Vickers 40 mm Class S gun
| Vickers 40 mm Class S | |
|---|---|
1942. A Hawker Hurricane fitted with two Vickers S, at Shandur, Egypt. | |
| 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 |
The Vickers 40 mm Class S gun, also known simply as the Vickers S or S gun, was a 40 mm (1.57 in) airborne autocannon designed by Vickers-Armstrongs for use as aircraft armament.
It was primarily used during World War II by British aircraft to attack ground targets. It was largely replaced by the RP-3 rocket from 1943 on.