center/9px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a{background-size:contain}.mw-parser-output a{background:url(“//”)right 0.1em center/9px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a{background-size:contain}.mw-parser-output .cs1-ws-icon a{background:url(“//”)right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#2C882D;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit} .mw-parser-output .cs1-maint{color:#18911F} .mw-parser-output .cs1-visible-error, .mw-parser-output .cs1-hidden-error{color:#f8a397}@media(prefers-color-scheme:dark){ .mw-parser-output .cs1-visible-error, .mw-parser-output .cs1-hidden-error{color:#f8a397} .mw-parser-output .cs1-maint{color:#18911F}}Roche, Jean-Michel (2005). Dictionnaire des bâtiments de la flotte de guerre française de Colbert à nos jours. Vol. Tome I: 1671–1870. ISBN 978-2-9525917-0-6. OCLC 165892922.
  • Winfield, Rif & Roberts, Stephen S. (2015). French Warships in the Age of Sail 1786–1861: Design, Construction, Careers and Fates. Barnsley, UK: Seaforth Publishing. ISBN 978-1-84832-204-2.


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