A Vickers design used as anti-torpedo boat guns on battleships built before World War I.
Used in a few coastal batteries during World War II.
|Designation||3"/50 (7.62 cm) Model 1909|
|Ship Class Used On||Conte di Cavour and Caio Duilio Classes|
|Date Of Design||1909|
|Date In Service||1914|
|Gun Weight||1.1 tons (1.2 mt)|
|Bore Length||150 in (3.810 m)|
|Rate Of Fire||10 rounds per minute|
|Weight of Complete Round||N/A|
|Projectile Types and Weights||AP: 13.2 lbs. (6 kg)|
|Muzzle Velocity||2,676 fps (815 mps)|
|Approximate Barrel Life||N/A|
|Ammunition stowage per gun||About 200 rounds|
|Designation||Single Mounts: Cavour (14) 1, Duilio (19) 2|
|Elevation||-10 / +20 degrees|
|Elevation Rate||Manual operation, only|
|Train Rate||Manual operation, only|
- ^The Cavour class used these guns in open mountings on top of the turrets, forecastle and upper works. The guns were transferrable and there were 30 positions provided, although they never carried this many guns. Shortly after World War I they were reduced to 13 guns to provide space for the addition of six 3"/40 (7.62 cm) AA guns.
- ^The Duilio class arrangements for these guns were generally similar to the Cavour class with 39 positions provided. In 1925 they were reduced to 13 of these guns in order to provide for the addition of six 3"/40 (7.62 cm) AA guns.
- "Naval Weapons of World War Two" by John Campbell
- "The Cavour and Duilio Class Battleships" article by Giorgio Giorgerini in "Warship Volume IV"
- 01 August 2004
- 26 May 2012
- Added ammunition stowage and information about mountings