| 130 mm Pattern 1936 B-13 | |
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| General Historical Information | |
| Place of origin: | Soviet Union |
| Category: | Naval/Coastal Defence Gun |
| Used by: |
USSR |
| Passengers: | 1 |
| Calibre: | 130mm |
| Ammunition: | ↑ AP ↓ HE |
| Used by vehicles / ships: | Gnevny Rezvy ISU-130 |
| Position 1: | Gunner |
| Historical Picture | |
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During World War II B-13 guns were the most common medium caliber naval guns. All leaders and destroyers of Soviet fleet, built before 1945, a number of gunboats and some mine-layers, and most of the shore batteries were equipped with them. B-13 guns were also used in the armored trains and in railway batteries. B-13 gun was created on the basis of 130 mm/55 B7 Pattern 1913 gun, designed in 1911-1913 by KB Obukhov factory. Barrel was shortened by 5 calibers, and to have ballistics unchanged, pressure in the channel was increased. Range was increased by 2 - 3 km due to changing angle of elevation from +30 ° to +45 °.
In 1944 the self-propelled gun self-propelled howizter ISU-130, armed with B-13 gun, was developed on chassis ISU-122S. Car has front-line test, but the series was not adopted.
In April 1940, Object 103 - project of "coastal defense heavy tank" based on the basis of heavy experimental Soviet tank T-100, was developed. It had to be armed with 130-mm gun B-13 in a rotating turret and three DT machine guns. By eliminating the small tower and its ammunition, significant increase in mass of the tank, and, respectively, and reduce the speed, maneuverability and cross-country would have been prevented, and even slightly increase its reservation. On 14 March prototype was ready, but the test was canceled in connection with the end of the Winter War.
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