10/3/2023 0 Comments World of steel tank force modWhen the explosive reactive armor (ERA) is penetrated with a shaped charge, the explosive in it detonates and “pushes” the body plates to opposite sides. The principle of action of Kontakt-1 is based on scattering of the shaped charge by throwing a metal plate in its direction under the action of the energy of the directed explosion. The layer of PV-5A explosives itself (85% hexogen) is 5.4 mm thick and weighs 260 grams. In the armed forces, its elements are known under the 4S20 index.ĤС20 ERA is a plate, which in the section resembles a “sandwich” made of explosives, being covered with metal plates with a thickness of 2.3 mm on both sides. Kontakt ERA belongs to the first generation and was developed in 1982 by the Soviet Scientific Research Institute of Steel in order to increase the protection of armored vehicles from HEAT rounds and missiles. Kontakt-1 is one of the most common explosive reactive armor, installed on thousands of combat vehicles on both sides of the line of engagement. However, what do we know about their varieties and effectiveness? Today we will try to overview the common ERA samples and analyze their use. In attempts to protect themselves and their combat vehicles, the servicemen installed ERA blocks on the most unexpected samples of equipment. During the Russian-Ukrainian war, a practice of using reactive armor for combat vehicles reached an unprecedented scope among tankers.
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