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Bandiera-class submarine
Class overview
Operators:  Regia Marina
Preceded by: Pisani class
Succeeded by: Squalo class
In commission: 1930–1948
Completed: 4
Lost: 1
Scrapped: 3
General characteristics
Type: Submarine
Displacement:
  • 940 t (925 long tons) (surfaced)
  • 1,097 t (1,080 long tons) (submerged)
Length: 69.8 m (229 ft)
Beam: 7.3 m (23 ft 11 in)
Draft: 5.26 m (17 ft 3 in)
Installed power:
  • 3,000 bhp (2,200 kW) (diesels)
  • 1,300 hp (970 kW) (electric motors)
Propulsion:
  • 2 shafts; diesel-electric
  • 2 × diesel engines
  • 2 × electric motors
  • Speed:
  • 15 knots (28 km/h; 17 mph) (surfaced)
  • 8.2 knots (15.2 km/h; 9.4 mph) (submerged)
  • Range:
  • 4,750 nmi (8,800 km; 5,470 mi) at 8 knots (15 km/h; 9.2 mph) (surfaced)
  • 60 nmi (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
  • Test depth: 90 m (300 ft)
    Crew: 53
    Armament:

    The Bandiera-class submarines were built for the Regia Marina (Royal Italian Navy) during the late 1920s. They played a minor role in the Spanish Civil War of 1936–1939 supporting the Spanish Nationalists.

    Design and description[]

    The Bandiera class was an improved and enlarged version of the preceding Pisani-class submarines. They displaced 940 metric tons (925 long tons) surfaced and 1,097 metric tons (1,080 long tons) submerged. The submarines were 69.8 meters (229 ft) long, had a beam of 7.3 meters (23 ft 11 in) and a draft of 5.26 meters (17 ft 3 in).[1] They had an operational diving depth of 90 meters (300 ft).[2] Their crew numbered 53 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 650-horsepower (485 kW) electric motor. They could reach 15 knots (28 km/h; 17 mph) on the surface and 8.2 knots (15.2 km/h; 9.4 mph) underwater.[2] On the surface, the Bandiera class had a range of 4,750 nautical miles (8,800 km; 5,470 mi) at 8.5 knots (15.7 km/h; 9.8 mph); submerged, they had a range of 60 nmi (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph).[2]

    The boats were armed with eight 53.3-centimeter (21 in) torpedo tubes, four each in the bow and stern for which they carried a total of 12 torpedoes. They were also armed with a single 102-millimeter (4 in) deck gun forward of the conning tower for combat on the surface. Their anti-aircraft armament consisted of two 13.2-millimeter (0.52 in) machine guns.[1][2]

    Boats[]

    Ship Builder[1] Launched[1] Fate[1]
    Fratelli Bandiera Cantiere Navale Triestino, Trieste 7 August 1929 Discarded, 1 February 1948
    Luciano Manara 5 October 1929
    Ciro Menotti Odero-Terni-Orlando, Muggiano 29 December 1929
    Santorre Santarosa 22 October 1929 Scuttled, 20 January 1943

    Service history[]

    During the Spanish Civil War, Luigi Settembrini made one patrol in the Eastern Mediterranean in September 1937 during which she sank a Soviet cargo ship.[3]

    Notes[]

    1. 1.0 1.1 1.2 1.3 1.4 1.5 Chesneau, p. 307
    2. 2.0 2.1 2.2 2.3 Bagnasco, p. 143
    3. Frank, p. 97

    References[]

    • Bagnasco, Erminio (1977). Submarines of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-962-6. 
    • Brescia, Maurizio (2012). Mussolini's Navy: A Reference Guide to the Regina Marina 1930–45. Annapolis, Maryland: Naval Institute Press. ISBN 978-1-59114-544-8. 
    • Chesneau, Roger, ed (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7. 
    • Frank, Willard C., Jr. (1989). "Question 12/88". pp. 95–97. ISSN 0043-0374. 
    • Rohwer, Jürgen (2005). Chronology of the War at Sea 1939–1945: The Naval History of World War Two (Third Revised ed.). Annapolis, Maryland: Naval Institute Press. ISBN 1-59114-119-2. 

    External links[]



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