Design and description
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) and Carlo Mirabello reached a speed of 33.74 knots (62.49 km/h; 38.83 mph) from 44,026 shp (32,830 kW) during her sea trials. [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 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 exchanged a 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] The ship could also carry 100 mines. [2]
Modifications
The 152 mm gun proved to be too heavy for the ships and its rate of fire was too slow so it was replaced when the Mirabello-class ships were rearmed with eight 45-caliber Cannone da 102/45 S, A Modello 1917 guns arranged as per Carlo Mirabello's original configuration in 1919. 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]
The Maestrale class were a group of destroyers built for the Regia Marina and served in World War II. They formed the basis for subsequent Italian destroyer designs; the Oriani and Soldati classes.
The Folgore class were a group of four destroyers built for the Regia Marina in the 1930s. None of the ships survived World War II.
The Mirabello class were a group of three destroyers built for the Regia Marina 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.
The Comandanti Medaglie d'Oro class were a group of 20 destroyers ordered for the Regia Marina during World War II. Nine had been laid down by the time of the Italian armistice in September 1943 and all but one of those ships which had not yet been laid down were cancelled. Of those that had been laid down, none had been launched by that time and all were subsequently scrapped.
The Pisa class consisted of three armored cruisers built in Italy in the first decade of the 20th century. Two of these were for the Royal Italian Navy and the third was sold to the Royal Hellenic Navy and named Georgios Averof. This ship served as the Greek flagship for the bulk of her active career and participated in the Balkan Wars of 1912–1913, fighting in two battles against the Ottoman Navy. She played a minor role in World War II after escaping from Greece during the German invasion in early 1941. Influenced by communist agitators, her crew mutinied in 1944, but it was suppressed without any bloodshed. Georgios Averof returned to Greece after the German evacuation in late 1944 and became a museum ship in 1952. She is the only surviving armored cruiser in the world.
Faà di Bruno was an Italian monitor built during World War I. Completed in 1917, the ship played a small role in the 11th Battle of the Isonzo later that year. She was decommissioned in 1924, but returned to service as the floating battery GM 194 at the beginning of World War II and was towed to Genoa and where she spent the rest of the war. The ship had her guns disabled when the Royal Navy bombarded Genoa in 1941. GM 194 was captured by the Germans after the Italian Armistice in 1943 and was turned over to the puppet Repubblica Sociale Italiana that they installed afterward. She was scuttled at the end of the war and subsequently scrapped.
The San Giorgio class consisted of two armored cruisers built for the Royal Italian Navy in the first decade of the 20th century. The second ship, San Marco, was used to evaluate recently invented steam turbines in a large ship and incorporated a number of other technological advances. The ships participated in the Italo-Turkish War of 1911–1912, although San Giorgio was under repair for most of the war. San Marco supported ground forces in Libya with naval gunfire and helped them to occupy towns in Libya and islands in the Dodecanese. During World War I, the ships' activities were limited by the threat of Austro-Hungarian submarines, although they did bombard Durazzo, Albania in 1918.
The Italian destroyer Audace was originally ordered by Japan from Yarrow Shipbuilders in Scotland under the name of Kawakaze, but was transferred to Italy in 1916 while still under construction. She served as the command ship for the radio-controlled target ship San Marco in 1937–1940 and then was rearmed for convoy escort and patrolling duties when World War II began. Audace was captured by the Germans in 1943 and used by them as a minelayer and escort ship in the Adriatic Sea until she was sunk by a pair of British destroyers in late 1944.
Alpino was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in early 1939, she was one of the last of the first batch of a dozen ships to enter service.
Artigliere was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in 1938, she was one of the last of the first batch of a dozen ships to enter service.
Carabiniere was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in 1938, she survived World War II to be scrapped in 1978.
Corazziere was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in mid-1939, she was the last of the first batch of a dozen ships to enter service.
Geniere was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in 1938, she was one of the first of the first batch of a dozen ships to enter service.
Grantiere was one of nineteen Soldati-class destroyers built for the Regia Marina in the late 1930s and early 1940s. Completed in early 1939, she was one of the last of the first batch of a dozen ships to enter service.
Vittorio Alfieri was one of four Oriani-class destroyers built for the Regia Marina in the mid-1930s. Completed in 1937, she served in World War II. She was sunk at the battle of Matapan on 28 March 1941 with the loss of 211 of her 246 crew including her commanding officer, Captain Salvatore Toscano.
Grecale was one of four Maestrale-class destroyers built for the Regia Marina in the early 1930s. Completed in 1934, she served in World War II. She survived the war and continued her service with Marina Militare until 1964.
Luca Tarigo was one of a dozen Navigatori-class destroyers built for the Regia Marina in the late 1920s. Completed in 1929, she served in World War II.
Giovanni da Verazzano was one of a dozen Navigatori-class destroyers built for the Regia Marina in the late 1920s. Completed in 1930, she served in World War II.
Augusto Riboty was one of three Mirabello-class destroyers built for the Regia Marina during World War I.
Carlo Alberto Racchia was one of three Mirabello-class destroyers built for the Regia Marina during World War I.
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