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Branlebas-class destroyer

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Sape underway
Class overview
NameBranlebas class
Operators French Navy
Preceded byClaymore class
Succeeded bySpahi class
Built1905–09
In service1908–32
Completed10
Lost2
Scrapped8
General characteristics
TypeDestroyer
Displacement350 t (344 long tons)
Length58 m (190 ft 3 in) (p/p)
Beam6.28 m (20 ft 7 in)
Draught2.96 m (9 ft 9 in)
Installed power
Propulsion2 shafts; 2 triple-expansion steam engines
Speed27.5 knots (50.9 km/h; 31.6 mph)
Range2,100 nmi (3,900 km; 2,400 mi) at 10 knots (19 km/h; 12 mph)
Complement60
Armament
ArmourWaterline belt: 20 mm (0.8 in)

The Branlebas class[a] was a class of ten destroyers built for the French Navy in the first decade of the 20th century. Eight of the ships survived the First World War and were scrapped afterwards.

Construction and design

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The Branlebas-class was a development of the previous Claymore-class destroyer, and was the final evolution of the 300-tonne type which the French had built since 1899 with their first destroyer class, the Durandal class. Like all the 300-tonne destroyers, the Branlebas-class ships had a turtledeck forecastle with a flying deck, raised above the hull, aft.[2]

They were 58 metres (190 ft 3 in) long between perpendiculars, with a beam of 6.28 metres (20 ft 7 in) and a maximum draught of 2.96 metres (9 ft 9 in).[3] Displacement was 350 tonnes (344 long tons).[4] Two coal-fired Normand or Du Temple boilers fed steam at 1,830 kilopascals (265 psi) to two 3-cylinder triple-expansion steam engines, rated at 6,800 indicated horsepower (5,100 kW), and driving two propeller shafts, giving a design speed of 27.5 knots (50.9 km/h; 31.6 mph).[3][4] Speeds reached during sea trials ranged from 27.09 knots (50.17 km/h; 31.17 mph) for Glaive to 29.82 knots (55.23 km/h; 34.32 mph) for Sape. The ships had a range of 2,100 nautical miles (3,900 km; 2,400 mi) at 10 knots (19 km/h; 12 mph).[5]

A 20-millimetre (0.8 in) belt of armour was fitted to protect the ship's boilers and machinery.[6] The class was built with the standard gun armament for the 300-tonne destroyers, with a single 65 mm (2.6 in) forward, backed up by six 47 mm (1.9 in) guns, while two 450 mm (17.7 in) torpedo tubes were carried, with one amidships and one right aft.[2][3] The ships had a complement of 4 officers and 56 men.[4]

The Branlebas class were considered good sea-boats, with reliable machinery.[7][8] By the time the class was built, however, they were outclassed by contemporary British and German destroyers, such as the River-class and the German S138-class torpedo boat being larger (and more heavily armed.[1][7] (French destroyer size had been kept small owing to the influence of the Jeune École, which favoured the construction of large numbers of small ships.)[7]

Losses

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  • Branlebas was sunk by a German mine on 30 September 1915 near Nieuwpoort, Belgium.
  • Étendard was sunk by German torpedoboat A39 on 25 April 1917 in the North Sea.

Ships

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A postcard of Oriflamme
Ship Builder[5] Laid down[5] Launched[5] Fate[9]
Branlebas[b] Normand November 1905 8 October 1907 Sunk by mine 30 September 1915
Étendard Dyle et Bacalan, Bordeaux December 1905 20 March 1908 Sank 25 April 1917
Fanfare Normand November 1905 12 December 1907 Stricken 29 September 1925
Fanion Dyle et Bacalan, Bordeaux December 1905 4 May 1908 Stricken 27 May 1925
Gabion Chantiers de Penhoët, Rouen November 1905 21 December 1907 Stricken 14 May 1921
Glaive Rochefort Dockyard May 1905 10 September 1908 Stricken 13 February 1932
Oriflamme De La Brosse et Fouché, Nantes June 1906 4 April 1908 Stricken 27 May 1921
Poignard Rochefort Dockyard May 1905 3 July 1909 Stricken 3 May 1926
Sabretache[c] De La Brosse et Fouché, Nantes June 1906 5 February 1908 Stricken 10 May 1920
Sape Chantiers de Penhoët, Rouen November 1905 23 September 1908 Stricken 3 May 1926

Notes

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  1. ^ Also known as the Sabretache-class[1]
  2. ^ Roche gives the name as Branle-bas
  3. ^ Couhat gives the name as Sabretagne.[6]

Citations

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  1. ^ a b The Engineer 21 August 1908, p. 191.
  2. ^ a b Campbell 1979, pp. 326–327.
  3. ^ a b c The Engineer 21 August 1908, p. 192.
  4. ^ a b c Couhat 1974, p. 92.
  5. ^ a b c d Couhat 1974, pp. 92, 94.
  6. ^ a b Couhat 1974, p. 94.
  7. ^ a b c Campbell 1979, p. 323.
  8. ^ Couhat 1974, pp. 80–81, 92.
  9. ^ Roberts 2021, pp. 382–383.

Bibliography

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Wikimedia Commons has media related to Branlebas-class destroyer.
  • Campbell, N. J. M. (1979). "France". In Chesneau, Roger & Kolesnik, Eugene M. (eds.). Conway's All the World's Fighting Ships 1860–1905. Greenwich: Conway Maritime Press. pp. 283–333. ISBN 0-8317-0302-4.
  • Couhat, Jean Labayle (1974). French Warships of World War I. London: Ian Allan. ISBN 0-7110-0445-5.
  • "Recent French Torpedo boat Destroyers" (PDF). The Engineer. 21 August 1908. pp. 191–192.
  • Prévoteaux, Gérard (2017). La marine française dans la Grande guerre: les combattants oubliés: Tome I 1914–1915 [The French Navy during the Great War: The Forgotten Combatants, Book I 1914–1915]. Collection Navires & Histoire des Marines du Mond. Vol. 23. Le Vigen, France: Éditions Lela presse. ISBN 978-2-37468-000-2.
  • Prévoteaux, Gérard (2017). La marine française dans la Grande guerre: les combattants oubliés: Tome II 1916–1918 [The French Navy during the Great War: The Forgotten Combatants, Book II 1916–1918]. Collection Navires & Histoire des Marines du Mond. Vol. 27. Le Vigen, France: Éditions Lela presse. ISBN 978-2-37468-001-9.
  • Roberts, Stephen S. (2021). French Warships in the Age of Steam 1859–1914: Design, Construction, Careers and Fates. Barnsley, UK: Seaforth Publishing. ISBN 978-1-5267-4533-0.
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