Description

Secondary guns on pre-dreadnoughts and armored cruisers of the 1890s and early 1900s. Used as railway guns during World War I and as coastal artillery during World War II.

Built-up construction with an interrupted screw breech.

Gun Characteristics

Designation 164.7 mm/45 (6.5") Models 1887, 1893 and 1896
Ship Class Used On Pre-dreadnoughts: République, Sufferen and Iéna
Armored Cruisers: Dupuy de Lôme, Léon Gambetta
Date Of Design 1887 / 1893 / 1896
Date In Service about 1886 / 1900
Gun Weight 15,520 lbs. (7,040 kg)
Gun Length oa 302 in (7.672 m)
Bore Length 292 in (7.412 m)
Rifling Length 248 in (6.300 m)
Grooves 50
Lands N/A
Twist N/A (angle of rifling was 7 degrees left)
Chamber Volume N/A
Rate Of Fire about 3 rounds per minute

Ammunition

Type Bag
Projectile Types and Weights
  • 1890s
    • AP: 99 lbs. (45 kg)
  • 1940s
    • AP: 114.6 lbs. (52 kg)
    • HE: 111.3 lbs. (50.5 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge N/A 1
Muzzle Velocity
  • Model 1893
    • AP: 2,526 fps (770 mps)
    • HE: 2,526 fps (770 mps)
  • Model 1896
    • AP: 2,526 fps (770 mps)
    • HE: 2,723 fps (830 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A
  • ^Propellant was in two bags.

Range

Maximum range
Model 114.6 lbs. (52 kg) AP Shell 111.3 lbs. (50.5 kg) HE Shell
Model 1893 16,840 yards (15,400 m) 19,690 yards (18,000 m)
Model 1896 16,840 yards (15,400 m) 20,780 yards (19,000 m)

Mount/Turret Data

Designation Single Mounts: République (18), Sufferen (10), Iéna (8), Dupuy de Lôme (6), Léon Gambetta (4)
Twin Turrets: République (6), Léon Gambetta (6)
Weight N/A
Elevation about -10 / +25 degrees
Elevation Rate Manually operated, only
Train about +150 / -150 degrees
Train Rate Manually operated, only
Gun recoil N/A
Loading Angle Any

Sources

Data from:

  • "French Warships of World War I" by Jean Labayle Couhat - Ian Allan Series
  • "Les Materiels de l'armée de Terre Française 1940, pt2" by Stephane Ferrard
  • "Eisenbahngeschütze der Welt" by Franz Kosar
  • "Armored Cruiser Dupuy de Lôme" by D.B. Yakimovich and A.S. Alexandrov (Marine Campaign 2007, No 5)

Special help from Alex Baumans and Michal Derela

Page History

16 May 2006
Benchmark
28 March 2012
Updated to latest template
28 August 2013
Added use on Armored Cruisers