French cruiser Pothuau

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Pothuau at anchor
Class overview
Operators French Navy
Preceded byAmiral Charner class
Succeeded byJeanne d'Arc
History
NamePothuau
Namesake
Louis Pothuau
Ordered11 April 1893
Builder
Forges et Chantiers de la Méditerranée, Granville
Cost11,156,422 francs
Laid down25 May 1893
Launched19 September 1895
Completed9 July 1897
Commissioned8 June 1897
Decommissioned12 June 1926
Stricken3 November 1927
FateSold for scrap, 25 September 1929
General characteristics
Type
Armoured cruiser
Displacement5,460 tonnes (5,374 long tons)
Length113.1 m (371 ft 1 in)
Beam15.3 m (50 ft 2 in)
Draught6.4 m (21 ft 0 in)
Installed power
  • 10,000 
    PS
    )
  • 18
    Belleville boilers
Propulsion2 Shafts; 2 triple-expansion steam engines
Speed19 knots (35 km/h; 22 mph)
Range4,500 nmi (8,300 km; 5,200 mi) at 10 knots (19 km/h; 12 mph)
Complement455 (490 as flagship)
Armament
Armour

The French cruiser Pothuau was an

decommissioned in 1926 and sold for scrap
three years later.

Design and description

Pothuau measured 113.1 metres (371 ft 1 in)

deep load.[1] The ship was fitted with a prominent plough-shaped bow and was considered a good sea boat.[2] She had a crew of 21 officers and 434 enlisted men; assignment as a flagship added 5 officers and 29 more sailors.[3]

The ship had two vertical

forced draught. Pothuau exceeded her designed speed of 19 knots (35 km/h; 22 mph) during her sea trials, reaching 19.2 knots (35.6 km/h; 22.1 mph) from 10,398 PS (7,648 kW). She carried up to 630 tonnes (620 long tons) of coal and could steam for 4,500 nautical miles (8,300 km; 5,200 mi) at a speed of 10 knots (19 km/h; 12 mph).[3]

Pothuau's main armament consisted of two 40-calibre 194 mm (7.6 in) Modèle 1893 guns that were mounted in single-gun turrets, one each fore and aft of the superstructure.[2] The guns fired 75–90.3-kilogram (165–199 lb) shells at muzzle velocities ranging from 770 to 800 metres per second (2,500 to 2,600 ft/s).[4] The ship's secondary armament comprised ten 40-calibre 138 mm (5.4 in) Modèle 1893 guns, five on each broadside in casemates.[3] Their 30–35-kilogram (66–77 lb) shells were fired at muzzle velocities of 730 to 770 metres per second (2,400 to 2,500 ft/s).[5] For close-range anti-torpedo boat defense, she carried a dozen quick-firing (QF) 47-millimetre (1.9 in) and eight QF 37-millimetre (1.5 in) Hotchkiss guns. Pothuau was also armed with four 450-millimetre (17.7 in) above-water rotating torpedo tubes.[6]

Pothuau was protected by a nickel-steel[7] armour belt that ranged in thickness from 80 millimetres (3.1 in) amidships to 52 millimetres (2.0 in) at the ship's ends. It extended from 1.2 metres (3 ft 11 in) below the waterline to 2.5 metres (8 ft 2 in) above it. The curved protective deck was 55–105 millimetres (2.2–4.1 in) thick. The armour protecting the conning tower was 240 millimetres (9.4 in) thick.[3] Protecting the boiler rooms, engine rooms, and magazines below it was a thin splinter deck.[7] The turret armour was 180 millimetres (7.1 in) thick and the casemates were protected by armour plates 84 millimetres (3.3 in) thick. All told the ship's armour weighed 1,346 tonnes (1,325 long tons).[3]

Construction and career

"The Pothuau, armoured cruiser on which the Franco-Russian Alliance was signed"

Pothuau, named after French admiral and politician

sea trials on 17 August 1896, definitively commissioned on 8 June 1897 and accepted from the builder (fin de recettes) on 9 July.[1]

Assigned to the Escadre du Nord (Northern Squadron), the ship represented France during

Counter Admiral) Maréchal[9] who was relieved by Contre-Amiral Caillard several months later.[10] Around May 1904 the ship was relieved as the flagship of the Mediterranean Fleet's Cruiser Squadron[11] and she was placed into reserve in mid-1905. Pothuau was recommissioned on 17 April 1906 to serve as a gunnery training ship[3] and became flagship of the combined gunnery school under Contre-Amiral Le Bris in 1910.[12] During this time the ship tested a fire-control system,[13] and continued as a gunnery training ship through July 1914.[3]

In August 1914, at the beginning of World War I, Pothuau was serving in the

reservists sailing from Barcelona, Spain, to Genoa, Italy.[14] The ship departed Toulon on 24 October to support the invasion of the German colony of Kamerun in Africa and remained there until relieved by the protected cruiser Friant on 21 June 1915. She arrived at Lorient on 19 July to begin an overhaul that lasted until 2 January 1916. Pothuau was then transferred to the Red Sea and Indian Ocean where she escorted Allied merchant ships and searched for German commerce raiders.[3]

Together with the British

Saigon, French Indochina, before returning to the Mediterranean in September. Upon returning to Toulon, she underwent a short refit that lasted until 9 November that allowed her to use a kite balloon.[3]

Pothuau resumed her previous role of gunnery training ship after the war; during this time her main gun turrets were replaced by experimental

anti-aircraft guns. The ship was decommissioned on 12 June 1926 and stricken on 3 November 1927. She was sold for 2,017,117 francs[3] on 25 September 1929 to be broken up.[8]

Notes

  1. ^ a b Wright & Becker, pp. 137, 145
  2. ^ a b Silverstone, p. 76
  3. ^ a b c d e f g h i j k Wright & Becker, p. 145
  4. ^ Friedman 2011, p. 218
  5. ^ Friedman 2011, p. 224
  6. ^ Jordan & Caresse, pp. 39, 41–42
  7. ^ a b Chesneau & Kolesnik, p. 304
  8. ^ a b Silverstone, p. 108
  9. ^ Naval Notes, July 1900
  10. ^ Naval Notes, September 1900
  11. ^ Naval Notes, May 1904
  12. ^ Foreign Naval Correspondence
  13. ^ Friedman 2013, p. 248
  14. ^ Monograph No. 8, p. 89
  15. ^ Turncoat Carriers, p. 292
  16. ^ Newbolt, p. 218

References

  • Chesneau, Roger & Kolesnik, Eugene M., eds. (1979). Conway's All The World's Fighting Ships 1860–1905. London: Conway Maritime Press.
    ISBN 0-85177-133-5
    .
  • Friedman, Norman (2013). Naval Firepower: Battleship Guns and Gunnery in the Dreadnought Era. Barnsley, UK: Seaforth Publishing.
    ISBN 978-1848321854
    .
  • ISBN 978-1-84832-100-7
    .
  • Jordan, John & Caresse, Philippe (2019). French Armoured Cruisers 1887–1932. Barnsley, UK: Seaforth Publishing.
    ISBN 978-1-5267-4118-9
    .
  • "Foreign Naval Correspondence". The Navy. IV (2): 14. April 1910. Retrieved 13 January 2018.
  • "Naval and Military Notes". Journal of the Royal United Service Institution. XLIV (269). Royal United Services Institute: 809. July 1900. Retrieved 13 January 2018.
  • "Naval and Military Notes". Journal of the Royal United Service Institution. XLIV (271). Royal United Services Institute: 1066. September 1900. Retrieved 13 January 2018.
  • "Naval Notes". Journal of the Royal United Service Institution. XLVIII (315). Royal United Services Institute: 562. May 1904. Retrieved 13 January 2018.
  • Monograph No. 8: The Mediterranean 1914–1915 (PDF). Naval Staff Monographs (Historical). Vol. VIII. The Naval Staff, Training and Staff Duties Division. 1923.
  • Newbolt, Henry (1996). Naval Operations. History of the Great War Based on Official Documents. Vol. IV (reprint of the 1928 ed.). Nashville, Tennessee: Battery Press.
    ISBN 0-89839-253-5
    .
  • Silverstone, Paul H. (1984). Directory of the World's Capital Ships. New York: Hippocrene Books.
    ISBN 0-88254-979-0
    .
  • Wright, C.C. & Becker, William A. (June 2014). "The French Armoured Cruiser Pothuau".
    ISSN 0043-0374
    .
  • "Turncoat Carriers". Warship International. V (4). Naval Records Club: 285–294. 1968.
    ISSN 0043-0374
    .

External links

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