QF 14 pounder naval gun Mk I & II naval gun

Ordnance QF 14 pounder Mk I & II
Type	Naval gun
Place of origin	United Kingdom
Service history
In service	1904-19??
Used by	Royal Navy
Wars	World War I
Production history
Designed	190?
Manufacturer	Elswick Ordnance Company (Mk I) Vickers, Sons and Maxim (Mk II)
Specifications
Weight	1,904–2,016 pounds (864–914 kg)
Barrel length	150 inches (3.8 m) (bore) (50 calibres)

Shell	QF 12.5 pounds (5.67 kg)
Calibre	3-inch (76.2 mm)
Muzzle velocity	2,548 feet per second (777 m/s)

The QF 14 pounder Mk I & II was a 3-inch high-velocity naval gun used to equip battleships for defence against torpedo boats. It was produced for export by Elswick Ordnance Company (Mk I) and Vickers, Sons and Maxim (Mk II). In Royal Navy service they were modified to use the standard 12-pounder shell.

Service

The gun equipped the Swiftsure-class pre-dreadnought battleship built in Britain for Chile and purchased by the UK in 1903 before completion.

British ammunition

In British service the guns fired the same 3-inch, 12.5 lb shell as QF 12-pounder guns.


Cordite Cartridges circa. 1905	Mk II Common pointed shell	Mk II & Mk III Common Lyddite shell	Mk IV Common Lyddite shell with internal night tracer, 1914

Notes

References

Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, South Yorkshire, UK: Seaforth. ISBN 978-1-84832-100-7.

External links

Wikimedia Commons has media related to QF 14 pounder naval gun.

British Empire naval weapons of the First World War

Monitor guns	BL 9.2 inch Mk VI BL 9.2 inch Mk VIII BL 9.2 inch Mk X BL 9.2 inch Mk XII BL 12 inch Mk VIII US 14 inch 45 cal BL 18 inch Mk I

Capital ship main armament	Vickers 10 inch 45 cal EOC 10 inch 45 cal BL 12 inch Mk VIII BL 12 inch Mk IX BL 12 inch Mk X BL 12 inch Mk XI & XII EOC 12 inch 45 cal Mk XIII BL 13.5 inch Mk V EOC 14 inch 45 cal Mk I BL 15 inch Mk I

Armoured cruiser main armament	BL 7.5 inch Mk I BL 9.2 inch Mk X BL 9.2 inch Mk XI

Secondary armament and light cruiser main armament	QF 12 pdr 18 cwt QF 14 pounder Maxim-Nordenfelt QF 14 pounder Mk I & II QF 4 inch Mk III BL 4 inch Mk VII QF 4 inch Mk V BL 4 inch Mk IX BL 5.5 inch Mk I QF 6 inch BL 6 inch Mk VII BL 6 inch Mk XI BL 6 inch Mk XII BL 6 inch Mk XIII-XVIII BL 7.5 inch Mk II - Mk V

Destroyer and small cruiser armament	QF 12 pdr 12 cwt Mk II QF 4 inch Mk III BL 4 inch Mk VIII QF 4 inch Mk IV BL 4.7 inch Mk I

Merchant ship armament	QF 4.7 inch Mk I - IV QF 4.7 inch Mk V*

Submarine guns	BL 4 inch Mk XI QF 4 inch Mk XII

Anti-aircraft guns	QF 2 pounder "pom-pom" Mk II QF 3 inch 20 cwt QF 4 inch Mk V

Light weapons	.303 Vickers machine gun QF 3 pounder Hotchkiss QF 3 pounder Vickers QF 6 pounder Hotchkiss

Torpedoes	18 inch Mk V - VIII 21 inch Mk II 21 inch Mk IV

Mines	Spherical Mk I, II and III Vickers Elia mine Type H mine

Anti-submarine weapons	Type A Depth charge Type B Depth charge Type C Depth charge Type D Depth charge Type E Depth charge Type F Depth charge Type G Depth charge Cruiser Mine 7.5 inch howitzer

Landing guns	QF 12 pounder 8 cwt

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