Vickers 40 mm Class S gun
40 mm ground attack aircraft cannon / From Wikipedia, the free encyclopedia
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The Vickers 40 mm Class S gun,[1][lower-alpha 1] also known simply as the Vickers S or S gun,[3] was a 40 mm (1.57 in) airborne autocannon designed by Vickers-Armstrongs for use as aircraft armament.
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Quick Facts Service history, In service ...
Vickers 40 mm Class S | |
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Service history | |
In service | 1942- |
Used by | Royal Air Force |
Wars | Second World War |
Production history | |
Produced | 1942 |
Variants | Mk 1, Mk 2 |
Specifications | |
Mass | 320 lb (150 kg) |
Length | 9 ft 9 inches (2.97 m) |
Barrel length | 5 ft 7 in (1.7 m) |
Cartridge | 40x158R |
Cartridge weight | 4 lb (1.8 kg) |
Calibre | 40 mm (1.6 in) |
Rate of fire | 100 rounds/min |
Muzzle velocity | 1,870 ft/s (570 m/s) with 3 lb (1.4 kg) shot |
Feed system | 12-round drum later 15 rounds |
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It was primarily used during World War II by British aircraft to attack ground targets.[4] It was largely replaced by the RP-3 rocket from 1943 on.