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QF 3-pounder Vickers

The Ordnance QF 3-pounder Vickers (47 mm / L50) was a British artillery piece first tested in Britain in 1903. It was used on Royal Navy warships. It was more powerful than and unrelated to the older QF 3-pounder Hotchkiss, with a propellant charge approximately twice as large, but it initially fired the same Lyddite and steel shells as the Hotchkiss.[1]

Ordnance QF 3-pounder Vickers
On a Royal Navy monitor circa. 1918
TypeNaval gun, Anti-aircraft gun
Place of originUnited Kingdom
Service history
In service1905–1940
WarsWorld War I, World War II
Production history
DesignerVickers
Designed1902–03
ManufacturerVickers
Produced1905–?
No. built600
VariantsMk I Mk II
Specifications
Mass1,323 lb (600 kg) in total
Barrel length8 ft 8 in (2.64 m) bore (50 calibres)

Shell47×360mmR 3.3 lb (1.50 kg) shell.
Calibre47 mm (1.85 in)
Breechsemi-automatic vertical block
Carriagethree-leg platform
Elevation−5° to +12°
Traverse360°
Rate of fire20 rounds per minute
Muzzle velocity2,575 ft/s (785 m/s) (HE)
Effective firing range2,000 yd (1,829 m)(AA)
Maximum firing range5,600 yd (5,100 m) at 12° elevation;
15,000 ft (4,600 m) (AA ceiling)
Sightstelescopic

Development Edit

Starting in 1904, the Royal Navy bought over 154 of these for use as anti-torpedo boat weapons on capital ships and to arm smaller ships. British production of these guns started in 1905 at Vickers and by the time production stopped in 1936 a total of 600 weapons had been made.

Royal Navy use Edit

 
RNAS gun on improvised anti-aircraft mounting, Tenedos, Dardanelles, 1915. Photo by Ernest Brooks.

By 1911 about 193 guns of this type were in service, and they became standard equipment in the Royal Navy until 1915. In that year, service during the First World War proved these weapons to be ineffective and they were quickly removed from most of the larger ships, some were mounted in armoured lorries as the main armaments of the Pierce-Arrow and Seabrook armoured lorries. During the interwar years they were widely used to arm light ships and river craft. A number of them were converted into anti-aircraft guns and by 1927 at least 62 guns had been converted.

See also Edit

References Edit

Notes
  1. ^ Treatise on ammunition 10th Edition 1915. War Office, UK. Page 404
Bibliography
  • British Vickers 3-pdr (1.4 kg) (1.85"/50 [47 mm]) QF Marks I and II
  • Ian Buxton Big Gun Monitors: The History of the Design, Construction and Operation of the Royal Navy's Monitors

External links Edit

  • Tony DiGiulian, British Vickers 3-pdr (1.4 kg) (1.85"/50 (47 mm)) QF Marks I and II

pounder, vickers, this, article, about, 1900s, 1940s, vickers, other, pounder, guns, pounder, ordnance, british, artillery, piece, first, tested, britain, 1903, used, royal, navy, warships, more, powerful, than, unrelated, older, pounder, hotchkiss, with, prop. This article is about the 1900s 1940s Vickers gun For other 3 pounder guns see 3 pounder gun The Ordnance QF 3 pounder Vickers 47 mm L50 was a British artillery piece first tested in Britain in 1903 It was used on Royal Navy warships It was more powerful than and unrelated to the older QF 3 pounder Hotchkiss with a propellant charge approximately twice as large but it initially fired the same Lyddite and steel shells as the Hotchkiss 1 Ordnance QF 3 pounder VickersOn a Royal Navy monitor circa 1918TypeNaval gun Anti aircraft gunPlace of originUnited KingdomService historyIn service1905 1940WarsWorld War I World War IIProduction historyDesignerVickersDesigned1902 03ManufacturerVickersProduced1905 No built600VariantsMk I Mk IISpecificationsMass1 323 lb 600 kg in totalBarrel length8 ft 8 in 2 64 m bore 50 calibres Shell47 360mmR 3 3 lb 1 50 kg shell Calibre47 mm 1 85 in Breechsemi automatic vertical blockCarriagethree leg platformElevation 5 to 12 Traverse360 Rate of fire20 rounds per minuteMuzzle velocity2 575 ft s 785 m s HE Effective firing range2 000 yd 1 829 m AA Maximum firing range5 600 yd 5 100 m at 12 elevation 15 000 ft 4 600 m AA ceiling Sightstelescopic Contents 1 Development 2 Royal Navy use 3 See also 4 References 5 External linksDevelopment EditStarting in 1904 the Royal Navy bought over 154 of these for use as anti torpedo boat weapons on capital ships and to arm smaller ships British production of these guns started in 1905 at Vickers and by the time production stopped in 1936 a total of 600 weapons had been made Royal Navy use Edit nbsp RNAS gun on improvised anti aircraft mounting Tenedos Dardanelles 1915 Photo by Ernest Brooks By 1911 about 193 guns of this type were in service and they became standard equipment in the Royal Navy until 1915 In that year service during the First World War proved these weapons to be ineffective and they were quickly removed from most of the larger ships some were mounted in armoured lorries as the main armaments of the Pierce Arrow and Seabrook armoured lorries During the interwar years they were widely used to arm light ships and river craft A number of them were converted into anti aircraft guns and by 1927 at least 62 guns had been converted See also EditQF 3 pounder Hotchkiss this gun s predecessor OQF 3 pounder gun tank gun based on the Ordnance QF 3 pounder Vickers List of naval gunsReferences EditNotes Treatise on ammunition 10th Edition 1915 War Office UK Page 404 BibliographyBritish Vickers 3 pdr 1 4 kg 1 85 50 47 mm QF Marks I and II Ian Buxton Big Gun Monitors The History of the Design Construction and Operation of the Royal Navy s MonitorsExternal links Edit nbsp Wikimedia Commons has media related to QF 3 pounder Vickers Tony DiGiulian British Vickers 3 pdr 1 4 kg 1 85 50 47 mm QF Marks I and II Retrieved from https en wikipedia org w index php title QF 3 pounder Vickers amp oldid 1132926448, wikipedia, wiki, book, books, library,

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