BL 9.2-inch Mk VIII naval gun

Summary

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

Ordnance BL 9.2-inch Mk VIII gun
TypeNaval gun
Place of originUnited Kingdom
Service history
In service1897–1918
Used byRoyal Navy
Production history
No. built6
Specifications
Mass25 tons barrel & breech[1]
Barrel length368.7 inches (9,360 mm) (40.08 calibres)[1]

Shell380 pounds (170 kg)[1]
Calibre9.2-inch (233.7 mm)
Muzzle velocity2,347 feet per second (715 m/s)[2]
Maximum firing range12,400 yards (11,300 m)[1]

Naval service edit

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

See also edit

Notes edit

  1. ^ a b c d 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.

References edit

  • Text Book of Gunnery Archived 12 July 2012 at archive.today, 1902. London: Printed for His Majesty's Stationery Office, by Harrison and Sons, St. Martin's Lane
  • Tony DiGiulian, British 9.2"/40 (23.4 cm) Mark VIII

External links edit