QF 3-pounder Hotchkiss
Light 47 mm naval gun introduced in 1886 / From Wikipedia, the free encyclopedia
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This article is about the 1880s Hotchkiss gun. For other 3-pounder guns, see 3-pounder gun.
The QF 3-pounder Hotchkiss or in French use Canon Hotchkiss à tir rapide de 47 mm were a family of long-lived light 47 mm naval guns introduced in 1886 to defend against new, small and fast vessels such as torpedo boats and later submarines. There were many variants produced, often under license which ranged in length from 32 to 50 calibers but 40 caliber was the most common version. They were widely used by the navies of a number of nations and often used by both sides in a conflict. They were also used ashore as coastal defense guns and later as an anti-aircraft gun, whether on improvised or specialized HA/LA mounts.
Quick Facts Hotchkiss 47 mm L/40 M1885& QF 3-pounder, Type ...
Hotchkiss 47 mm L/40 M1885 & QF 3-pounder | |
---|---|
Type | Naval gun Anti-aircraft gun Coastal artillery |
Place of origin | France |
Service history | |
In service | 1886–1950s |
Used by | See users section |
Wars | See wars section |
Production history | |
Designer | Hotchkiss |
Designed | 1885 |
Manufacturer | Hotchkiss et Cie |
Produced | 1886 |
No. built | 2,950 (UK) |
Variants | 32 to 50 calibers in length[1] |
Specifications | |
Mass | 240 kg (530 lb) |
Length | 2 m (6 ft 7 in) |
Barrel length | 1.8 m (5 ft 11 in) 40 caliber |
Shell | Fixed QF 47 × 376 mm R Complete: 3 kg (6.6 lb) Projectile: 1.5 kg (3.3 lb)[2] |
Calibre | 47 mm (1.9 in) |
Breech | Vertical sliding-wedge |
Elevation | Dependent on mount |
Rate of fire | 30 rpm[3] |
Muzzle velocity | 571 m/s (1,870 ft/s) |
Maximum firing range | 5.9 km (3.7 mi) at +20° 4.5 km (2.8 mi) at +80° |
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