Italian submarine Glauco (1935)

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History
Flag of Italy (1861-1946) crowned.svg Kingdom of Italy
NameGlauco
Builder Cantieri Riuniti dell'Adriatico, Trieste
Launched5 January 1935
Fate Scuttled, 27 June 1941
General characteristics
Type Submarine
Displacement
  • 1,071  t (1,054 long tons) (surfaced)
  • 1,326 t (1,305 long tons) (submerged)
Length73 m (239 ft 6 in)
Beam7.2 m (23 ft 7 in)
Draft5.12 m (16 ft 10 in)
Installed power
  • 3,000  bhp (2,200  kW) (diesels)
  • 1,200 hp (890 kW) (electric motors)
Propulsion
Speed
  • 17 knots (31 km/h; 20 mph) (surfaced)
  • 8 knots (15 km/h; 9.2 mph) (submerged)
Range
  • 9,760  nmi (18,080 km; 11,230 mi) at 8 knots (15 km/h; 9.2 mph) (surfaced)
  • 110 nmi (200 km; 130 mi) at 3 knots (5.6 km/h; 3.5 mph) (submerged)
Test depth90 m (300 ft)
Crew58
Armament

Glauco was the lead ship of her class of two submarines ordered by the Portuguese government, but taken over and completed for the Regia Marina (Royal Italian Navy) during the 1930s. She was scuttled by her own crew in mid-1941 after suffering heavy damage during a British naval attack.

Contents

Design and description

The Glauco-class submarines were improved versions of the preceding Squalo class. They displaced 1,071 metric tons (1,054 long tons ) surfaced and 1,326 metric tons (1,305 long tons) submerged. The submarines were 73 meters (239 ft 6 in) long, had a beam of 7.2 meters (23 ft 7 in) and a draft of 5.12 meters (16 ft 10 in). [1] They had an operational diving depth of 90 meters (300 ft). [2] Their crew numbered 58 officers and enlisted men. [1]

For surface running, the boats were powered by two 1,500- brake-horsepower (1,119  kW ) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 600-horsepower (447 kW) electric motor. They could reach 17 knots (31 km/h; 20 mph) on the surface and 8 knots (15 km/h; 9.2 mph) underwater. On the surface, the Glauco class had a range of 9,760 nautical miles (18,080 km; 11,230 mi) at 8 knots (15 km/h; 9.2 mph); submerged, they had a range of 110 nmi (200 km; 130 mi) at 3 knots (5.6 km/h; 3.5 mph). [2]

The boats were armed with eight internal 53.3-centimeter (21 in) torpedo tubes, four each in the bow and stern for which they carried a total of 14 torpedoes. They were also armed with two 100-millimeter (3.9 in) deck guns, one each fore and aft of the conning tower, for combat on the surface. The anti-aircraft armament consisted of one or two 13.2-millimeter (0.52 in) machine guns. [1]

Service

Glauco was built by CRDA in its Trieste shipyard. The submarine had initially been ordered in 1931, but was acquired by the Italians when Portugal cancelled the order. She was launched in 1935, [1] and saw action in the Spanish Civil War and the Second World War. [2] Glauco was badly damaged by the British destroyer HMS Wishart and scuttled by her own crew on 27 June 1941, west of Gibraltar. [1]

Notes

  1. 1 2 3 4 5 Chesneau, p. 305
  2. 1 2 3 Bagnasco, p. 150

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References

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