Madsen 20 mm cannon
The 20 mm AA Machine Cannon M/38 was a 20 mm rapid fire autocannon produced by the Danish company Dansk Industri Syndikat (DISA). The gun, which could be adapted to several tactical uses, was a primary weapon of the military of Denmark. It was also exported to numerous countries around the world because of its versatility. The cannon was built at the DISA works in Herlev near Copenhagen. The company supplied several different types of mountings with the weapon which allowed it to be employed in a variety roles such as aerial defences, anti-tank warfare or on naval ships.
| Madsen 20 mm cannon | |
|---|---|
Madsen 20 mm cannon | |
| Type | Autocannon |
| Place of origin | Denmark |
| Service history | |
| Used by | See Users |
| Wars | Spanish Civil War Second Sino-Japanese War World War II Winter War Continuation War Chinese Civil War |
| Specifications | |
| Mass | 55 kilograms (121 lb) |
| Length | 2.5 m (8 ft 2 in) |
| Barrel length | 1.2 m (3 ft 11 in) L/60 |
| Cartridge | 20 x 120 mm |
| Cartridge weight | .29 kg (10 oz) AP .32 kg (11 oz) HE |
| Caliber | 20 mm |
| Barrels | air-cooled |
| Action | recoil-operated |
| Rate of fire | 400 rpm (cyclic) 250 rpm (practical) |
| Muzzle velocity | 900 m/s (3,000 ft/s) |
| Effective firing range | 500 m (1,600 ft) |
| Maximum firing range | 2,123 m (6,965 ft) |
| Feed system | 10, 15 or 60 round magazine |
| 20x120 mm Madsen | |
|---|---|
| Type | Autocannon |
| Place of origin | Denmark |
| Production history | |
| Manufacturer | Kynoch |
| Specifications | |
| Rim diameter | 28.9mm |
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