Saphir-class submarine (1928)

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Saphir-class submarine (1928)
DiamantPostcard.jpg
Diamant, date unknown
Class overview
NameSaphir class
Builders Arsenal de Toulon
Operators
Built1926–1935
In service1930–1949
Completed6
Lost1
Retired5
General characteristics
Type Submarine
Displacement
  • 761 long tons (773  t) (surfaced)
  • 925 long tons (940 t) (submerged)
Length66 m (216 ft 6 in)
Beam7.1 m (23 ft 4 in)
Draught4.3 m (14 ft 1 in)
Propulsion
  • 2 × diesel engines, 1,300 hp (969 kW)
  • 2 × electric motors, 1,100 hp (820 kW)
Speed
  • 12 knots (22 km/h) (surfaced)
  • 9 knots (17 km/h) (submerged)
Range
  • 7,000 nautical miles (13,000 km) at 7.5 knots (13.9 km/h)
  • 4,000 nautical miles (7,400 km) at 12 knots (22 km/h)
  • 80 nautical miles (150 km) at 4 knots (7.4 km/h) (submerged)
Test depth250 ft (76 m)
Complement42 men
Armament

The Saphir-class submarines were a class of six submarines built in France between 1926 and 1935 for the French Navy. Most saw action during World War II for the Vichy French Navy or the Free French Naval Forces. Three were captured by Italian forces but not used.

Contents

Design

A scale model of Saphir displayed at the Musee national de la Marine Scale model of Saphir-MnM 31 MG 7-IMG 6245.jpg
A scale model of Saphir displayed at the Musée national de la Marine

Saphir-class submarines had a surfaced displacement of 761 long tons (773  t ) and a submerged displacement of 925 long tons (940 t). Their dimensions were 66 m (216 ft 6 in) long, with a beam of 7.1 m (23 ft 4 in) and a draught of 4.3 m (14 ft 1 in). Propulsion while surfaced was provided by two Normand-Vickers diesel motors with a total of 1,300 bhp (969 kW) and while submerged by two electric motors providing a total of 1,000 hp (746 kW) through two shafts enabling a maximum speed of 12 knots (22 km/h; 14 mph) while surfaced and 9 knots (17 km/h; 10 mph) while submerged. Their bunkers of 95 long tons (97 t) of oil fuel gave them a surfaced range of 7,000 nautical miles (13,000 km) at 7.5 knots (13.9 km/h), and 4,000 nautical miles (7,400 km) at 12 knots (22 km/h) and their batteries a submerged range of 80 nautical miles (150 km) at 4 knots (7.4 km/h). They carried a complement of 42 men. [1] [2] Saphir-class submarines could dive up to 250 ft (76 m). [3]

Drawing of a Saphir-class submarine. The black circles in bottom view are the vertical mine launchers Minzag Riubi.jpg
Drawing of a Saphir-class submarine. The black circles in bottom view are the vertical mine launchers

The Saphir-class submarines were designed to launch torpedoes and lay mines without surfacing. The moored contact mines they could lay contained 220 kilograms (485 lb) of TNT and could be laid in up to 200 metres (656 ft) of water. They were attached to the submarine's exterior under a hydrodynamic protection[ clarification needed ] and were jettisoned with compressed air.

Ships

Saphir-class submarines
NameLaid downlaunchedcommissionedfate
Saphir 25 May 192620 December 192830 September 1930Captured by Italian forces on 8 December 1942, renamed FR 112. Seized by German forces on 15 September 1943 in Naples and scuttled. [4]
Turquoise 20 October 192616 May 192910 September 1930Captured by Italian forces on 8 December 1942, renamed FR 116. Sunk on 6 May 1943 off Tunisia. Subsequently, salved and sold for scrap on 12 August 1947.
Nautilus 8 August 192721 March 193015 July 1931Laid down on the centenary of the birth of Jules Verne. [5] Captured by Italian forces on 8 December 1942, then sunk by an air attack on 31 January 1943 at Bizerte. Subsequently, salved and sold for scrap on 12 August 1947.
Rubis 3 April 192930 September 19314 April 1933Used successfully by the Free French Forces from 1940, stricken from the naval register 4 October 1949 and scuttled in the Mediterranean Sea in 1958.
Diamant 21 July 193018 May 193320 June 1934Scuttled on 27 November 1942, at Toulon, refloated in March 1943 by Italy but sunk again in 1944.
Perle 21 July 193130 July 19351 March 1937Used by the Allies after Operation Torch, sunk on 8 July 1944 by a British plane after being mistaken for a German U-boat at 55°27' North, 33°50' West.

[6]

Service

During the war, five Saphir-class ships operated in the Mediterranean Sea and only Rubis operated with the Home Fleet. Later, she joined the ranks of the Free French Naval Forces. [7] During its service on the side of the Allies, Rubis was a very effective ship. [7] From April 1940 to the end of 1944, it carried out 22 mine laying operations in the waters off Norway. [7] 15 ships sank on its mines, including minesweepers, 4 small warships, and submarines. In addition, it sank one ship with torpedoes. [7] Only one ship in the Mediterranean Sea changed sides to join the Allies, Perle, which on 8 July 1944 was mistakenly sunk in the Atlantic by an Allied plane. [8]

Of the remaining submarines, Diamant was scuttled at Toulon on 27 November 1942; [9] Nautilus, Saphir and Turquoise were demobilized in Bizerte between 1941 and 1942. After the occupation of Tunis by Axis troops, they were taken over by Italians in December 1942. Saphir was renamed "FR 112", and Turquoise, "FR 116". These ships were unusable and disarmed remained in Bizerte until the end of activities in Africa. Shortly before surrendering, the Italians sank them. Only Rubis survived the war and was withdrawn from service on 4 October 1949. [7]

See also

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French submarine <i>Dauphin</i> (1925)

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French submarine <i>Espadon</i> (1926)

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French submarine <i>Marsouin</i> (1924)

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French submarine <i>Morse</i> (1925) French submarine

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French submarine <i>Narval</i> (1925) French Requin-class submarine

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French submarine <i>Phoque</i> (1926) French Requin-class submarine

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French submarine <i>Requin</i> (1924) French Requin-class submarine

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French submarine <i>Souffleur</i> (1924) French Navy submarine

The French submarine Souffleur was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in October 1922, it was launched two years later and commissioned in August 1926. Souffleur was torpedoed and sunk on 25 June 1941 off Beyrut, Lebanon in position 33°49′N35°26′E by the British submarine HMS Parthian.

French submarine <i>Diamant</i> (1933) Saphir-class submarine of the French Navy

The French submarine Diamant was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in July 1930, it was launched in May 1933 and commissioned in June 1934. Diamant was scuttled at Toulon on 27 November 1942 to prevent her capture by German forces, then refloated by Italian forces on 29 March 1943. On 22 June 1944, Diamant was bombed and sunk at Toulon by Allied aircraft.

French submarine <i>Nautilus</i> (1930) French Saphir-class submarine

The French submarine Nautilus was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in August 1927, it was launched in March 1930 and commissioned in July 1931. Nautilus was disarmed at Bizerte, Tunisia and captured there on 8 December 1942 by Italian forces. On 31 January 1943, it was sunk at Bizerte during an Allied air raid. Nautilus was raised but not repaired and finally stricken on 12 August 1947.

French submarine <i>Perle</i> (1935) Saphir-class submarine built for the French Navy

Perle was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in 1931, she was launched in July 1935 and commissioned in March 1937. In November 1942, after Operation Torch, Perle joined the Allied fleet. While returning from refitting in the United States, Perle was mistaken for a U-boat by an aircraft from the British ship Empire MacCallum and sunk.

French submarine <i>Saphir</i> (1928)

The French submarine Saphir was the lead ship of the Saphir-class submarines built for the French Navy in the mid-1930s. Laid down in May 1926, it was launched in December 1928 and commissioned in September 1930. Saphir was disarmed at Bizerte, Tunisia and renamed FR 112 after being captured there by Italian forces on 8 December 1942. Saphir was seized and scuttled by German forces at Naples, Italy on 15 September 1943.

French submarine <i>Turquoise</i> (1929)

The French submarine Turquoise was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in October 1926, it was launched in May 1929 and commissioned in September 1930. Turquoise was disarmed at Bizerte, Tunisia and renamed FR 116 after being captured there by Italian forces on 8 December 1942. Turquoise was recaptured and scuttled by German forces at Naples, Italy on 8 May 1943.

French submarine <i>Pascal</i> (Q138)

Pascal was a French Navy Redoutable-class submarine of the M6 series commissioned in 1931. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until she was scuttled at Toulon in November 1942. She was never again seaworthy, but the Italians seized her and refloated her, and the Germans later took control of her. She was sunk in March 1944.

References

  1. Gardiner, Robert; Chesneau, Roger (1980). Conway's All the World's Fighting Ships 1906–1921. London: Conway. p. 274. ISBN   0851771467.
  2. Fontenoy, Paul E. (2007). Submarines: An Illustrated History of Their Impact. ABC-CLIO. p. 188. ISBN   9781851095636.
  3. Tucker, Spencer (30 November 2011). World War II at Sea: An Encyclopedia, Volume 1. ABC-CLIO. p. 717. ISBN   9781598844573.
  4. "Q 145". 4 November 2013. Archived from the original on 4 November 2013.
  5. "Q 152". 4 November 2013. Archived from the original on 4 November 2013.
  6. "Submarines". www.battleships-cruisers.co.uk.
  7. 1 2 3 4 5 "Le sous-marin Rubis, Les unités militaires - Musée de l'Ordre de la Libération". www.ordredelaliberation.fr.
  8. "FR Perle of the French Navy – French submarine of the Requin class – Allied Warships of WWII". uboat.net. Retrieved 22 October 2018.
  9. "FR Diamant of the French Navy – French submarine of the Requin class – Allied Warships of WWII". uboat.net. Retrieved 22 October 2018.

Bibliography