Mirabello-class destroyer

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Class overview
BuildersAnsaldo, Genoa
Operators Regia Marina
Preceded byAquila class
Succeeded byLa Masa class
Built1914–1917
In commission1917–1945
Planned3
Completed3
Lost2
Scrapped1
General characteristics (Carlo Mirabello as built)
TypeDestroyer
Displacement
Length103.75 m (340 ft 5 in)
Beam9.74 m (31 ft 11 in)
Draught3.3 m (10 ft 10 in)
Installed power
Propulsion2 shafts; 2 geared steam turbines
Speed35 knots (65 km/h; 40 mph)
Range2,300 nmi (4,300 km; 2,600 mi) at 12 knots (22 km/h; 14 mph)
Complement8 officers and 161 enlisted men
Armament

The Mirabello class were a group of three destroyers(originally scout cruisers) built for the Regia Marina (Royal Italian Navy) during World War I. Carlo Alberto Racchia was sunk by a mine in the Black Sea during the Allied intervention in the Russian Civil War in 1920. The remaining two ships, obsolescent by 1938, were re-rated as destroyers and participated in World War II. Carlo Mirabello was also lost to a mine while escorting a convoy in 1941. The last surviving ship, Augusto Riboty, was reconfigured as a convoy escort in 1942–1943. The torpedo tubes were removed and depth charges and 20 mm (0.79 in) anti-aircraft guns added. She survived the war and was transferred to the Soviet Union as war reparations in 1946. The ship was scrapped five years later.

Design and description[edit]

The ships were designed as scout cruisers (esploratori), essentially enlarged versions of contemporary destroyers.[1] They had an overall length of 103.75 meters (340 ft 5 in), a beam of 9.74 meters (31 ft 11 in) and a mean draft of 3.3 meters (10 ft 10 in).[2] They displaced 1,784 tonnes (1,756 long tons) at standard load, and 2,040 tonnes (2,010 long tons) at deep load. Their complement was 8 officers and 161 enlisted men.[3]

The Mirabellos were powered by two Parsons geared steam turbines, each driving one propeller shaft using steam supplied by four Yarrow boilers. The turbines were rated at 44,000 shaft horsepower (33,000 kW) for a speed of 35 knots (65 km/h; 40 mph).[2] The ships carried enough fuel oil to give them a range of 2,300 nautical miles (4,300 km; 2,600 mi) at a speed of 12 knots (22 km/h; 14 mph).[3]

Their main battery consisted of eight 35-caliber Cannone da 102 mm (4 in)/35 S Modello 1914 guns in single mounts protected by gun shields, one each fore and aft of the superstructure on the centerline and the remaining guns positioned on the broadside amidships.[4] Carlo Mirabello was the only ship completed to this configuration as her sister ships exchanged a 40-caliber Cannone da 152 mm (6 in)/40 A Modello 1891 for the forward 102 mm gun; Carlo Mirabello received hers in 1917. The gun proved to be too heavy for the ships and its rate of fire was too slow. Anti-aircraft (AA) defense for the Mirabello-class ships was provided by a pair of 40-caliber Cannone da 76 mm (3 in)/40 Modello 1916 AA guns in single mounts.[2] They were equipped with four 450-millimeter (17.7 in) torpedo tubes in two twin mounts, one on each broadside.[4] Augusto Riboty could carry 120 mines, although her sisters could only handle 100.[2]

Modifications[edit]

In 1919 the ships were rearmed with eight 45-caliber Cannone da 102/45 S, A Modello 1917 guns arranged as per Carol Mirabello's original configuration. The 76 mm guns were replaced by a pair of 39-caliber Cannone da 40 mm (1.6 in)/39 AA guns in single mounts in 1920–1922.[2]

Ships[edit]

Construction data
Ship Laid down[2] Launched[2] Completed[2] Fate[1]
Carlo Mirabello 21 November 1914 21 December 1915 24 August 1916 Sunk by mines, 21 May 1941
Carlo Alberto Racchia 10 December 1914 2 June 1916 21 December 1916 Sunk by mines, 21 June 1920
Augusto Riboty 27 February 1915 24 September 1916 5 May 1917 Allocated to USSR as war reparation; scrapped, 1951

References[edit]

  1. ^ a b Whitley, p. 158
  2. ^ a b c d e f g h Gray, p. 265
  3. ^ a b Fraccaroli 1970, p. 51
  4. ^ a b McMurtrie, p. 283

Bibliography[edit]

  • 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.
  • Campbell, John (1985). Naval Weapons of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-459-4.
  • Fraccaroli, Aldo (1970). Italian Warships of World War 1. London: Ian Allan. ISBN 0-7110-0105-7.
  • Fraccaroli, Aldo (1968). Italian Warships of World War II. Shepperton, UK: Ian Allan. ISBN 0-7110-0002-6.
  • Friedman, Norman (2011). Naval Weapons of World War One: Guns, Torpedoes, Mines and ASW Weapons of All Nations; An Illustrated Directory. Barnsley: Seaforth Publishing. ISBN 978-1-84832-100-7.
  • Gray, Randal (1985). Conway's All The World's Fighting Ships 1906–1921. London: Conway Maritime Press. ISBN 0-85177-245-5.
  • McMurtrie, Francis E., ed. (1937). Jane's Fighting Ships 1937. London: Sampson Low. OCLC 927896922.
  • Roberts, John (1980). "Italy". In Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. New York: Mayflower Books. pp. 280–317. ISBN 0-8317-0303-2.
  • 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.
  • Whitley, M. J. (1988). Destroyers of World War 2: An International Encyclopedia. Annapolis, Maryland: Naval Institute Press. ISBN 1-85409-521-8.

Further reading[edit]

  • Cernuschi, Enrico (2022). "Esploratori of the Regia Marina, 1906—1939". In Jordan, John (ed.). Warship 2022. Oxford: Osprey Publishing. pp. 147–160. ISBN 978-1-4728-4781-2.

External links[edit]

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