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The Oerlikon KCA is a Swiss 30 mm (1.181 in) gas-operated single-barrel revolver cannon developed for aircraft use. Its most noticeable use was on the JA 37 Viggen fighter[1] mounted in a conformal pod as the akan m/75. The KCA fires a 30 mm × 173 mm (1.181 in × 6.811 in) shell that is 50% heavier than the NATO standard ammunition used on ADEN and DEFA cannon. It can fire up to 1350 rounds per minute at a muzzle velocity of 1030 m/s, with an effective range of 2,500 m (8,200 ft)
| Oerlikon KCA | |
|---|---|
 | |
| Type | Automatic cannon |
| Specifications | |
| Mass | 136 kg (300 lb) |
| Length | 2.69 m (8 ft 10 in) |
| Barrel length | 1.98 m (6 ft 6 in) |
| Shell | 30 x 173mm |
| Calibre | 30mm |
| Barrels | 1 |
| Action | Four-chamber revolver |
| Rate of fire | 1,350 rounds/min |
| Muzzle velocity | 1,030 m/s (3,400 ft/s) |
A modified version of the KCA cannon is still in use as the main armament of the Skyranger 30 short range air defence system.[2]
See also
edit- VENOM 30 mm – British 173mm long variant
- GIAT 30 - comparable French design, 150mm & 113mm long
- VENOM LR 30 mm – British 21st century derivative of ADEN, 113mm long variant
- DEFA cannon – comparable older French design, 113mm long
- ADEN cannon – comparable older British design, 111mm
- Mauser BK-27 – comparable German design, 27×145mm
- R-23 cannon – comparable Russian design, 23×260mm (telescoped)
- M39 cannon – comparable older US design, 20×102mm
References
edit Media related to Oerlikon KCA at Wikimedia Commons
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