Canon de 164 mm Modèle 1893
| Canon de 164 mm Modèle 1893 | |
|---|---|
The single gun Canon de 164 mm Modèle 1893 turret is below and to the left of the main armament on the Suffren | |
| Type | Naval gun Coastal gun Railroad gun |
| Place of origin | France |
| Service history | |
| In service | 1893—1945 |
| Used by | France Nazi Germany |
| Wars | First World War |
| Specifications | |
| Mass | 7.04 t (6.93 long tons; 7.76 short tons) |
| Barrel length | about 7.412 m (24.32 ft) |
| Shell | Separate-loading, bagged charge |
| Shell weight | 50.5–52 kg (111–115 lb) |
| Caliber | 164.7 mm (6.48 in) |
| Breech | Welin breech block |
| Recoil | Hydro-pneumatic |
| Elevation | about -10° to +25° |
| Traverse | depended on mount |
| Rate of fire | 2-3 rpm |
| Muzzle velocity | 770–775 m/s (2,530–2,540 ft/s) |
| Effective firing range | 9,000 m (9,800 yd) at 25° |
| Maximum firing range | 18,000 m (20,000 yd) at 36° |
The Canon de 164 mm Modèle 1893 was a medium-caliber naval gun used as the secondary armament of a number of French pre-dreadnoughts and armoured cruisers during World War I. It was used as railway artillery in both World Wars and as coastal artillery in World War II.