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Ammiraglio di Saint Bon-class battleship

Italian battleship Ammiraglio di Saint Bon.jpg
Ammiraglio di Saint Bon
Class overview
Name: Ammiraglio di Saint Bon class
Operators:  Regia Marina
Preceded by: Re Umberto class
Succeeded by: Regina Margherita class
Built: 1893–1902
In commission: 1901–1920
Completed: 2
Retired: 2
General characteristics
Type: Pre-dreadnought battleship
Displacement:
  • 10,082 long tons (10,244 t) normal
  • 10,531 long tons (10,700 t) full load
Length: 366 ft 9.5 in (112 m)
Beam: 69 ft 3.5 in (21 m)
Draft: 25 ft 2.5 in (8 m)
Installed power: 14,296 ihp (10,661 kW)
Propulsion: 2 shafts, triple expansion steam engines, 12 cylindrical boilers
Speed: 18.3 knots (33.9 km/h; 21.1 mph)
Range: 5,500 nmi (10,200 km; 6,300 mi) at 10 knots (19 km/h; 12 mph)
Complement: 557
Armament:
  • 4 × 10 in (254 mm)/40 guns
  • 8 × 6 in (152 mm)/40 guns
  • 8 × 4.7 in (119 mm)/40 guns
  • 8 × 57 mm (2.2 in)/43 six-pounder guns
  • 2 × 1 - 37 mm (1.5 in)/20 guns
  • 4 × 1 - 17.7 in (450 mm) torpedo tubes
Armor:

The Ammiraglio di Saint Bon class was a pair of pre-dreadnought battleships built for the Italian Navy (Italian: Regia Marina) during the 1890s. The class comprised two ships: Ammiraglio di Saint Bon, the lead ship, and Emanuele Filiberto. They were armed with a main battery of four 10-inch (254-millimetre) guns and were capable of a top speed of 18 knots (33 km/h; 21 mph). Smaller and less powerfully-armed than most contemporary battleships, they marked a brief departure from Italian battleship design, which had previous emphasized large ships equipped with large guns.

Both ships served in the active duty squadron early in their careers, and participated in the Italo-Turkish War of 1911–12. They took part in the Italian offensives in North Africa and the island of Rhodes, but did not see combat with the Ottoman fleet. They were reduced to harbor defense ships by the outbreak of World War I, and they spent the war in Venice. The ships were discarded shortly after the end of the war, both having been stricken in 1920.

The previous Italian capital ships, the Re Umberto and the Ruggiero di Lauria classes of ironclad battleships, marked a period of experimentation on the part of Benedetto Brin, Admiral Simone di Pacoret Saint Bon, and the strategists of the Italian navy. Since the planners had not determined what type of battleship would best suit their strategic needs, the government stepped in and mandated a 10,000-long-ton (10,000 t) design smaller than the earlier classes. Following the death of di Saint Bon, Brin took over the design process and proposed a small battleship armed with 10 in (254 mm) guns, a weaker main battery than those of contemporary foreign designs.


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