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French cruiser Châteaurenault (1898)

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For other ships with the same name, see French cruiser Châteaurenault.
French cruiser Chateaurenault NH 55636.jpg
Châteaurenault coaling in Toulon during World War I
Class overview
Operators French Navy
Preceded byGuichen
Succeeded by D'Estrées class
History
France
NameChâteaurenault
Laid downMay 1896
Launched12 May 1898
CommissionedOctober 1902
FateSunk by German submarine UC-38, 14 December 1917
General characteristics
TypeProtected cruiser
Displacement7,898 long tons (8,025 t)
Length135 m (442 ft 11 in) lwl
Beam17 m (55 ft 9 in)
Draft7.39 m (24 ft 3 in)
Installed power
Propulsion
  • 3 × triple-expansion steam engines
  • 3 × screw propellers
Speed24 knots (44 km/h; 28 mph)
Range7,500 nmi (13,900 km; 8,600 mi) at a speed of 12 kn (22 km/h; 14 mph)
Crew604
Armament
Armor

Châteaurenault was a large protected cruiser built for the French Navy in the late 1890s and early 1900s. She was intended to serve as a long-range commerce raider, designed according to the theories of the Jeune École, which favored a strategy of attacking Britain's extensive merchant shipping network instead of engaging in an expensive naval arms race with the Royal Navy. As such, Châteaurenault was built with a relatively light armament of just eight medium-caliber guns, but was given a long cruising range and the appearance of a large passenger liner, which would help her to evade detection while raiding merchant shipping.

Châteaurenault spent much of her early career overseas in French Indochina, deploying there immediately after her commissioning in 1902 through mid 1904, and then again in 1905–1906. She was reduced to reserve in 1907 and then modified to serve as a fast minelayer the following year. She was assigned to the Reserve Division of the Mediterranean Squadron. She saw little further activity until the outbreak of World War I in July 1914.

The ship was mobilized into the and based in the western English Channel. She was moved to the Mediterranean Sea in early 1915 and then to French Senegal to search for German commerce raiders in early 1916. Having been transferred back to the Mediterranean by October 1916, she rescued survivors from the troopship SS Gallia that had been sunk by a German U-boat. Châteaurenault was herself torpedoed and sunk in December 1917, but she sank slowly enough for her crew to be taken off by a pair of destroyers, which in turn sank the German submarine.

Design[]

The Columbia-class cruiser USS Minneapolis, which strongly influenced the design for Châteaurenault

In the mid-1880s, elements in the French naval command argued over future warship construction; the Jeune École advocated building long-range and fast protected cruisers for use as commerce raiders on foreign stations while a traditionalist faction preferred larger armored cruisers and small fleet scouts, both of which were to operate as part of the main fleet in home waters. By the end of the decade and into the early 1890s, the traditionalists were ascendant, leading to the construction of several armored cruisers of the Amiral Charner class, though the supporters of the Jeune École secured approval for one large cruiser built according to their ideas, which became D'Entrecasteaux.[1]

These debates took place in the context of shifting geopolitical alliances and rivalries. The early 1890s was marked by serious strategic confusion in France; despite the Franco-Russian Alliance of 1891, which should have produced friction between the two countries and their imperial rival Britain, the French Navy was still oriented against the German-led Triple Alliance. This outlook was cemented in the naval program of 1894, but even the Navy's strategic planning remained muddled. The program authorized the large protected cruisers Châteaurenault and Guichen, both of which were intended as long-distance commerce raiders. These vessels were ideally suited to attack the extensive merchant shipping network of Britain, not the continental powers of Germany or Austria-Hungary.[1]

The designs for Châteaurenault and Guichen were based on the United States Navy's Columbia-class cruisers, using the same hull lines as the American vessels. Both ships were intended to resemble passenger liners, which would help them evade discovery while conducting commerce raiding operations. The French cruisers suffered from several defects, however, including insufficient speed to catch the fast transports that would be used to carry critical materiel in wartime and their vast expense militated against their use to attack low-value shipping. Additionally, their weak armament precluded their use against enemy cruisers.[1]

General characteristics and machinery[]

Châteaurenault while fitting out in around 1900

Châteaurenault was 135 m (442 ft 11 in) long at the waterline, with a beam of 17 m (55 ft 9 in) and a draft of 7.39 m (24 ft 3 in). She displaced 7,898 long tons (8,025 t). Her hull had a long forecastle deck that extended almost her entire length; her stem was slightly sloped backward and she had an overhanging stern. Combined with her four raked and equally spaced funnels, her appearance was adopted to make it relatively easy to disguise her as a passenger liner while on commerce raiding patrols. Her lower hull had straight sides, with a slight tumblehome above the waterline, rather than the pronounced tumblehome shape that characterized most other large French warships of the period.[2][3]

The ship was fitted with a pair of light pole masts for observation and signalling purposes; they were also fitted with platforms for six searchlights. Her superstructure was fairly minimal, consisting of a conning tower and bridge structure forward and a smaller, secondary conning position aft. Her crew numbered 604 officers and enlisted men. French naval officers considered Châteaurenault to have improved handling characteristics over her predecessor Guichen. Most of her auxiliary equipment was electric-powered, apart from her boat hoists, which used steam from her propulsion system. Her electric plan consisted of four dynamos rated at 80 volts.[2][4]

The ship's propulsion system consisted of three vertical triple-expansion steam engines driving three screw propellers. Steam was provided by fourteen coal-burning, Normand Sigaudy water-tube boilers. The boilers were divided into four boiler rooms, three groups of four and a fourth group of two. These were ducted into four funnels located amidships; the funnel number and arrangement was also selected to give her the appearance of a passenger liner. Her machinery was rated to produce 23,000 indicated horsepower (17,000 kW) for a top speed of 24 knots (44 km/h; 28 mph) Coal storage amounted to 1,960 long tons (1,990 t).[2][5] Her cruising range was 7,500 nautical miles (13,900 km; 8,600 mi) at a speed of 12 knots (22 km/h; 14 mph).[6] During her initial speed test, she only reached 23.12 knots (42.82 km/h; 26.61 mph) from 21,600 ihp (16,100 kW).[7]

Armament and armor[]

Profile and plan drawing of Châteaurenault

Despite her large size, Châteaurenault carried a relatively light armament, since she was intended to engage unarmed merchant vessels, not other cruisers. Her main battery consisted of two 164 mm (6.5 in) M1893 45-caliber (cal.) quick-firing (QF) gun in single pivot mounts, fore and aft on the centerline, which fired a variety of shells, including solid cast iron projectiles, and explosive armor-piercing (AP) and semi-armor-piercing (SAP) shells. The muzzle velocity ranged from 770 to 880 m/s (2,500 to 2,900 ft/s).[2][8] These were supported by six 138 mm (5.4 in) M1893 45-cal. QF guns. Two of these were carried in sponsons amidships, while the other four were in casemates on the main deck level, one pair abreast the conning tower and the other abreast the main mast.[2] They were also supplied with cast iron, AP, and SAP projectiles, firing with a muzzle velocity of 730 to 770 m/s (2,400 to 2,500 ft/s).[9] For close-range defense against torpedo boats, she was armed with a battery of ten 47 mm (1.9 in) 3-pounder Hotchkiss guns and five 37 mm (1.5 in) 1-pounder guns.[2] All of the guns were supplied from individual magazines, with electrically or manually-operated shell hoists.[10]

Armor protection consisted of Harvey steel. Châteaurenault had a curved armor deck that was 55 mm (2.2 in) thick on the flat portion, which was about 0.79 m (2 ft 7 in) above the waterline. Toward the sides of the hull, it sloped downward to provide a measure of vertical protection, terminating at the side of the hull about 1.37 m (4 ft 6 in) below the waterline. The sloped portion increased in thickness to 100 mm (4 in), though toward the bow and stern, it was reduced to 40 mm (1.6 in). An anti-splinter deck was above the flat portion of the main deck with a cofferdam connecting it to the main deck. The forward conning tower was protected by 160 mm (6.3 in) on the sides; an armored supporting tube protected by 150 mm (5.9 in) of armor connected it to the interior of the ship. The ship's main guns were each fitted with gun shields that were 55 mm thick.[11]

Service history[]

Châteaurenault before completion; note how high the vessel sits in the water

Châteaurenault was built at the Société Nouvelle des Forges et Chantiers de la Méditerranée shipyard in La Seyne-sur-Mer, beginning with her keel laying in May 1896.[2] She was launched on 12 May 1898,[12] began sea trials in March 1900,[7] which continued through October. These included endurance tests on 8 August, where she cruised at a speed of 21 knots (39 km/h; 24 mph) for twenty hours. While operating at high speed, the ship's engines suffered from excessive vibration;[13] the brass bearings in her engines were found to be problematic, so they were replaced with steel bearings. The work delayed her completion by four or five months, and during speed tests in 1902, she reached 24.15 knots (44.73 km/h; 27.79 mph).[14] The ship was finally completed later that year.[2]

She was commissioned in October 1902 for service in China.[15] As of 1903, the unit also included the armored cruiser Montcalm and the protected cruisers Bugeaud and Pascal.[16] Châteaurenault remained in Asia through mid-1904, along with the armored cruisers Sully, Gueydon, and Montcalm and the protected cruisers Descartes and D'Assas.[17] Later that year, the ship was recalled to France.[18] In 1905, she returned to the Far East in company with Guichen to join Sully, Gueydon, and Montcalm, though Sully had by this time been lost in an accidental grounding.[19] Châteaurenault's stint in the unit was brief, and she returned to France in 1906.[20]

The ship spent the year 1907 out of service in reserve.[21] By 1908, Châteaurenault had been selected for conversion into a fast minelayer.[22] The naval command believed her resemblance to a passenger liner would again help her to evade detection while laying minefields.[23] By 1911, Châteaurenault had been assigned to the Reserve Division of the Mediterranean Squadron, based in Toulon. The unit initially also included the armored cruisers Victor Hugo and Jules Michelet and the protected cruiser Jurien de la Gravière, and later that year, it was strengthened with the addition of the armored cruiser Jules Ferry.[24]

World War I[]

The French cruisers Guichen (right) and Châteaurenault (center background) and the battleship France (left) in Toulon during World War I

At the start of World War I in August 1914, Châteaurenault was assigned to the , which was based in the English Channel. At that time, the unit consisted of the armored cruisers Marseillaise, Amiral Aube, Jeanne d'Arc, Gloire, Gueydon, and Dupetit-Thouars. The unit was based in Brest, France, and along with Lavoisier, the squadron was strengthened by the addition of several other cruisers over the following days, including the armored cruisers Kléber and Desaix, the protected cruisers Lavoisier, D'Estrées, Friant, and Guichen, and several auxiliary cruisers. The ships then conducted a series of patrols in the English Channel in conjunction with a force of four British cruisers.[25]

In April 1915, she was moved to the Mediterranean as the Allies expanded their naval operations in the area.[26] In February 1916, she was sent to reinforce the 3rd Light Division, which consisted of Gloire, Gueydon, and Dupetit-Thouars. The unit was sent to Dakar in French Senegal to patrol for German commerce raiders operating in the south Atlantic.[27] She joined in the search for the commerce raider SMS Möwe in September.[28] Châteaurenault moved back to the eastern Mediterranean by October. On 4 October, the troopship SS Gallia, a converted passenger liner carrying more than 2,000 soldiers and crew to Greece, was torpedoed and sunk by a German U-boat. No distress signal could be sent before she rapidly sank, leaving thousands in the water; more than 1,300 died before Châteaurenault passed through the area the next day and picked up the survivors.[29] As the threat of U-boats increased in late 1916, against which large cruisers were particularly vulnerable, the French naval command ordered Châteaurenault and the rest of the division to return home.[27]

On 14 December 1917, Châteaurenault was steaming to Salonika carrying a contingent of 985 troops to take part in the Allied intervention in Greece. While passing into the Gulf of Corinth, she encountered the German U-boat UC-38, which hit Châteaurenault with a single torpedo, inflicting fatal damage. Ronald Ross, a Nobel laureate, was aboard Châteaurenault at the time, and he recounted the sinking in his memoirs, noting that the ship sank slowly enough for the crew to be taken off by her escorting destroyers Mameluck and Lansquenet and nearby drifters. The only casualties were a small number of engine-room personnel who were killed by the torpedo explosion itself. UC-38 attempted to maneuver for a second shot while Châteaurenault began to sink, but Mameluck and Lansquenet launched depth charges that forced the U-boat to surface, where she was sunk by gunfire. The German survivors were also picked up by the destroyers, which carried them to Patras, before continuing on to disembark the 1,162 survivors from Châteaurenault at Itea.[28][30][31]

Notes[]

  1. ^ a b c Ropp, p. 284.
  2. ^ a b c d e f g h Campbell, p. 313.
  3. ^ Ships, p. 881.
  4. ^ Ships, pp. 881, 883–884.
  5. ^ Ships, p. 883.
  6. ^ Leyland & Brassey, p. 36.
  7. ^ a b Leyland 1900, p. 25.
  8. ^ Friedman, p. 221.
  9. ^ Friedman, p. 224.
  10. ^ Ships, p. 882.
  11. ^ Campbell, pp. 312–313.
  12. ^ Smigielski, p. 193.
  13. ^ Leyland 1901, pp. 35–36.
  14. ^ Brassey & Leyland, p. 18.
  15. ^ "Naval & Military intelligence". The Times (36899). London. 15 October 1902. p. 8.
  16. ^ Brassey 1903, p. 62.
  17. ^ Garbett, p. 709.
  18. ^ Brassey 1904, p. 90.
  19. ^ Brassey 1905, p. 46.
  20. ^ Brassey 1906, p. 43.
  21. ^ Brassey 1907, pp. 41–45.
  22. ^ Burgoyne, p. 58.
  23. ^ Clayton, p. 49.
  24. ^ Brassey 1911, p. 56.
  25. ^ Meirat, p. 22.
  26. ^ Jordan & Caresse, p. 225.
  27. ^ a b Jordan & Caresse, p. 242.
  28. ^ a b Smigielski, p. 194.
  29. ^ Wise & Baron, p. 90.
  30. ^ Halpern, p. 399.
  31. ^ Ross, pp. 520–522.

References[]

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  • Brassey, Thomas A. (1904). "Chapter IV: Comparative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 86–107. OCLC 496786828.
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  • Brassey, Thomas A. (1906). "Chapter III: Comparative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 38–52. OCLC 496786828.
  • Brassey, Thomas A. (1907). "Chapter III: Comparative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 39–49. OCLC 496786828.
  • Brassey, Thomas A. (1911). "Chapter III: Comparative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 55–62. OCLC 496786828.
  • Brassey, Thomas A. & Leyland, John (1902). "Chapter II: The Progress of Foreign Navies". The Naval Annual. Portsmouth: J. Griffin & Co.: 15–46. OCLC 496786828.
  • Burgoyne, Alan H. (ed.). "The Dual Alliance: The French Navy". The Navy League Annual, 1908–1909. London: The Navy League: 51–59. OCLC 861240927.
  • Campbell, N. J. M. (1979). "France". In Gardiner, Robert (ed.). Conway's All the World's Fighting Ships 1860–1905. London: Conway Maritime Press. pp. 283–333. ISBN 978-0-85177-133-5.
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  • Garbett, H., ed. (June 1904). "Naval Notes: France". Journal of the Royal United Service Institution. London: J. J. Keliher & Co. XLVIII (316): 707–711. OCLC 1077860366.
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  • Smigielski, Adam (1985). "France". In Gardiner, Robert & Gray, Randal (eds.). Conway's All the World's Fighting Ships: 1906–1921. Annapolis: Naval Institute Press. pp. 190–220. ISBN 978-0-87021-907-8.
  • Wise, James E. & Baron, Scott (2004). Soldiers Lost at Sea: A Chronicle of Troopship Disasters. Annapolis: Naval Institute Press. ISBN 9781591149668.
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