Based upon a British design, these guns had a vertical sliding breech block mechanism. Used on torpedo boats and medium sized submarines. Many were later used as improvised AAA weapons in Sicily and Southern Italy in 1942-1943.

This gun or a variation was also used on the Argentine Salta class submarines.

Gun Characteristics

Designation 102 mm/35 (4") Schneider-Armstrong Model 1914-1915
Ship Class Used On Torpedo Boats: Pilo, Audace and Diana classes
Submarines: Mameli, Pisani, Bandiera, Squalo, Bragadin, Argonauta and Settembrini classes

Plus various light units and auxiliaries
Date Of Design About 1914
Date In Service 1917
Gun Weight 1.2 tons (1.22 mt)
Gun Length oa N/A
Bore Length about 140 in (3.556 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 7 rounds per minute


Type Fixed
Weight of Complete Round AP: N/A
Projectile Types and Weights AP: 33.7 lbs. (15 kg)
HE: 30.3 lbs. (13.74 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge N/A
Muzzle Velocity 2,461 fps (750 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A


Range with 30.3 lbs. (13.74 kg) HE Shell
Elevation Distance
45 degrees 12,800 yards (11,700 m)

Mount/Turret Data

Designation Single Mountings
Weight about 4.92 tons (5.0 mt)
Elevation -5 / +45 degrees
Elevation Rate Manually operated, only
Train 360 degrees
Train Rate Manually operated, only
Gun recoil N/A


Data from:

  • "Naval Weapons of World War Two" by John Campbell
  • "Italian Warships of World War II" by Aldo Fraccaroli

Special help from Georg v. Rauch

Page History

31 January 2008
23 September 2012
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