The
QF 4-inch Mk XIX gun
[Mk XIX = Mark 19. Britain used ]Roman numerals
Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, eac ...
to denote Marks (models) of ordnance until after World War II. This was the nineteenth model of British QF 4-inch gun was a British low-velocity 4-inch 40-
calibre
In guns, particularly firearms, but not artillery, where a different definition may apply, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel bore – regardless of how or wher ...
naval gun used to arm small warships such as and and some in
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, mainly against submarines.
[DiGiulian]
Description
It succeeded the higher-velocity World War I-era
BL 4-inch Mk IX (typically deployed on
s in the escort role). The Mk XIX fired fixed ammunition which was long and weighed .
The weight of the projectile was increased from for the Mk IX to for the Mk XIX. The high-angle mounting used for the XIX added some anti-aircraft capability and allowed it to fire
starshells to illuminate the battle area at night.
Ammunition
QF 4 inch Mk XIX gun and crew LAC e003525404-v6.jpg,
British 4 inch 35 lb star shell 1943 diagram.jpg,
Surviving examples
* On at Williamstown, Victoria, Australia.
* On the parade ground at the Irish Naval Service Base,
Haulbowline
Haulbowline (; ) is an island in Cork Harbour off the coast of Ireland. The world's first yacht club was founded on Haulbowline in 1720. The western side of the island is the main naval base and headquarters for the Irish Naval Service, with t ...
, Co. Cork, Ireland
Notes
References
Bibliography
* John Campbell, "Naval Weapons Of World War Two", Annapolis : Naval Institute Press, 1985,
External links
* Tony DiGiulian
Britain 4"/40 (10.2 cm) QF Mark XIX
Naval guns of the United Kingdom
World War II naval weapons of the United Kingdom
100 mm artillery
Military equipment introduced in the 1930s
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