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From Wikipedia, the free encyclopedia
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.
Sape underway | |
Class overview | |
---|---|
Name | Branlebas class |
Operators | French Navy |
Preceded by | Claymore class |
Succeeded by | Spahi class |
Built | 1905–09 |
In service | 1908–32 |
Completed | 10 |
Lost | 2 |
Scrapped | 8 |
General characteristics | |
Type | Destroyer |
Displacement | 350 t (344 long tons) |
Length | 58 m (190 ft 3 in) (p/p) |
Beam | 6.28 m (20 ft 7 in) |
Draught | 2.96 m (9 ft 9 in) |
Installed power |
|
Propulsion | 2 shafts; 2 triple-expansion steam engines |
Speed | 27.5 knots (50.9 km/h; 31.6 mph) |
Range | 2,100 nmi (3,900 km; 2,400 mi) at 10 knots (19 km/h; 12 mph) |
Complement | 60 |
Armament |
|
Armour | Waterline belt: 20 mm (0.8 in) |
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]
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 |
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