QF 1 pdr Mark I & II ("pom-pom") | |
---|---|
Type | Autocannon |
Place of origin | United Kingdom |
Service history | |
In service | 1890s–1918 |
Used by | South African Republic British Empire Khedivate of Egypt[2] German Empire Paraguay Belgium United States Finland Bolivia[3] |
Wars | Mahdist War[4] Spanish–American War Second Boer War 1904 Paraguayan Revolution[5] Herero Wars[6] World War I Finnish Civil War Chaco War Winter War |
Production history | |
Designer | Hiram Maxim |
Designed | Late 1880s |
Manufacturer | Maxim-Nordenfelt Vickers, Sons & Maxim DWM |
Variants | Mk I, Mk II |
Specifications | |
Mass | 410 pounds (186.0 kg) (gun & breech) |
Length | 6 ft 1 in (1.85 m) (total) |
Barrel length | 3 ft 7 in (1.09 m) (bore) L/29 |
Shell | 37 x 94R Common Shell |
Shell weight | 1 lb (0.45 kg) |
Calibre | 37-millimetre (1.457 in) |
Barrels | 1 |
Action | automatic, recoil |
Rate of fire | ~300 rpm (cyclic) |
Muzzle velocity | 1,800 ft/s (550 m/s)[7] |
Maximum firing range | 4,500 yards (4,110 m) (Mk I+ on field carriage)[8] |
Filling weight | 270 grains (17 g) black powder |
The QF 1 pounder, universally known as the pom-pom due to the sound of its discharge,[9][10][11] was a 37 mm British autocannon, the first of its type in the world. It was used by several countries initially as an infantry gun and later as a light anti-aircraft gun.
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