The Canon de 340 mm Modèle 1887 was a heavy naval gun used as the main armament of several ships of the Marine Nationale (French Navy) before World War I. It equipped the French battleship Brennus and the coast-defense ships Jemmapes and Valmy.
| Canon de 340 mm Modèle 1887 | |
|---|---|
| Type | Naval gun |
| Place of origin | France |
| Service history | |
| Used by | France |
| Wars | First World War |
| Specifications | |
| Mass | 61.66 t (60.69 long tons; 67.97 short tons) |
| Barrel length | 14.133 metres (46 ft 4 in) (42 caliber) |
| Shell | Separate-loading, bagged charge |
| Shell weight | 490 kg (1,080 lb) (APC shell) |
| Caliber | 340 mm (13.4 in) |
| Elevation | −4° to +10° |
| Rate of fire | 1 round per four minutes |
| Muzzle velocity | 740 m/s (2,400 ft/s) |
| Maximum firing range | 10,900 m (11,900 yd) |
Ammunition
edit- APC (Armor-piercing, Capped) - 490 kg (1,080 lb)
- SAPC (Semi-Armor-piercing, Capped) - 490 kg (1,080 lb)
- CI (Cast iron) - 420 kg (930 lb)
Notes
editReferences
edit- Caresse, Philippe (2019). The French Battleship Brennus. Warship 2019. Oxford, UK: Osprey Publishing. pp. 29–46. ISBN 978-1-84486-041-8.
- Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, UK: Seaforth Publishing. ISBN 978-1-84832-100-7.