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T-80U (Object 219AS) Full Forest Camo



 

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T-80 rubber flaps - Part 3

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Over half a year ago, I promised to write an article about T-80 rubber flaps and their purpose, which would have completed the trifecta article collection: T-80 aerodynamic features and  T-80 MBT engine air filtration and dust prevention systems . This article builds up on the T-80 aerodynamic features topic and will conclude this series.  Unfortunately, I have come across zero primary sources, that directly mention the purpose of these rubber flaps, which makes it difficult to write an article with primary sources. There are 2 disputed arguments on this topic; one argument states that the flaps on the T-80s are meant to redirect airflow and reduce air contaminants like sand and dust from entering the engine. The other argument is that these flaps are used as additional protection to prematurely detonate HEAT warheads. I will discuss this topic by only talking about the presence of the flaps on T-80s. Firstly the rubber skirt, is present on the lower frontal plate of T-80s. I...
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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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T-80B fuel efficiency improvements

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Fuel efficiency improvement attempts among gas turbine T-80s have always been a relevant topic.  In the mid-late 1980s, a field trial was conducted to test special fuel efficiency improvement systems mounted on T-80B tanks. Improved control systems and upgraded gas turbine sub-modules were present on upgraded T-80B batches.  The first platoon consisted of 5 T-80B tanks, fitted with 920kW (1250hp) engines and equipped with additional upgrades. The following upgrades were present:  Automatic low-gas parking mode  Improved valves on the NR-1000B fuel regulator with new adjustable nozzle drives and provisioned power supply to function on low-gas parking mode (lowered fuel consumption to 45kg/h) To clarify, low gas mode is a special automatic system preset on T-80 tanks. This system reduces engine output levels and overall performance when the vehicle is stationary. It is achieved by reducing the RPMs on the 2nd cascade turbocompressor and injecting fuel only using 1 set ...
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