Antitank gun Vladimirov

    anti-tank gun Vladimirov

    14.5-mm PTR Vladimirov model 1938

    In the mid-1930s in the USSR were begun extensive work on the development of anti-tank rifles. Among other developers in the competition for the new PTR attended and well-known Soviet designer SV Vladimirov.

    In August 1938 Vladimirov on Scientific Testing of small arms firing range (NIPSVO) were presented several options antitank guns caliber 20 mm, 14.5 mm and 12.7 mm.

    20-mm automatic PTR Vladimirov had worked on the principle of a long stroke trunk with a rotating bolt. Noted the constructive simplicity and manufacturing of weapons, but it was rejected because of the large weight, poor armor penetration, low maneuverability and lack of open sights. 20-mm gun had a weight of 42 kg, the total length of 2215 mm, the initial velocity of the projectile 831 m / s and the rate of 9 rounds per minute.

    protivotankovoe gun vladimirova
    view controls store and folding bipod
    14.5 mm PTR Vladimirov

    14.5-mm SSS had the same advantages as well as successful design of the store, which, without separating it from the gun, placed plate holder with cartridges. By expenditure of ammunition clip was ejected from the store. Gun was mounted on a telescopic sight made by the type of rifle sight PE, intended for remote shooting and disguised targets, such as machine-gun nests. Muzzle velocity was satisfactory, but the gun was rejected because of the small barrel life (150-200 shots) and poor accuracy. 14.5-mm gun had a weight of 23 kg, the total length of 2040 mm, the initial velocity of the cartridge 1010 m / s and the rate of 10 rounds per minute.

    12.7-mm gun Vladimirov had a similar design 14.5-mm model and the same advantages and disadvantages. This sample had a weight of 23 kg, the total length of 2145 mm and a muzzle velocity 1034 m / s.

    Of all tested in August 1938 was marked rifles model 14.5mm and is recommended for revision to improve the accuracy and increase the survivability of the trunk.

    In August 1939, introduced a new 14.5-mm sample PTR Vladimirov.

    protivotankovoe gun vladimirova
    Loading the 14.5 mm PTR Vladimirov

    Automation PTR Vladimirov worked on the principle of recoil when the barrel during long (330 mm). Under the influence of the barrel recoil with a rotating piston gate retreated to the back position, where the gate stood on the sear, and the trunk under the action of its spring back to its original position. At the same time he pulled out of cartridge cases, reflected downward. When you press the trigger valve under the action of the return spring moves forward, removing the next cartridge from the magazine and its dosylaya into the chamber of the barrel. In the forward position occurred locking bore combat larvae turning speed and breaking primer cartridge.

    five-shot shotgun was standing store located obliquely to the right. Weapons were filled collar with five cartridges that are inserted into the store by hand.

    Weight PTR Vladimirov of 1939 was 22.3 kg, with a total length of 2012 mm. It is disassembled into two parts weighing 8.55 kg and 9.5 and could be transported fighters in all conditions. Rate reached 15 rounds per minute. Muzzle velocity was 1030 m / s.

    In August-September 1939, held a comparative test of the new sample 14.5-mm anti-tank rifle Vladimirov (CDB-2) and Rukavishnikova (NIPSVO). The results of these firings were about the same MFR, found a significant number of faults. The biggest problem was the delay associated with neekstraktsiey sleeves.

    According to test results was preferred MFR Rukavishnikova, which in 1939 adopted the Red Army. Anti-tank gun Vladimirov on arms had been taken into production and not received, remained a prototype.

    anti-tank gun Vladimirov

    14.5-mm PTR Vladimirov of 1939


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