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The Black Eagle tank (, or ''Object 640''), was a presumed prototype main battle tank produced in the Russian Federation. It was thought to have been developed by the KBTM design bureau in Omsk in the late 1990s. A production version of this tank has never been publicly demonstrated. The Black Eagle has been cancelled, with all production and development halted. The company that was developing the tank, Omsk Transmash, has gone bankrupt,〔(Omsktransmash )〕 and its designs and projects have been absorbed into Uralvagonzavod and state owned services.〔(Конструкторское бюро "Омсктрансмаша" станет филиалом "Уралвагонзавода" - Экскаватор РУ )〕 Uralvagonzavod was developing the T-95 in competition to the Black Eagle, and now owns the rights to both projects, but the Russian government has withdrawn all support and funding for the project. == Development == Development started during the 1980s, when the design bureau of the Leningrad Kirov Plant (LKZ) developed a new design based on the stretched T-80U chassis. Later, when the bureau closed, the documentation was transferred to KBTM in Omsk. A mock-up of the Black Eagle was first demonstrated at the VTTV arms exposition in Omsk, in September 1997, making a single brief pass, far from the reviewing stands. The tank appeared to be a standard T-80U hull, topped by a very large turret and gun, obscured by camouflage netting and canvas. The turret later turned out to be a crude mock-up. An early prototype was shown at an arms exposition in Siberia, in June 1999. This tank had an elongated hull with seven pairs of road wheels instead of the T-80's six, and a turret still mostly obscured by camouflage netting. The tank was based on a lengthened T-80U hull, with an extra pair of road wheels and a brand new turret. It appeared to have had very thick front armour and new-generation ''Kaktus'' explosive reactive armour on the hull and turret. The turret had a very large, box-shaped turret bustle instead of the traditional dome shape of previous Soviet and Russian main battle tanks. According to Russian reports, the Black Eagle design had abandoned the carousel-style autoloader in the fighting compartment for an autoloader mounted in the large western-style turret bustle, which incorporates a blow-out armoured ammunition compartment for crew safety, like the U.S. M1 Abrams, the German Leopard 2, British Challenger 2, French Leclerc and several other modern western tanks. The prototype had a 125 mm tank gun, but it was stated that it may have accommodated a larger 152 mm gun〔Zaloga 2000, p 4.〕 (compared to the 120 and 125 mm-calibre guns of main battle tanks in service). There was debate about whether the Black Eagle would incorporate the Drozd or Arena Active Protection System. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Black Eagle (tank)」の詳細全文を読む スポンサード リンク
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