An OTO-Melara design, this automatic gun was used on Italian ships during the 1960s. The barrel used a water-spray system for cooling. The mounting is electrically powered and has a water-tight, splinter-proof shield.
This weapon has been replaced by the 76 mm/62 Compact and SR on modern ships.
Actual bore diameter was 76.2 mm (3.00").
|Designation||76 mm/62 (3") M.M.I.|
|Ship Class Used On||Andrea Doria and Vittorio Veneto Classes|
|Date Of Design||About 1960|
|Date In Service||1963|
|Gun Weight (tube and liner)||1,686 lbs. (765 kg)|
|Gun Length oa||N/A|
|Bore Length||186 in (4.724 m)|
|Rifling Length||158 in (4.012 m)|
|Rate Of Fire||60 rounds per minute|
|Weight of Complete Round||27.2 lbs. (12.34 kg)|
|Projectile Types and Weights||All: 13.88 lbs. (6.296 kg)|
Complete Round: 35.45 in (90.04 cm)
|Propellant Charge||7.85 lbs. (3.56 kg)|
|Cartridge||76.2 mm x 635.5 mm|
|Muzzle Velocity||2,789 fps (850 mps)|
|Approximate Barrel Life||N/A|
|Ammunition stowage per gun||N/A|
|45 degrees||20,122 yards (18,400 m)|
|Effective Range||8,700 yards (8,000 m)|
|AA @ 85 degrees||13,200 feet (4,000 m)|
|Designation||Single and Twin 1 mountings|
|Weight||Single Mounting: 12 tons (12.1 mt)|
|Elevation||-15 / +85 degrees|
|Elevation Rate||40 degrees per second|
|Train Rate||70 degrees per second|
Elevation and traverse are electrically and hydraulically controlled with an emergency manual operation system. A single crewman is in the gunhouse with three men required to reload the ammunition system.
- ^The Twin mount had the barrels stacked vertically.
- "Jane's Pocket Book 9: Naval Armament" edited by Denis Archer
- "The Naval Institute Guide to World Naval Weapon Systems 1991/92" by Norman Friedman