The appearance of tanks on the battlefield created a furor. Reach their full potential and demonstrated itself in all its glory is fighting vehicles during World War II. At the same time the process is started the rapid evolution of anti-tank weapons. In response, the tank designers began to think about how else could protect military machine so that the "no drop" its characteristics.
Whoever can think that the "umbrella" is quite a tool to protect the tank from enemy hit shots. It all began at the end of the Second World War, when a huge number of tanks began to beat with the help of funds from the shaped charge. Already in the postwar years, the effectiveness of such munitions has increased almost twice. All this has pushed designers to create new remedies.
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In the Soviet Union very quickly realized that even the most modern tanks (at the time), T-54, T-55 and T-62 is not able to go through with his armor penetration HEAT projectile. armor thickness ranged from 100 mm to 170 mm (this was only on the frontal part of the tower). In order to withstand the cumulative penetration projectile armor would require at least 215 mm minimum. Needless to such a "victim" to the designers could not, but because it was necessary to look for alternative solutions.
And so it was invented shield ZET-1. We created the "umbrella" of the shaped-charge projectiles in 1964. The whole system is composed of mesh side screens and one big screen on the tank gun. The essence of the system was to ensure that the cumulative charge was detonated at a meeting with the grid. As a result, part of its energy is wasted, and therefore, could not penetrate the armor available. Setting the screen to the tank takes 15 minutes, and bring it on alert for 2-3 minutes. Manufactured protection of duralumin. Total weight remedies was 200 kg.
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Mesh screens have been successfully tested and worked well, but the troops they have not taken root. Command decided what to install ZET-1 on the machine is necessary only in case of a direct military threat. After adopting a more advanced T-72 the need for such grids and does no longer, and because of them forgotten.
I would like to know more interesting facts about the armored forces? How about to read for which a turret of a tank T-34 small holes shut up "plugs" and how they were used in combat.
A source: https://novate.ru/blogs/230419/50175/