BL 9.2 inch naval gun Mk VIII

Ordnance BL 9.2 inch gun Mk VIII

Type	Naval gun
Place of origin	United Kingdom
Service history
In service	1897 - 1918
Used by	Royal Navy
Production history
Number built	6
Specifications
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 firing 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.

Notes

1 2 3 4 Text Book of Gunnery 1902, Table XII Page 336
↑ 380 lb shell, with 63 lb cordite propellant size 40. Text Book of Gunnery 1902, Table XII page 336; Treatise on Ammunition 1915.
↑ 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

Text Book of Gunnery, 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

Wikimedia Commons has media related to BL 9.2 inch Mk VIII naval gun.

British Empire naval weapons of the Victorian era

Smoothbore muzzle-loading cannons	18-pounder 24-pounder 32-pounder 58 cwt 68-pounder Somerset cannon

Smoothbore muzzle-loading shell guns	8 inch 10-inch 86 cwt

Mortars	10-inch Blomefield 13-inch Blomefield

Howitzers	12-pounder Millar 24-pounder Millar

Rifled breechloaders (Armstrong)	RBL 9 pounder RBL 20 pounder RBL 40 pounder RBL 7 inch 110 pounder

Rifled muzzle-loaders (Lancaster)	68-Pounder Lancaster gun

Rifled muzzle-loaders (converted)	RML 64 pounder 71 cwt

Rifled muzzle-loaders (Woolwich)	RML 9 pounder 8 cwt RML 64 pounder 64 cwt RML 7 inch RML 8 inch RML 9 inch RML 10 inch RML 11 inch RML 12 inch 25 ton RML 12 inch 35 ton RML 12.5 inch RML 16 inch

Quick-firing guns	QF 3-pounder Hotchkiss QF 6-pounder Hotchkiss QF 6 pounder Nordenfelt QF 12-pounder 12 cwt Mk I QF 4 inch QF 4.7 inch QF 6 inch

Breech-loaders (new pattern)	BL 4 inch BL 5 inch BL 6 inch 80 pounder BL 6 inch Mk II – VI BL 8 inch BL 9.2 inch Mk I – VII BL 9.2 inch Mk VIII BL 10 inch BL 12 inch Mk I – VII BL 12 inch Mk VIII BL 13.5 inch BL 16.25 inch

Light weapons	Gatling gun Gardner gun Nordenfelt gun 1-inch Nordenfelt gun

Torpedoes	Whitehead torpedo

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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BL 9.2 inch naval gun Mk VIII

Naval service

See also

Notes

References

External links