Military Wiki
Ordnance BL 9.2 inch gun Mk VIII
BL 9.2 inch Mk VIII gun diagram Brasseys 1899.jpg
Type Naval gun
Place of origin United Kingdom
Service history
In service 1897 - 1918
Used by Royal Navy
Production history
Number built 6
Weight 25 tons barrel & breech[1]
Barrel length 368.7 inches (9,360 mm) (40.08 calibres)[1]

Shell 380 pounds (170 kg)[1]
Calibre 9.2-inch (233.7 mm)
Muzzle velocity 2,347 feet per second (715 m/s)[2]
Maximum range 12,400 yards (11,300 m)[1]

The BL 9.2 inch naval gun Mk VIII[3] was designed for the new cordite propellants and was the first British wire-wound gun of this calibre.

Naval service

It was mounted on the Powerful-class cruisers from 1897. After they were decommissioned some of the guns were used in coast defence in the UK, and from 1916 one was mounted on the monitor HMS Marshal Ney.

See also


  1. 1.0 1.1 1.2 1.3 Text Book of Gunnery 1902, Table XII Page 336
  2. 380 lb shell, with 63 lb cordite propellant size 40. Text Book of Gunnery 1902, Table XII page 336; Treatise on Ammunition 1915.
  3. Mk VIII = Mark 8. Britain used Roman numerals to denote Marks (models) of ordnance until after World War II. Mark VIII indicates this was the eighth model of BL 9.2-inch naval gun.


External links

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