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1 hour ago, LoooSeR said:

Heh, only now noticed that Object 195 had HMG (?) mounted co-axially with 30 mm AC. Also, i feel that protectice cover above APS launchers is not for a sight, but probably for an optical sensor.

A pity that this tank didnt get to serial production. As for the cover, maybe laser warning receiver?

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2 hours ago, heretic88 said:

A pity that this tank didnt get to serial production. As for the cover, maybe laser warning receiver?

Big one - no. Right next to it you can see smaller device, which looks very much like laser sensors of Shtora system on T-80UK/90s.

oU4Zqqz.jpg

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https://zen.yandex.ru/media/id/5c154835b2d87b00acb731f7/unificirovannye-tipovye-shassi-okr-odnotomnik-5c1bda1855f3da00aa81a727?from=channel

GurKhan artice about pre-Armata work on unified chassis vehicles.

 

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/.../

...in 1995, work was under way on the creation of a T-95 tank. Naturally, the military wanted to develop this theme in the direction of creating a whole family of vehicles, mainly of an auxiliary purpose. In November, the GABTU issued a technical assignment T.218-95 to conduct development work under the code “Odnotomnik”, and it was given at the same time to two design bureaus - Nizhny Tagil and Omsk.

 

   At the technical project stage, the development of five machines using parts of T-95 tank was assigned. UKBTM developed 1UTSh1 and 2UTSh3, KBTM - 3UTSh5, 4UTSh4 and 4UTSh5.

 

   Such a strange name had the following decoding:

UTSh - unified standard chassis

 

   The first digit meant:

1 - rear arrangement of engine compartment

2 - front arrangement of engine compartment

3 - front arrangement of the engine compartment with a "remote" cabin

4 - rear arrangement of the engine compartment with a "remote" cabin

 

   The number at the end is the category of protection of frontal and lateral projections at probable angles of attack, in order of decreasing levels pf protection. Those were five:

  • 1st category of protection - from armor-piercing sub-caliber shells of modern tank guns and guided anti-tank missiles with HEAT warheads;
  • 2nd category of protection - from armor-piercing sabots of small-caliber automatic cannons and anti-tank grenades with HEAT warheads;
  • 3rd category of protection - from armor-piercing cartridges of large-caliber machine guns;
  • 4th category of protection - from armor-piercing bullets of 7.62mm caliber and fragments of high-explosive fragmentation projectiles;
  • The 5th category of protection is not exactly known to me, but presumably it indicates the absence of protection.

   It was assumed that the UTSH can be used to create on their base:

  • 1UTSh1 - a BMPT tank support fighting vehicle, the Niva control vehicle, a BMLO laser weapons fighting vehicle;
  • 1UTSh2 - BREM, Caterpillar-1 type bridge-laying machine, the Kort engineering mine sweeper, a remote-controlled engineering minesweeper TIMT of the "Kardenit-K" type;
  • 1UTSh3 - IMR-type engineering vehicle "Robot-2";
  • 2UTSh2 - a heavy armored personnel carrier BTR-T, a combined-arms command and command vehicle OKSHM, a ammunition carrier of a heavy flamethrower system TOS, an armored flamethrower fighting vehicle OBBM, a mobile telecontrol station “Kardenit” for a engineering complex for overcoming mine-explosive obstacles;
  • 2UTSh3 - an armored workshop for maintenance BMTO, ammunition carrier vehicle for a heavy flamethrower system TOS, a combat vehicle for collective protection against high-precision weapons BMZ VTO, a universal mining and demining system for UMZ;
  • 2UTSh5 - SPG and TZM (ammunition carrier/reloading vehicle) of 152mm of the Msta-SM;
  • 3UTSh4 - MTM multi-purpose transport machine, TM trench machine, KM trenching machine;
  • 3UTSh5 - landing craft ferry of the type PMM-2, machine for ferries;
  • 4UTSh4 - Derrick-type track planter;
  • 4UTSh5 - alas, until I know what it is

   Total weight of the chassis should not exceed:

  • 1UTSh1 - 42t
  • 2UTSh3 - 38t
  • 3UTSh - 34t 
  • 4UTSh - 36t

/.../

 

Quote

/.../

   The work was carried out in close cooperation between the two design bureaus. After reviewing the results of the first Chechen campaign, it generally received priority status. At the same time it was assumed, by analogy with heavy UTSh, to develop on a similar chassis tracked vehicles of medium weight.

 

   I managed to find a mention of this in one of the “tasty” documents of the Combined Arms Academy of the RF Armed Forces. I will quote: “In order to eliminate the deficiencies in the development of weapons and military equipment of the Ground Forces identified during the fighting, the ordering departments of the Ministry of Defense, together with industry organizations, need to:

   - to carry out a detailed analysis of the failure of weapons and military equipment in the zone of the Chechen conflict for combat damage and technical reasons and to prepare an action plan to eliminate the identified deficiencies;

   - analyze the R&D Plan for 1996 and the draft Plan for 1997 with the aim of making the necessary adjustments to the technical documentation for developed and modernized AFV samples of the Ground Forces in terms of maximally taking into account the experience of combat use of equipment. Consider the possibility of staging new works and the termination of works that have lost their relevance;

   - to transfer the work on the creation of a highly-protected tank support vehicle (R&D "Frame"/Ramka) into the priority category;

   - to intensify work on the creation of a single chassis for a family of combat and auxiliary machines weighing 30–60 tons on the nodes and assemblies of the new tank (code “Odnotomnik”). Expand work on the track unified chassis for machines weighing 10 - 25 tons;

/.../

 

Quote

   After reconciliation with Chechnya, Russia has no money for new armored vehicles, especially as an auxiliary one. In the early 2000s, the R&D was discontinued.

Unfortunately, for several reasons, I can’t show how real-designed vehicleslooked like. However, illustrations here are from patents.

 

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Spoiler

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Found this comment by Yuri Pasholok on otvaga to be interesting.

Quote

   IS-3 has never been a revolution at all. This is an upgrade of the IS-2, and not fully implemented. And the reasons for "not taking off" there are not at all those that are usually advertised. In practice, the IS-3 was more reliable than the IS-2, but the first one went immediately to the unit where a number of the jambs were repaired, and the IS-3 basically went to the long-term storage warehouses. And the production of the IS-3 was discontinued, not because it was bad, but because they wanted to start up the IS-4 series. /.../

 

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On 12/28/2018 at 4:02 AM, Collimatrix said:

 

Yes, that is very interesting.  But Pasholok has a lot of access to the Soviet archives, right?  I am curious to know how he developed this view.

 

He have articles on IS modernisation efforts in which he explains why IS-3 is modernisation rather new revolutionary tank

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IS-3 was a massively flawed design. At least its chassis. It was very weak (had low stiffness), so the hull welds and engine mounts often cracked and snapped apart. This design flaw was so severe that they were never able to truly fix it, despite numerous strenghtenings. Cant say anything specific now, didnt read yet the excellent article about the IS-3M modernization in отечественные бронированные машины 1945-1965.

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