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The advanced Kontakt-5 explosive reactive armour on this T-90S is arranged in pairs of plates, giving the turret its prominent triangular profile.. An element of explosive reactive armour (ERA) is made of either a sheet or slab of high explosive sandwiched between two metal plates, or multiple "banana shaped" rods filled with high explosive which are referred to as shaped charges.
Kontakt-5 was first observed on a T-80U in 1985. Later, the T-72B, T-84 and T-90 tanks were also equipped with Kontakt-5. In addition, the T-55, T-62 and BMP-3 tank models can also be equipped or upgraded with Kontakt-5. According to the manufacturer, Kontakt-5 is the first type of reactive armor that effectively protects armored vehicles ...
The biological half-life (the average time it takes for the human body to eliminate half the amount in the body) for uranium is about 15 days. [6] The aerosol or spallation frangible powder produced by impact and combustion of depleted uranium munitions (or armour) can potentially contaminate wide areas around the impact sites, leading to ...
T-80A obr.1984 – T-80A with Kontakt-1 explosive reactive armour. The model with Kontakt-1 is sometimes called T-80AV. The main external difference from the T-80BV is the lack of Kobra missile guidance box in front of the commanders cupola. [6] T-80AK – Command variant of T-80A. [6] T-80AK obr.1984 – T-80A with Kontakt-1 explosive reactive ...
Kontakt-1 on the upper glacis and turret of a T-80BV. Kontakt-1 (Russian: Контакт-1; GRAU indice: 4S20) is an explosive reactive armour (ERA) created in 1982 by Soviet NII Stali to protect tanks from shaped charges. The first tank with Kontakt-1 put into service was T-64BV in 1985.
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
The only example currently in widespread service is Russian Kontakt-5. Explosive reactive armour poses a threat to friendly troops near the vehicle. Non-explosive reactive armour is an advanced spaced armour which uses materials which change their geometry so as to increase protection under the stress of impact.
The Soviet T-64 was the first mass-produced tank with composite armour The Leclerc tank is equipped with NERA (Non-explosive reactive armour) [1] Depending on the operating state, the Leopard 2 has various extended armour elements such as bomb protection for the top, cage armour, extended mine protection (A6M) or additional armour in the form of composite armour MEXAS or AMAP Plasan SandCat ...