The Soviet Tank Thread: Transversely Mounted 1000hp Engines

[LoooSeR]

32V01 unmanned turret with 30 mm AC, mounted on Typhoon-VDV or "Typhonyonok". 

[LoooSeR]

Pre-TB competition:

 

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[LoooSeR]

UAE's BMP-3s

[LoooSeR]

BTR-82s deployed by Zubr

 

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[LoooSeR]

Iraqi T-90S with OPVT installed

[LoooSeR]

BMP-2D in A-stan

[LoooSeR]

https://fat.gfycat.com/EachMagnificentBee.webm

In gif format:

[LoooSeR]

Pre-TB competitions on T-72B3 UBKh/mod 2016

 

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[LoooSeR]

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   Pskov division received 31 BMD-4M and 8 BTR-MDM Rakushka. Combat vehicles entered the 3rd Airborne Assault Battalion of the 104th Guards Parachute Regiment. The subunit commanders and crews of combat vehicles routinely underwent a 2-month course at the base of the junior specialists training center in Omsk.

 

 

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[LoooSeR]

T-34, 1941

[LoooSeR]

Viking MRAP (or HQ version of it) used by TsSN FSB

[LoooSeR]

https://andrei-bt.livejournal.com/1186187.html

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   In accordance with the Decree of the Central Committee of the CPSU and the USSR Council of Ministers dated February 17, 1961 and the order of the USSR Civil Code issued on March 16, 1961, the LKZ began the creation of a medium tank with guided weapons and enhanced anti-nuclear and anti-HEAT protection. The tank was given the designation "Object 287".

 

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   "Object 287" was a medium tank armed with the Typhoon ATGM. The technical design of the tank was developed by the LKZ design bureau under the supervision of the chief designer J. Kotin in 1962. A prototype tank was factory tested in April - October 1964. In total, four prototypes of the tank were manufactured for factory and joint tests. In addition, another tank ("Object 288") was made to test two gas turbine engines and Lotos ATGM. One set of the hull and turret of the tank was made for testing protection. The tank was not accepted for service.

   Tests of two prototypes of the tank at the Gorokhovetsky artillery range showed unreliable operation of the missile control system and the unsatisfactory results of firing from 73-mm guns. Resolution of the USSR Council of September 3, 1968. Works on the Object 287 tank were discontinued in connection with the deployment of work on equipping the Object 434 tank with the Cobra GL-ATGM.

 

[Collimatrix]

What do we know about Object 420?

[skylancer-3441]

On 3/16/2019 at 10:56 PM, LoooSeR said:

Object 287

Very interesting vehicle with impressive UFP LOS armor thickness even at preliminary project stage

OBM vol.3 p.342 says it was able to withstand some 122mm KE round, and provided protection against 600mm CE.
The thing is - there is a difference between drawings of preliminary project (p.227), and another drawing (p.341), with later having more sloped armor at around 74 degrees

which leads to even more impressive LOS thickness of 90,7 cm,
however I wish there was some better source for that than my measurements using those drawings scaled by their T-64 type roadwheels and 5TDF engine.

 

...
This thing also had sight cover doors, unlike some other russian vehicles of not-so-distant-past:

...
It also had some sort of periscopic device for commander (which, obviously, was located in hull and had rather limited observation via perisopes in his hatch)
here, protruding on the starboard side of the vehicle:

inside:


Upd:
btw, btvt.info's web version of OBM vol.3 article on 287 has same image in somewhat different quality. Upscaled:



And another thing i should've remembered earlier. Btvt.info's article on soviet ERA development history, among other things, talks about ERA which was tested in 1968 with 3 vehicles in mind - obj. 434 (T-64A), obj 775 and obj. 287. For some reason i've always forgot about 287.
Anyway, that article has this drawing of 287 ERA UFP (as anyone can see,  in very bad quality):

and it says that shape of composite armor UFP+LFP is also shown, and that it was taken from drawing of obj.287-50-assembly2. And that this ERA-hull configuration was tested against Falanga ATGM (IIRC 500mm CE) and was also able to protect against up to 800 mm CE treats. (Which leads to a question of whether composite armor version was tested, and able to withstand, against same treats or not)
Anyway, it shows that angle in question is 75 degrees,
and that alone would lead an UFP of 90+130+30mm to having a LOS thickness of about 96 cm.

...
Another interesting feature of 287 is that people in 1940s-1960s were not satisfied at all 
with the way all that slat armor and other means designed to increase standoff distance from shaped charge weapons

also increase vehicle's dimensions and could be torn away by obstacles.

So both in US and USSR there were some developments on how to fold those things when there are no imminent danger. Gill armor on T-72 is rather well-known, and described there https://thesovietarmourblog.blogspot.com/2017/12/t-72-part-2-protection-good-indication.html in length (in part "GILL ARMOUR")
but there were other things which were proposed, tested, and apparently rejected - and 287 got two of those.

There were some thin presumably metal sheets which look similar to some of the prototypes which were tested in early 60s and later apparently lead to "gill armor"


and even earlier 287 had some netted armor - made using steel wire -

which by the way was also proposed for preliminary project of Obj. 432 in 1961

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one can compare all that , for example, with netted armor and metal sheets tested on one T-54 in 1962
  

 

[LoooSeR]

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   The arrival of new T-90M tanks in the Central Military District is expected this year. It is planned that they will enter service with the 90th tank division deployed in the Chelyabinsk region. This was announced at a press conference held on March 15, last Friday.

 

[heretic88]

Also there are rumors that the T-90M will get Afganit or Arena-E APS. If thats true, probably that will be another nail in the coffin of the Armata.

[T___A]

On 3/16/2019 at 4:02 PM, Collimatrix said:

What do we know about Object 420?

 

Checking the GABTU list; such a vehicle doesn't exist. There is an Object 421 which is a bridge laying tank based on the T-54

[LoooSeR]

More of pre-TB contests

 

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[LoooSeR]

Syria. 2 Restored (?) T-34-85s.

 

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[LoooSeR]

BMPT photos *posting while being triggered*.

 

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   Source said that turret protected from 14.5 mm HMG max.

[Lord_James]

1 hour ago, LoooSeR said:

 

Source said that turret protected from 14.5 mm HMG max.

 

The whole turret, or just the unmanned portion? 

[LoooSeR]

6 minutes ago, Lord_James said:

 

The whole turret, or just the unmanned portion? 

Crewed portion is more or less under hull roof.

[Wiedzmin]

19 hours ago, Lord_James said:

 

The whole turret, or just the unmanned portion? 

[heretic88]

Soooooooooooo many weakspots! Looks like an useless vehicle. A tank is much better in every way, even if the tank is so obsolete as the T-72B3.

All in all, the idea of the BMPT is not bad I think, but not in this configuration. Old Objekt-781 is a much better design, I especially like the prototype with the 100mm gun, but even the twin 30mm turreted versions are better than UVZ's BMPT.

[Collimatrix]

2 hours ago, heretic88 said:

Soooooooooooo many weakspots! Looks like an useless vehicle. A tank is much better in every way, even if the tank is so obsolete as the T-72B3.

 All in all, the idea of the BMPT is not bad I think, but not in this configuration. Old Objekt-781 is a much better design, I especially like the prototype with the 100mm gun, but even the twin 30mm turreted versions are better than UVZ's BMPT.

 

Agreed.  I think it is telling that no videos of the BMPTs sent to Syria in actual combat have surfaced.