| EOC 4 inch 50 caliber | |
|---|---|
| Type | Naval gun |
| Place of origin | Great Britain |
| Service history | |
| Used by | Republic of China Greece |
| Wars |
Balkan Wars World War I Greco-Turkish War World War II |
| Production history | |
| Designer | Elswick Ordnance Company |
| Designed | 1911 |
| Manufacturer | Armstrong Whitworth |
| Produced | 1911 |
| Specifications | |
| Weight | 4,816 lb (2,185 kg) |
| Barrel length | 16.7 ft (5.1 m) 50 caliber |
|
|
|
| Shell | Fixed QF ammunition 57.7 lb (26.2 kg) |
| Shell weight | 31 lb (14 kg) |
| Calibre | 4 inches (100 mm) |
| Breech | Horizontal wedge breech |
| Rate of fire | 10-12 rpm |
| Muzzle velocity | 3,000 ft/s (910 m/s) |
The EOC 4 inch 50 caliber was a British naval gun designed by the Elswick Ordnance Company for export customers in the years before World War I that armed warships of the Republic of China and the Greek Navy. These ships served in both World War I and later World War II.
The EOC 4 inch 50 caliber began life as a design produced by the parent company of Elswick, Armstrong Whitworth for export customers called the Pattern P. These guns did not serve aboard ships of the Royal Navy.
The EOC 4 inch 50 caliber was constructed of an A tube and wire wound with a protective outer jacket. It also had a horizontal sliding wedge breech and fired fixed quick fire ammunition.
EOC 4 inch 50 caliber guns armed coastal defense ships, destroyers and protected cruisers.
Coastal defense ships:
Destroyers:
Protected cruisers: