French cruiser Ernest Renan
Ernest Renan at anchor
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| Class overview | |
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| Operators: |
 French Navy
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| Preceded by: | Jules Michelet |
| Succeeded by: | Edgar Quinet class |
| History | |
| Name: | Ernest Renan |
| Namesake: | Ernest Renan |
| Builder: | Chantiers de Penhoët, Saint-Nazaire |
| Laid down: | 1 October 1903 |
| Launched: | 9 March 1906 |
| Completed: | 1909 |
| Out of service: | 1931 |
| Struck: | 1931 |
| Fate: | Sunk as a target ship, 1931 |
| General characteristics | |
| Type: | Armored cruiser |
| Displacement: | 13,644 tonnes (13,429 long tons) |
| Length: | 159 m (521 ft 8 in) (o/a) |
| Beam: | 21.5 m (70 ft 6 in) |
| Draft: | 8.4 m (27 ft 7 in) |
| Installed power: |
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| Propulsion: | 3 shafts, 3 vertical triple-expansion steam engines |
| Speed: | 23 knots (43 km/h; 26 mph) |
| Range: | 5,100 nmi (9,400 km; 5,900 mi) at 10 knots (19 km/h; 12 mph) |
| Complement: | 750 or 824 |
| Armament: |
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| Armor: |
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Ernest Renan was an armored cruiser built for the French Navy in the first decade of the 20th century. At the outbreak of World War I in August 1914, she participated in the hunt for the German battlecruiser SMS Goeben and then joined the blockade of the Austro-Hungarian Navy in the Adriatic. She took part in the Battle of Antivari later in August, and the seizure of Corfu in January 1916, but saw no further action during the war. After the war, the British and French intervened in the Russian Civil War; this included a major naval deployment to the Black Sea, which included Ernest Renan. She served as a training ship in the late 1920s before she was sunk as a target ship in the 1930s.
Ernest Renan was intended to be a member of the Leon Gambetta class, but naval architect Emile Bertin repeatedly tinkered with the design and decided to lengthen the ship in an attempt to increase her speed. She measured 159 meters (521 ft 8 in) overall, with a beam of 21.4 meters (70 ft 3 in). Ernest Renan had a draft of 8.2 meters (26 ft 11 in) and displaced 13,644 metric tons (13,429 long tons). Her crew numbered either 750 or 824 officers and enlisted men.
The ship had three propeller shafts, each powered by a single vertical triple-expansion steam engine. They were rated at a total of 37,000 indicated horsepower (28,000 kW) using steam provided by 42 Niclausse boilers. The boilers were grouped into two sets of boiler rooms that were separated by the amidships gun turrets and their magazines and exhausted into six funnels. Ernest Renan had a designed speed of 23 knots (43 km/h; 26 mph), but reached 24.4 knots (45.2 km/h; 28.1 mph) from 37,685 ihp (28,102 kW) during her sea trials. She initially carried up to 2,260 tonnes (2,220 long tons) of coal, although this was later reduced to 1,870 tonnes (1,840 long tons), which gave her a range of 5,100 nautical miles (9,400 km; 5,900 mi) at a speed of 10 knots (19 km/h; 12 mph).
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