BL_4-inch_Mk_VIII_naval_gun

BL 4-inch Mk VIII naval gun

BL 4-inch Mk VIII naval gun

Naval gun

The BL 4-inch Mark VIII naval gun[note 1] was a British medium-velocity wire-wound naval gun introduced in 1908 as an anti-torpedo boat gun in smaller ships whose decks could not support the strain of the heavier and more powerful Mk VII gun.[2]

Quick Facts Ordnance BL-4-inch Mk VIII naval gun, Type ...

Mk VIII history

Breech of gun on HMAS Huon in March 1919

The gun succeeded the QF 4-inch Mk III, whose 25-pound (11 kg) shell had been considered insufficiently powerful for its intended role. The BL Mk VIII fired a 31-pound (14 kg) shell. It armed the following warships :

The gun was succeeded in its class from 1911 by the QF 4-inch Mk IV.

In World War II many guns were used to arm merchant ships.

Mk XI submarine gun

A Mark XI-variant was adapted to arm the K-class submarines laid down 1915.

See also

Notes

  1. [N 1]
    Mark VIII = Mark 8. Mark XI = Mark 11. Britain used Roman numerals to denote marks (models) of ordnance until after World War II. This was the eighth model of British BL 4-inch gun.

References

  1. [1]
    DiGiulian
  2. [2]
    HANDBOOK for the 4" Mark VII. and VIII. B.L. Guns 1913
  3. [3]
    2287 ft/second firing a 31 lb 3 CRH projectile, using 5 lb 4 oz cordite MD size 16 propellant. HANDBOOK for the 4" Mark VII. and VIII. B.L. Guns 1913.

Sources

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