Canon de 138 mm Modèle 1929
| Canon de 138 mm Modèle 1929 | |
|---|---|
Mle 1929 guns seen on Le Triomphant, 1940 | |
| Type | Naval gun |
| Place of origin | France |
| Service history | |
| In service | 1934—54 |
| Used by | France |
| Wars | World War II |
| Specifications | |
| Mass | 4,275 kilograms (9,425 lb) Mle 1929 4,650 kilograms (10,250 lb) Mle 1934 |
| Length | 7.28 metres (23.9 ft) |
| Barrel length | about 6.927 metres (22.73 ft) |
| Shell | 130x900 mm R, separate-loading, cased charge |
| Shell weight | 40.6 kilograms (90 lb) |
| Caliber | 138.6 millimetres (5.46 in) |
| Breech | semi-automatic, horizontal sliding-block |
| Elevation | -10° to +30° |
| Traverse | approximately 300° |
| Rate of fire | depended on mount |
| Muzzle velocity | 800 metres per second (2,600 ft/s) |
| Maximum firing range | 20,000 metres (22,000 yd) |
The Canon de 138 mm Modèle 1929 was a medium-calibre naval gun of the French Navy used during World War II. It was used on the large destroyers (contre-torpilleurs) of the Le Fantasque and Mogador classes.