French cruiser Amiral Aube
From Wikipedia, the free encyclopedia
Amiral Aube in the roadstead of Brest, 10 July 1905 | |
| History | |
|---|---|
| Name | Amiral Aube |
| Namesake | Théophile Aube |
| Builder | Chantiers de Penhoët, Saint-Nazaire |
| Cost | FF24,336,000 |
| Laid down | February 1901 |
| Launched | 9 May 1902 |
| Completed | 1 April 1904 |
| Decommissioned | March 1920 |
| Stricken | 7 July 1922 |
| Fate | Sold for scrap, 1924 |
| General characteristics | |
| Class & type | Gloire-class armored cruiser |
| Displacement | 9,996 t (9,838 long tons) |
| Length | 139.78 m (458 ft 7 in) (o/a) |
| Beam | 20.2 m (66 ft 3 in) |
| Draft | 7.55 m (24.8 ft) |
| Installed power |
|
| Propulsion | 3 shafts, 3 triple-expansion steam engines |
| Speed | 21 knots (39 km/h; 24 mph) |
| Range | 6,500 nautical miles (12,000 km; 7,500 mi) at 10 knots (19 km/h; 12 mph) |
| Complement | 615 |
| Armament |
|
| Armor |
|
The French cruiser Amiral Aube was one of five Gloire-class armored cruisers built for the French Navy (Marine Nationale) in the early 1900s. Fitted with a mixed armament of 194-millimeter (7.6 in) and 164.7-millimeter (6.5 in) guns, the ships were designed for service with the battle fleet. Completed in 1904, Amiral Aube joined her sister ships in the Northern Squadron (Escadre du Nord). Unlike her sisters, the cruiser remained in the Northern Squadron until she was placed in reserve in mid-1911. The ship was reactivated at the beginning of 1914 and was assigned to the 2nd Light Squadron (2e Escadre légère), as the units based in northwestern France had been renamed, together with two of her sisters.
When World War I began in August 1914, she was assigned to patrol the English Channel to enforce the blockade of Germany. Amiral Aube was transferred to the Eastern Mediterranean in late 1915 where she patrolled off the coast of Ottoman-controlled territory. To help protect Allied shipping from German commerce raiders, the ship was transferred to the French West Indies in mid-1916. In early 1918, Amiral Aube was briefly assigned to escort convoys from the West Indies to Europe. The ship was sent to Murmansk in March to support Allied forces when they intervened in the Russian Civil War. Returning home in October, she joined her sisters in the Atlantic Division (Division de l'Atlantique) in early 1919. Amiral Aube was placed in reserve in 1920 and sold for scrap four years later.
Armament and armor

The Gloire-class ships were designed as enlarged and improved versions of the preceding Gueydon class by Emile Bertin. The ships measured 139.78 meters (458 ft 7 in) overall, with a beam of 20.2 meters (66 ft 3 in) and a draft of 7.55 meters (24 ft 9 in). They displaced 9,996 metric tons (9,838 long tons). Their crew numbered 25 officers and 590 enlisted men.[1]
The sisters' propulsion machinery consisted of three vertical triple-expansion steam engines, each driving a single propeller shaft, using steam provided by water-tube boilers, but the types of machinery differed between them. Amiral Aube had four-cylinder engines fed by 28 Belleville boilers that were designed to produce a total of 20,500 metric horsepower (15,100 kW) intended to give them a maximum speed of 21 knots (39 km/h; 24 mph). During her sea trials on 12 December 1903, the ship reached 21.88 knots (40.52 km/h; 25.18 mph) from 22,180 metric horsepower (16,310 kW). The cruisers carried enough coal to give them a range of 6,500 nautical miles (12,000 km; 7,500 mi) at a speed of 10 knots (19 km/h; 12 mph).[2]

The main battery of the Gloire class consisted of two quick-firing (QF) 194 mm Modèle 1893–1896 guns mounted in single-gun turrets fore and aft of the superstructure. Their secondary armament comprised eight QF 164.7 mm Modèle 1893–1896 guns and six QF Canon de 100 mm (3.9 in) Modèle de 1893 guns. Half of the 164.7 mm guns were in two single-gun wing turrets on each broadside and all of the remaining guns were on single mounts in casemates in the hull.[3] For defense against torpedo boats, they carried eighteen 47-millimeter (1.9 in) and four 37-millimeter (1.5 in) Hotchkiss guns, all of which were in single mounts. The sisters were also armed with five 450-millimeter (17.7 in) torpedo tubes, of which two were submerged and three above water. Two of these were on each broadside and the fifth tube was in the stern. All of the above-water tubes were on pivot mounts. The ships varied in the number of naval mines that they could carry and Amiral Aube was fitted with storage for 10.[4]
The Gloire class were the first French armored cruisers to have their waterline armored belt made from Harvey face-hardened armor plates. The belt ranged in thickness from 70 to 150 millimeters (2.8 to 5.9 in). Because of manufacturing limitations, the thinner end plates were nickel steel. Behind the belt was a cofferdam, backed by a longitudinal watertight bulkhead. The upper armored deck met the top of the belt and had a total thickness of 34 millimeters (1.3 in) while the lower armored deck curved down to meet the bottom of the belt and had a uniform thickness of 45 millimeters (1.8 in).[5]
The main-gun turrets were protected by 161 millimeters (6.3 in) of Harvey armor, but their barbettes used 174-millimeter (6.9 in) plates of ordinary steel. The face and sides of the secondary turrets were 92 millimeters (3.6 in) thick and the plates protecting their barbettes were 102 millimeters (4 in) thick. The casemates protecting the 100-millimeter guns also had a thickness of 102 millimeters. The face and sides of the conning tower were 174 millimeters thick.[6]
