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The IS-3 was a compromise, combining the Kotin chassis with the Dukhov turret while retaining the Object 703 factory designation. However the tank could not exceed the weight of the IS-2 tank (46 metric tons), requiring some redesigns to decrease the new tank weight.
There are two tanks known as IS-3: Object 244 was an IS-2 rearmed with the long-barrelled 85 mm cannon (D-5T-85-BM) and developed by the Leningrad Kirov Plant (LKZ), which was never series-produced for service use. The IS-3 known as Object 703 is a Soviet heavy tank developed in late 1944, and began production in May 1945.
The IS-7 heavy tank design began in Leningrad in 1945 by Nikolai Fedorovich Shashmurin [1] [2] [5] Weighing 68 tonnes, thickly armoured and armed with a 130mm S-70 long-barrelled gun, it was the largest and heaviest member of the IS family [4] and one of the most advanced heavy tank designs.
In 1948 the Soviets had three different kinds of heavy tanks in service sharing little except for road wheels and guns: The IS-2 was the most mechanically reliable, but was becoming obsolete with Western countries such as United States and the United Kingdom fielding newer heavy tanks. The IS-3 was plagued with construction and mechanical ...
The D-25 used a separate shell and powder charge, resulting in a lower rate of fire compared to the single-piece ammunition used in most tanks, a serious disadvantage in tank-to-tank engagements. Soviet proving-ground tests showed that the D-25 could penetrate the front armor of the German Panther at 2,500 m (2,700 yd) while the D-10 could do ...
The L3/33 CC (Contro Carro, literally "Anti Tank") was based on the L3 tankette. A small number of L3/33s and 35s had their 6.5mm machine guns replaced by a Fucile Controcarri S Mod.39 (20 mm) anti-tank gun, creating an ad-hoc tank destroyer platform. Arriving too late to see action in Libya before the Axis retreat of the area, they saw only ...
The ISU-152 (Russian: Самоходная установка на базе танка ИС с орудием калибра 152мм, ИСУ-152, romanized: Samokhodnaya Ustanovka na baze tanka IS s orudiyem kalibra 152mm, meaning "IS tank based self-propelled installation with 152mm caliber gun") is a Soviet self-propelled gun developed and used during World War II.
The first prototypes of the BT-7 had a distinctive canted-ellipse shaped turret mounting both the main gun and a coaxial machine-gun.The specification also called for the project to allow for the installation of new guns without any significant change to the framework: the 76 mm KT-26 or PS-3 main gun (a short-barreled howitzer) and the 45 mm 20K model 1932/38, a long-barreled, high-velocity ...