French submarine Turquoise (1929)

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DiamantPostcard.jpg
sister ship Diamant, date unknown
History
Civil and Naval Ensign of France.svgFrance
NameTurquoise
Namesake Turquoise
OperatorFrench Navy
Builder Arsenal de Toulon
Laid down20 October 1926
Launched16 May 1929
Commissioned10 September 1930
FateSeized by Axis forces 8 December 1942
Flag of Italy (1861-1946) crowned.svgItaly
NameFR 116
Acquired8 December 1942
FateCaptured and scuttled by German forces on 8 May 1943
General characteristics
Class and type Saphir-class 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 depth80 m (260 ft)
Complement42 men
Armament

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. [1] [2]

Contents

Design

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), Saphir-class submarines could dive up to 80 m (260 ft). The submarine had a surfaced displacement of 761 long tons (773  t ) and a submerged displacement of 925 long tons (940  t ). Propulsion while surfaced was provided by two 1,300 hp (969 kW) Normand-Vickers diesel motors and while submerged two 1,100 hp (820 kW) electric motors. The submarines electrical propulsion allowed it to attain speeds of 9 knots (17 km/h; 10 mph) while submerged. Their surfaced range was 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), with a submerged range of 80 nautical miles (150 km) at 4 knots (7.4 km/h). [1]

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

The Saphir-class submarines were constructed to be able to launch torpedoes and lay mines without surfacing. The moored contact mines they used contained 220 kg of TNT and operated at up to 200 meters (660 ft) of depth. They were attached to the submarine's exterior under a hydrodynamic protection and were jettisoned with compressed air. The Saphir-class submarines also featured an automatic depth regulator that automatically flooded ballast tanks after mines were dropped to prevent the risk of the submarine surfacing in the middle of enemy waters. [3] [4]

See also

Citations

  1. 1 2 "FR Turquoise of the French Navy – French submarine of the Requin class – Allied Warships of WWII". uboat.net. Retrieved 22 October 2018.
  2. "Q 146". sous-marin.france.pagesperso-orange.fr. Archived from the original on 4 November 2013. Retrieved 12 January 2022.
  3. "Saphir class Submarines – Allied Warships of WWII". uboat.net. Retrieved 24 August 2018.
  4. "Sous Mama – Diamand – Nautilus – Perle – Rubis – Saphir – Turquoise – Les Sous-Marins de la série des "Pierres Précieuses"". www.sous-mama.org.

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References