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Cate's Research-Investigation Bureau

CRIB is an independent passion project led by 1 person interested in Russian military equipment. This blog focuses on Russian military vehicle news, historical events and development. Any coinciding information or the author's perspective on reality is purely random.

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Kurganmash BMP-2 bought by Austria for IFV evaluation

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- November 08, 2024

SK-105A2 Kürassier KFOR

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- November 07, 2024

I am not very good at taking pictures.

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CRIB: CRIB is an independent passion project led by 1 person interested in Russian military equipment. This blog focuses on Russian military vehicle news, historical events and development. Any coinciding information or the author's perspective on reality is purely random.

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Comprehensive Soviet/Russian vehicle collection
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Leopard Family
Soviet/Russian Tank Sight Collection
DVE-BS Wind Sensor
Assortment of 2E42-4 "Jasmin" Information

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Popular posts from this blog

"AGAVA" - "AGAVA-2" and its confusing history

- December 28, 2020

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

GTD-1000 - GTD-1000TF - GTD-1250 Gas Turbine Engines

- December 05, 2020

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 &qu

Object 490 "Тополь" - "Poplar"

- December 22, 2020

The project of a promising tank developed in the 1980s by E.A. Morozov. Object 490 "Тополь" - "Poplar" mockup The design had some primary characteristics which are worth mentioning. A crew consisting of two people - the gunner commander and the driver. Reducing the crew to two and placing them in a compact, well-protected capsule. The use of a hydropneumatic suspension. In addition to solving the main task - increasing average speeds by improving the smoothness characteristic, it makes it possible to control the tank's clearance, which increases the manoeuvrability and survivability in battle. In addition, the controlled hydropneumatic suspension by changing the trim of the machine allows you to increase the gun pointing angles in the vertical plane. Reducing the crew to two people and placing them in a compact, well-protected capsule with the automation of the functions performed by tankers. The principled ability to control

T-90A - a short history of sights

- November 16, 2020

In 2004, the T-90A (Object 188A1) tank joined the Russian armed forces. It included many fire control system upgrades, a new welded turret, and improved mobility. The T-90A Obr. 2004 tank was fitted with a T01-K05 Buran-M Obr. 2004 3rd generation night vision sight, which improved over the previous T01-K01 Buran-PA sight from the T-90 Obr. 1992. --Picture of T-90A with Buran-M Obr. 2004-- In 2005, the tank received an upgrade for the sight, which became T01-K05 Buran-M Obr. 2005, with noticeable differences in the sight's housing. --Picture of T-90A with Buran-M Obr. 2005-- --Picture of T-90A diagram with Buran-M Obr. 2005-- --Picture of two T-90As, one with Obr. 2004 and one with Obr. 2005 Buran-M sights-- Above: T-90A with Buran-M Obr. 2004 sight, and behind it, T-90A with Buran-M Obr. 2005 sight. In 2006, the T-90A had to be brought to more modern standards, so the production of this model with new second-generation thermal imaging sight began. The sight was named ESSA, wh

BMP-3 with "Karkas-1"/"Karkas-2" ERA packages

- November 09, 2020

Shown at an exhibition in Omsk in 2001. ERA blocks are located on the side and frontal parts of the hull and turret together with rubber fabric and lattice screens. Additional protection significantly increases the survivability of the BMP-3. Advertising information of those years stated that the BMP-3 with the "Karkas-1"/"Karkas-2" was capable of withstanding the impact of HEAT grenades (RPG) with armour penetration up to 550 mm. Also, reactive armour blocks increase the armour's resistance to damage from bullets of 14.5 mm calibre. Only known image of a BMP-3M swimming with the additional armour package. Further topic on BMP-3 ERA package

T-80 aerodynamic features - Part 1

This article is the first part of a set of articles covering the engineering and methodology used to create the T-80s filtration system alongside aerodynamics to reduce airflow dust/sand contamination. The T-80 MBT has been fielded in many climate regions. Desert climates pose a variety of variables that directly impact dust presence in the engine air filtration system. Variables include wind speed and direction, vehicle speed, depth and soil composition, air intake system design, and contours of the hull and turret. Historical background: Long-term trials were conducted in the southern Kara-Kum desert. It was determined that during 1970-1983, the quantity of dust present in the engine filtration system increased due to climate changes and weaker upper soil layers. During the 1970s to 1980s, the Turkmen Canal underwent Soviet industrialization to build an irrigation canal and other facilities. This build-up of new infrastructure directly affected wind speeds in the ar

T-80 rubber flaps - Part 3

- January 27, 2024

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, present on the lower frontal plate of T-80s. Its primary f

NII Stali 4S24 ERA showcase video

- August 30, 2022

Earlier NII Stali announcement . Video created by NII Stali for the showcase of 4S24 ERA. Individually picked frames from the video. Individual 4S24 ERA plates ERA package demonstration Live fire demonstration using 4S24 container, located at a cedent distance from an armour plate creating a large air gap. The plate represents the side armour of an MBT. NII Stali confirms that the ERA package can be used as an all-around protective package on BTRs, BMPs and MBTs. The ERA block functionality was tested using a standard RPG-7 firing a PG-7VS HEAT charge with an approximate penetration value of 400mm against steel. Snippets slowed down for a better understanding of how the charge is countered by the ERA container. A reverse layer added. Post detonation effects on main armour plate. The ERA container and the large air gap almost nullified the potential chemical penetration of the HEAT charge. Resulting in small craters ranging from 2mm-5mm. Effectively the container holding the ER

BMP-3 ERA topic continuation

- July 27, 2021

This post expands on a previously covered topic, being the BMP-3 with ERA . Potentially sealing this topic until later when more information comes to light. ERA package components: ERA containers filled with 4S24 ERA elements, containers are mounted on the front and both sides of the hull. Slat armour mounted on the rear of the vehicle protects the engine compartment. Overall package performance: Protection against AT rocket-propelled grenades (RPG) PG-7V, PG-7VS, PG-7VL, PG-7VM, PG-9S and other types of grenades capable of penetrating up to 600mm RHA within a 180 ° fire arc. In areas covered by ERA containers, the probability of protection is at least 80%. In areas covered by slat armour, the probability of protection is at least 50%. Protection against small arms: Areas covered by ERA containers 12.7mm B-32 rounds at 0m within 180 ° fire arc 14.5mm B-32 rounds at 50 m within 180 ° fire arc Areas covered by slat armour and steel plates 12.7mm B-32 rounds at 35 0m within 180 ° fi

Modernized T-72M1 "T-72M1M" with Arena APS

- August 07, 2021

The T-72M1M with Arena APS was only shown once during the Russian Arms Expo in 2002, Lower Tagil. It was a modernized T-72M1 that featured the latest technological advancements at the time. While primarily being offered as an export variant, it was also considered that the vehicles modernization package would also be offered to nations that already have T-72M1 and want to upgrade them. This vehicle featured several major improvements over baseline T-72M1 tanks. The first major improvement was its Fire-control-system. Previously installed TPN1-49-23 gunners night sight was replaced with a multi-channel thermal sight with an integrated laser rangefinder and ATGM guidance channel. Having the ability to guide ATGMs the vehicle also came with the 9K119 ATGM complex. The old TPDK-1 gunner's sight was not replaced but was used as an auxiliary sight in the case the main multi-channel sight fails. T-72M1M also improved on the T-72M1 by featuring a ballistics computer and automatic target t