Who can introduce the Soviet Stalin (is) series of tanks during World War II?

IS tank is a series of tanks that started in the Soviet Union during World War II. It is named after Joseph Stalin (Iosif Stalin). It is called the JS tank in Germany and the ИС tank in Russian. Its appearance was mainly due to the impact of German Tiger tanks and Panther tanks. ,

IS-1

The first tank of the IS-1 series. After the Battle of Kursk, the Soviet Union combined the designs of KV-85 and KV-1S to make it stronger. It was made of fire armor, the prototype was called IS-85, and it was named IS-1 after production.

IS-2

There are two types of artillery selected for it: A-19 122 mm artillery and BS-3 100 mm artillery (it was later used in the SU-100 tank destroyer vehicles and T-55 tanks), although the latter has higher penetration (185 mm vs. 150 mm at 500 meters), many materials mistakenly regard the 1,000-meter 160 mm penetration of the new ammunition developed after the war as the World War II Penetration depth of the D-25 at the time), but was not selected because it was a new type of artillery with insufficient production capacity. The A-19 artillery barrel is 43 times the caliber and can fire tracer armor-piercing projectiles and anti-personnel blasting grenades. Its disadvantage is that the reloading of ammunition results in a slow rate of fire (2 rounds per minute), which is a major flaw in anti-tank use. Its anti-tank capabilities are similar to those of the 17-pound gun, and both can penetrate the Panther's gun at a distance of 600-700 meters. Head up. However, the Germans tested and believed that once the Panther faced the artillery at a 30-degree side angle, it would be unable to penetrate the top of the bow and could only penetrate the Panther's lower bow armor at a distance of 100 meters. . In addition, although the caliber of the artillery provides sufficient grenade lethality, which is of great significance in infantry support, it and the small space inside the vehicle limit the ammunition capacity to only 28 rounds. The IS-122 tank was renamed IS-2 and entered production. A two-stage planetary transmission was used for the first time on the IS-2.

IS-3

IS-3 tank, there were three plans in the design era: Project 244, Project 245 and Project 248. The victory after occupying Berlin Appeared in military parades and never participated in any substantial World War II battles. Its front upper armor is a plowshare type (Shchuka) made of three pieces of armor welded together. The uppermost piece has a driver's access cabin. The two most important pieces of bullet-resistant surface armor are 110 mm with a relative vertical plane of 56 degrees. , with a side angle of 30 degrees, which translates to approximately 61 degrees of armor (converted to 230 mm of vertical armor, but many Chinese sources mistakenly believe that this is the physical thickness of the upper armor. In addition, although Soviet publications state that its upper armor All three boards have 110, but the top one actually only has more than 30. We have to consider the defects of the bomb nest) Its turret protection is greatly enhanced, but its firepower is relatively not outstanding, only 500 meters and 150 mm. The vertical penetration depth is 130 mm, so it cannot penetrate the King Tiger's bow and the front of the turret. However, the King Tiger can penetrate its bow at a certain distance (the side angle of its bow must be added. In actual combat, neither tank can penetrate the bow. You may encounter a situation where the shell is facing the front. In this case, the whole-piece nose will get bonus protection, while the IS-3's nose will be reduced, so the side angle can not be counted. In this case, the 110 mm 56-degree The armor plate has only a vertical thickness of 192 mm, while the King Tiger's 150 mm 50-degree angle nose has a thickness of 240 mm) and the turret (many data only generally say that the front of the turret has more than 220 mm of protection. In fact, this is only It is the data on the position of the turret seat ring. The front of the turret that is flush with the gun is only 110 mm - the shape of the IS-3 turret is only near the turret seat ring and to the left and right of the gun for easy access. The 110 mm area has a larger inclination angle but is vertical on both sides of the gun. The thickness of the part should not exceed 200. Generally speaking, some World War II artillery including KWK43, 128 mm and 90 mm can penetrate its turret at a relatively short distance. You can refer to the tests in Yugoslavia, 90 mm artillery and KWK43 artillery It can penetrate the front of the T-55 turret at 800M and 750M respectively), and it has the same number of mechanical failures.

IS-3's side and rear protection is very strong. The side protection consists of an outer 30 mm thick 30-degree cambered plate, an upper 90 mm thick 60-degree inward-inclined armor and a lower 90 mm vertical armor. However, this configuration makes many people mistakenly think that it has an armored barrel around the turret seat.

Its Д25Т-1943 122mm gun (the name of the A-19 tank) has a directional firing range of 360 degrees and a horizontal firing range of -2 to +19 degrees. But it still exposes the common problem of Soviet tanks that excessively pursues low vehicle height and makes the depression angle too small. The IS-3 later exposed many problems, such as cracked welds on the nose, [6] many engine and transmission system problems (37% of the track pads were found to have cracks when the distance was 855 kilometers during the prototype stage), and the bulletproof appearance caused internal damage. The space is very narrow and there is no turret basket. The loader stands on the floor and cannot rotate with the turret. The crew's operation is quite difficult and it is easy to fatigue, which is not conducive to continuous combat. So production stopped in 1946 and gave way to later heavy tanks. It produced 2,311 units.

The Soviet Union tested the captured No. 102 Tiger II in Kubinka in 1944, saying that the Soviet-made 122 cannon and 100 cannon could penetrate the front of the turret at 1,500 meters and the front top at 500 meters. , however, the fact that this is just the result of shooting the inherent observation hole machine gun hole in the armor and repeatedly shooting the same part is not enough to be regarded as the result of the deterioration of the Tiger II armor.

IS-4

The IS-4 tank can be regarded as an improved version of the IS-2 tank. Designed in 1944, 250 were produced after the war.

IS-6

Several "Ferdinands" of the steel behemoth IS-6 heavy tanks captured in Kursk were sent to the Soviet Kubinka test site as armored vehicles The inspection center "NIIBT for short" conducts electrical transmission tests, and Kojing conducted careful research. As early as the war, he used the IS-1 tank chassis in stock to create an electrically driven "IS-1E" prototype. The electric transmission system of "Project 253" was developed based on the 385-kilowatt DK-305A generator, and the prototype was named IS-6. However, a big explosion occurred on the day of the test run. The entire car was scrapped, and the flames and shock waves even spread to the warehouse thirty meters away. It was later discovered that no cooling device had been installed for the electric drive system.

IS-7

At the end of 1945, the Soviet Kotin Design Bureau began to formulate a heavy tank development plan code-named "Project 260", weighing more than 70 tons. Although the chief designer is still Kotin, the actual project designer is Nikolay Shashmulin, the chief designer of JS-2. A successful prototype test was conducted on September 8, 1946, equipped with a 54-caliber 130 mm cannon for destroyers, with huge firepower. The No. 2 prototype successfully passed the 45-kilometer driving test on December 25. It has a sloping body and a turret composed of weird curved surfaces. It also has a small internally controlled machine gun turret on the turret. In 1947, he redesigned the overall appearance: a large, flat new turret and a sloping body greatly improved its anti-elastic performance. The body was 7.4 meters long. Due to several problems with the car (the most typical ones were A large number of machine guns were installed, but the location of the machine gun magazines was extremely difficult to reach) and was canceled.

IS-10

IS-10 tank, the development plan is called Obt 730, the last heavy tank of the Soviet Union. The program was initially developed under the names IS-5 and IS-8, and later underwent several design changes and was renamed IS-10. After Stalin's death in 1953, it was renamed the T-10 tank to avoid political disputes, and 3,000 tanks were produced. The tank uses a 122 mm gun with a caliber of 47 times. In 1957, a new type of ammunition (BR472) was used with a penetration depth of 185 mm vertical steel plate of one kilometer.

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