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Tuesday, September 14, 2010

T- 90 Main Battle Tank


The T-90 is a Russian main battle tank (MBT) derived from the T-72, and is currently the most modern tank in service with the Russian Ground Forces and Naval Infantry. The successor to the T-72BM, the T-90 uses the tank gun and 1G46 gunner sights from the T-80U, a new engine, and thermal sights. Protective measures include Kontakt-5 ERA, laser warning receivers, Nakidka camouflage, the EMT-7 electromagnetic pulse (EMP) creator for the destruction of magnetic mines.

and the Shtora infrared ATGM jamming system. It is designed and built by Uralvagonzavod, in Nizhny Tagil, Russia.

Development

By 1992, the Russian Ministry of Defense announced that it could no longer afford to manufacture two main battle tanks in parallel.

Since both the "quality" T-80U and the cheaper "quantity" T-72B were being built at different plants, and each plant was critical to the economy of its city, the government gave small orders to both. Omsk built five T-80Us and Nizhny Tagil built fifteen T-72s, and both built more in the hopes of winning large export orders. Nizhny Tagil had built a few T-72BMs, T-72Bs upgraded with a third generation add-on explosive reactive armour (ERA) called Kontakt-5, which was already in service on the T-80U.

To further improve the T-72's export prospects and its chances of being selected as Russia's sole production MBT, the T-80U's more sophisticated fire control system was also added to produce a vehicle designated T-72BU. The T-90 was developed by the Kartsev-Venediktov Design Bureau at the Uralvagonzavod factory in Nizhny Tagil. The production model is based on the T-72BM, with some added features from the T-80 series.

The T-90 with an 840 hp (630 kW) engine went into low-level production in 1993, based on a prototype designated T-88. It features a new generation of Kontakt-5 explosive reactive armor on its hull and turret. Of conventional layout, the T-90 represents a major upgrade to every system in the T-72, including the main gun.

The T-90S have been identified as export model. The references to a T-90E appear to be unsubstantiated.

The T-90 is fitted with a "three-tiered" protection system: the first tier is the composite armour in the turret, second tier is third generation Kontakt-5 ERA and third tier is a Shtora-1 countermeasures suite.

( www.wikipedia.org )

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