130 mm/50 B13 Pattern 1936
The 130 mm/50 B13 Pattern 1936 was a 130 mm (5.1 in) 50 caliber Soviet naval gun. The gun was used as a standard destroyer weapon during World War II, and it was also used as a coastal gun and railway gun. The gun was produced in three different versions which all had incompatible ammunition and range tables. Mountings for the weapon included single open mounts and twin turrets. Besides the Soviet Union, the gun was used on ships sold or donated to Poland, People's Republic of China, Egypt and Indonesia. Finland captured five guns during the Continuation War and used them until the 1990s.
| 130 mm/50 B13 Pattern 1936 | |
|---|---|
130 mm/50 B-13 in Kuivasaari | |
| Type | Naval and coastal gun |
| Place of origin | Soviet Union |
| Service history | |
| In service | 1935—1998 |
| Used by | Soviet Union People's Republic of China Poland Egypt Indonesia Finland |
| Wars | Second World War |
| Production history | |
| Designer | N. N. Magdasijev G. N. Rafalovits |
| Designed | 1929—1935 |
| Manufacturer | Bolshevik Plant no. 232 |
| Produced | 1935—1954 |
| No. built | 1199 |
| Specifications | |
| Mass | 5,180 kg (11,420 lb) (gun only) |
| Length | 6,581 mm (21 ft 7 in) |
| Barrel length | 6,450 mm (21 ft 2 in) (bore) 5,199 mm (17 ft 1 in) (rifling) |
| Crew | 1+10 (B-13) |
| Shell | 130 x 846 mm R |
| Caliber | 130 mm (5.1 in) |
| Breech | Screw breech |
| Elevation | -5° — +45° |
| Rate of fire | 5-13 shots/min (depending on mounting) |
| Muzzle velocity | 820–870 m/s (2,700–2,900 ft/s) (depending on model and ammunition) |
| Maximum firing range | 25,597 m (27,993 yd) |
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