Английская Википедия:French submarine Fresnel (1908)

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French submarine Fresnel (Q65) one of 18 Шаблон:Sclasss built for the French Navy (Шаблон:Lang) in the first decade of the 20th century.

Design and description

The Pluviôse class were built as part of the French Navy's 1905 building program to a double-hull design by Maxime Laubeuf.[1] The submarines displaced Шаблон:Convert surfaced and Шаблон:Convert submerged. They had an overall length of Шаблон:Convert, a beam of Шаблон:Convert, and a draft of Шаблон:Convert. Their crew numbered 2 officers and 23 enlisted men.[2]

For surface running, the boats were powered by two Шаблон:Convert triple-expansion steam engines, each driving one propeller shaft using steam provided by two Du Temple boilers. When submerged each propeller was driven by a Шаблон:Convert electric motor.[3] On the surface they were designed to reach a maximum speed of Шаблон:Convert and Шаблон:Convert underwater.[1] The submarines had a surface endurance of Шаблон:Convert at Шаблон:Convert and a submerged endurance of Шаблон:Cvt at Шаблон:Convert.[4]

The first six boats completed were armed with a single Шаблон:Convert internal bow torpedo tube, but this was deleted from the rest of the submarines after an accident with Fresnel in 1909. All of the boats were fitted with six 450 mm external torpedo launchers; the pair firing forward were fixed outwards at an angle of seven degrees and the rear pair had an angle of five degrees. Following a ministerial order on 22 February 1910, the aft tubes were reversed so they too fired forward, but at an angle of eight degrees. The other launchers were a rotating pair of Drzewiecki drop collars in a single mount positioned on top of the hull at the stern. They could traverse 150 degrees to each side of the boat. The Pluviôse-class submarines carried eight torpedoes.[5]

Construction and career

Fresnel, named for the 18th-century physicist Augustin Fresnel, was ordered on 26 August 1905 from the Arsenal de Rochefort.[6] The submarine was laid down in 1906,[7] launched on 16 June 1908 and commissioned on 22 February 1911.[8]

At the outbreak of the First World War Fresnel was part of the French Mediterranean Fleet, and sailed with that force to the Adriatic tasked with bringing the Austro-Hungarian Fleet to battle or blockading it in its home ports.

On 28 April 1915 Fresnel attacked the naval base at Cattaro, one of a series of raids by French submarines on Austro-Hungarian ports. After a succession of attempts at entering the harbour, Fresnel succeeded on 2 May in passing through the mouth of the bay. Once in, however she was unable to find a target.

Later that year on 5 December 1915, while on close blockade duty off Cattaro, Fresnel was detected and pursued by Austrian warships and aircraft. She was driven aground at the mouth of the Bojana river, scuttled and abandoned. Her destruction was completed by the destroyer Шаблон:SMS, and her crew taken prisoner.[9][10]

Notes

Шаблон:Reflist

Bibliography

External links

Шаблон:Pluviôse class submarines Шаблон:December 1915 shipwrecks

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  1. ↑ 1,0 1,1 Gardiner & Gray, p. 209
  2. ↑ Garier 1998, pp. 51, 54, 56, 65
  3. ↑ Garier 1998, pp. 56–59
  4. ↑ Garier 1998, p. 67
  5. ↑ Garier 1998, pp. 59–60
  6. ↑ Garier, p. 49
  7. ↑ Couhat, p. 140
  8. ↑ Garier 1998, p. 50
  9. ↑ Sieche
  10. ↑ Castel
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