Perle had a surfaced displacement of 761 long tons (773t) and a submerged displacement of 925 long tons (940t). She was 66m (216ft 6in) long, with a beam of 7.1m (23ft 4in) and a draught of 4.3m (14ft 1in). Propulsion while surfaced was provided by two Normand-Vickers diesel engines with a total of 1,300bhp (969kW) and while submerged by two electric motors providing a total of 1,000hp (746kW) through two shafts giving a maximum speed of 12 knots (22km/h; 14mph) while surfaced and 9 knots (17km/h; 10mph) while submerged. Her bunkers of 95 long tons (97t; 15,200st) of diesel fuel gave her a surfaced range of 7,000 nautical miles (13,000km; 8,100mi) at 7.5 knots (13.9km/h; 8.6mph) and 4,000 nautical miles (7,400km; 4,600mi) at 12 knots (22km/h; 14mph), and her batteries gave her a submerged range of 80 nautical miles (148km; 92mi) at 4 knots (7.4km/h; 4.6mph). She carried a complement of 42 men[1] and could dive to a depth of up to 80m (262ft).
The Saphir-class submarines were armed with torpedoes and could lay mines without surfacing. The moored contact mines they used contained 220kg (485lb) of TNT and could be laid in waters up to 200 metres (656ft) deep. They were attached to the submarine's exterior under a protective hydrodynamic housing.
↑ Polmar, Norman (2006). Aircraft Carriers. Vol. 1, 1909-1945: a history of carrier aviation and its influence on world events (2nded.). Potomac Books. p.276. ISBN9781574886634.
Fontenoy, Paul E. (2007). Submarines: An Illustrated History of Their Impact (Weapons and Warfare). Santa Barbara: ABC-CLIO Publishing. ISBN978-1-85109-563-6.
Moulin, Jean (October–November 2022). "Les sous-marins mouilleurs de mine type Saphir" [The Saphir-Class Minelaying-Submarines]. Navires & Histoire (in French) (133): 88–95. ISSN1280-4290.
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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.
The French submarine Caïman was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in August 1924, it was launched in March 1927 and commissioned in February 1928. On 9 June, Caïman narrowly missed the British light cruiser HMS Ajax off Syria. It was scuttled at Toulon on 27 November 1942 to prevent her capture by the Germans, then raised in February 1943. It was sunk again on 11 March 1944 by Allied aircraft.
The French submarine Marsouin was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in November 1922, it was launched in December 1924 and commissioned in September 1927. It escaped from Toulon on 27 November 1942 and joined the Free French Naval Forces; it was later disarmed at Oran in April 1944, and stricken on 28 February 1946.
The French submarine Morse was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in February 1923, it was launched in May 1925 and commissioned in February 1928. On 16 June 1940, Morse, under the command of Jean Georges Charles Paris, struck a mine and sank in the same minefield off the Kerkennah Islands that sank her sister ship Narval six months later.
The French submarine Narval was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in March 1923, it was launched in May 1925 and commissioned in July 1926. It joined the Free French naval forces at Malta at the time of the French surrender during World War II. On or around 15 December 1940, Narval sank after striking a mine in the same minefield off the Kerkennah Islands that sank her sister ship Morse six months prior.
Phoque was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in May 1924, it was launched in March 1926 and commissioned in May 1928. In April 1941, it was disarmed at Bizerte, Tunisia and captured there by the Italians on 8 December 1942 and renamed FR 111. It was sunk on 28 February 1943 10 miles off Murro di Porco, Sicily by Allied aircraft.
The French submarine Requin was the lead ship of the Requin-class submarines built for the French Navy in the mid-1920s. Laid down in June 1922, it was launched in July 1924 and commissioned in May 1926. It was captured by Italian forces at Bizerte, Tunisia on 8 December 1942 and renamed FR 113. On 9 September 1943, it was recaptured by German forces. It was sold for scrap in Genes, Italy in 1944.
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.
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.
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.
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.
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