An anti-torpedo boat gun used on pre-dreadnoughts. Loading was semi-automatic with the spent cartridge being ejected when the breech was opened. Breech closed automatically when a new round was loaded.

Gun Characteristics

Designation 75 mm/62.5 (2.95") Model 1908
Ship Class Used On Danton
Date Of Design 1908
Date In Service 1911
Gun Weight 3,200 lbs. (1,450 kg)
Gun Length oa 191.2 in (4.857 m)
Bore Length 184.5 in (4.688 m)
Rifling Length N/A
Grooves 30 grooves at 6 degrees
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 15 rounds per minute with ready ammunition
7 rounds per minute with ammunition from the magazines


Type Fixed
Weight of Complete Round N/A
Projectile Types and Weights
  • Original
    • HE: 14.1 lbs. (6.4 kg)
  • World War II
    • HE: 13.6 lbs. (6.2 kg)
Bursting Charge 2.0 lbs. (0.90 kg) melinite
Projectile Length 9.6 in (24.2 cm)
Propellant Charge 5.4 lbs. (2.44 kg) BM7
Muzzle Velocity World War I: 2,789 fps (850 mps)
World War II: 2,822 fps (860 mps)
Working Pressure 17.8 tons/in2 (2,800 kg/cm2)
Approximate Barrel Life N/A
Ammunition stowage per gun N/A

For Danton, rounds were stored in cases with three rounds per case. Each gun on the 1st deck had 27 ready rounds stowed close to the mountings. Each gun on the main deck had 36 ready rounds. Additional rounds were stored in the magazines. The hoists leading to the guns were slow, and the rate of fire was greatly reduced once the ready rounds were used up.


Range with 14.1 lbs. (6.4 kg) HE
Elevation Distance
25 degrees 8,750 yards (8,000 m)

Mount/Turret Data

Designation Single Casemate Mounts: Danton (16)
Weight N/A
Elevation -10 / +25 degrees
Elevation Rate N/A
Train about +140 / -140 degrees
Train Rate N/A
Gun recoil N/A


"Naval Weapons of World War Two" by John Campbell
"French Battleships of World War One" by John Jordan and Philippe Caresse

Page History

30 September 2005 - Benchmark
03 March 2012 - Updated to latest template
04 August 2018 - Converted to HTML 5 format, added details on guns, ammunition and mountings