BL 13.5-inch Mk VI naval gun
BL 13.5 inch Mk VI gun | |
---|---|
Type | Naval gun |
Place of origin | United Kingdom |
Service history | |
In service | 1914–22 |
Used by | United Kingdom |
Wars | World War I |
Production history | |
Designer | Vickers |
Designed | 1909 |
Manufacturer | Vickers |
No. built | 10 |
Specifications | |
Weight | 46 long tons (46.7 t) |
Length | 625.9 in (15.90 m) |
Barrel length | Bore 607.5 inches (15.4 m) (45 calibre) |
| |
Shell | 1,400 lb (635 kg) |
Calibre | 13.5-inch (343 mm) |
Elevation | 0° – +20° |
Muzzle velocity | 2,445 ft/s (745 m/s) |
Maximum firing range | 23,110 yards (21,130 m) at +20° |
The BL 13.5-inch Mk VI gun was a British heavy naval gun, originally ordered by the Ottoman Navy to equip its Reşadiye-class dreadnoughts around 1911. The one ship completed was seized by the British Government when World War I began in August 1914 and became HMS Erin. Only 10 guns were built by Vickers to a design similar to that of their 45-calibre BL 13.5-inch Mk V naval gun. The smaller chamber in the Mk VI gun meant that less propellant could be used which reduced muzzle velocity by 55 ft/s (17 m/s) and range by 630 yards (580 m).
Weapons of comparable role, performance and era
- 340mm/45 Modèle 1912 gun French equivalent
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