Ukrainian T-80UD

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T-54/T-55 with GTD-3T gas turbine engine

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In the early 1960s, an R&D program was launched to create a promising next-generation tank. T-54 and T-55 tanks were the basis for various running models, designed to test new components and systems. The GTD-3T gas turbine engine and its supporting systems, the hydromechanical transmission, the placement of the driver in the turret, automated control drives, and the chassis of new experimental tanks were tested on these models. T-54 with GTD-3T Between 1960-1961 Factory No.174 (Zavod No.174) and VNII-100 created a mobility trial mockup using a T-54 and fitted it with a GTD-3T gas turbine engine which unregulated produced 515kW (700 hp), during the installation process the turbine engine's performance was reduced to 318kW (432 hp).  Compared to the baseline T-54, the new variant mainly had its engine transmission bay changed. The GTD-3T displaced more inner volume compared to the standard V-54 diesel engine. Larger volume displacement meant that the engine was 140 mm closer to t...
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"AGAVA" - "AGAVA-2" and its confusing history

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When covering Soviet sight technology there are always some interesting designs and approaches to solving an issue. It is a common fact that the Soviet Union in the 1980s-1990s was quite behind in thermal sight technology. Only in the 1990s, but to be specific in 1992, the Soviet Union now Russia started to field small batches of thermal sights on their tanks, primarily T-80Us and some of the early T-90 variants, which just recently entered service. Russia's journey through creating its own domestic thermal sight traces back to 1982.  The 1980s were quite an important time for the 'Krasnogorsk Factory named after S.A Zverev', which is still to date an Optical Engineering and Optoelectronics factory. The factory is primarily known for making domestic Soviet cameras back in the day. However, that's not the only thing that the factory has produced back then.  Close to the mid-1980s, the facility was contracted to develop new thermal sight technology for the Soviet Ministry...
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GTD-1000 - GTD-1000TF - GTD-1250 Gas Turbine Engines

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The world's first mass-produced tank gas turbine engine GTD-1000T was created at the Klimov Plant in 1968 for the T-80 main battle tank developed By the special tank design Bureau of the Kirov plant (now JSC "Spetsmash"), which was adopted by the Soviet Army in 1976. Since 1980, a modification of the GTD‑1000TF for T-80B/BV tanks was produced, since 1986 a modification of the GTD-1250 for T-80U tanks.  GTD-1250 Engines of the GTD-1250 family as part of the power plants of T-80 tanks are in service with the armies of Russia, Belarus, Cyprus, South Korea, Kazakhstan. Turbine engine GTD-1000T/GTD-1250, which have a large volume-weight  capacity and a more favourable traction characteristic compared to diesel engines, provide T-80 tanks with interesting characteristics: - higher operational readiness - easy start-up at low temperatures (up to -40°C) - better cross-country ability on soils with a low load-bearing capacity - best noise and heat-masking qualities - increased ...
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