BL 13.5-inch Mk I – IV naval gun
Naval gun / From Wikipedia, the free encyclopedia
The BL 13.5 inch naval gun Mk I ("67-ton gun") was Britain's first successful large breechloading naval gun, initially designed in the early 1880s and eventually deployed in the late 1880s. Mks I - IV[note 1] were all of 30 calibres length and of similar construction and performance.
Quick Facts Ordnance BL 13.5 inch gun Mk I - IV, Type ...
Ordnance BL 13.5 inch gun Mk I - IV | |
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Type | Naval gun |
Place of origin | United Kingdom |
Service history | |
Used by | United Kingdom Kingdom of Italy |
Production history | |
Designer | Woolwich |
Designed | 1880 |
Variants | Mk I, II, III, IV |
Specifications | |
Mass | 67-69 tons barrel & breech[1] |
Barrel length | 405 inches (10.29 m) bore (30 calibres) [1] |
Shell | 1,250 pounds (570 kg)[1] |
Calibre | 13.5-inch (342.9 mm) |
Muzzle velocity | 2,016 feet per second (614 m/s)[2] |
Effective firing range | 12,000 yards (11,000 m)[1] |
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