QF 13-pounder 9 cwt
Anti-aircraft gun / From Wikipedia, the free encyclopedia
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The 13 pounder 9 cwt anti-aircraft gun[note 1] became the standard mobile British anti-aircraft gun of the World War I era, especially in theatres outside Britain.
Quick Facts Type, Place of origin ...
QF 13 pounder 9 cwt anti-aircraft gun | |
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Type | Anti-aircraft gun |
Place of origin | United Kingdom |
Service history | |
In service | 1915–1920s[1] |
Used by | British Empire |
Wars | World War I |
Production history | |
No. built | 306 |
Specifications | |
Mass | 7.5 tons[2] |
Barrel length | Bore: 7 feet 9 inches (2.36 m); Total: 8 feet 1 inch (2.46 m)[2] |
Shell | 12.5 pounds (5.67 kg) Shrapnel; later HE |
Calibre | 3-inch (76.2 mm) |
Recoil | Hydro-spring, constant 24 inches (610 mm) (Mk III mount); 35 inches (889 mm) (Mk IV mount)[2] |
Carriage | high-angle mounting on lorry |
Elevation | 0°–80°[2] |
Traverse | 360°[2] |
Rate of fire | 8 rds/min |
Muzzle velocity | 2,190 ft/s (670 m/s)[3] |
Maximum firing range | 19,000 ft (5,800 m)[4] |
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