57 mm kanon M/89B
The 57 mm kanon M/89B was a Swedish naval gun deployed aboard early destroyers as their secondary armament.
| 57 mm kanon M/89B | |
|---|---|
| Type | Naval gun |
| Place of origin | Sweden |
| Production history | |
| Manufacturer | Finnspong, Stockholm Vapenfabrik, Bofors |
| Variants | M/89, M/92 |
| Specifications | |
| Mass | 380 kg (840 lb) |
| Length | 3.108 m (10 ft 2 in) |
| Barrel length | 2.517 m (8 ft 3 in) (L/50) |
| Shell weight | 2.7 kg (6 lb) |
| Caliber | 57 mm (2.2 in) |
| Muzzle velocity | 856 m/s (2,810 ft/s) |
The M89 gun had a shorter 45-caliber barrel that gave the gun a muzzle velocity of 659 m/s (2,163 ft/s) and a weight of 749 lb (339.7 kg).
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