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T-100 LT
It's almost like this is becoming a weekly thing...
About this creation


T-100 1964 concept drawing by VNII-100 institute.


Interior schematics of the T-100 light tank.



























*Copy Paster Wiki Info*

Historical Info

In the mid-60s the Soviet Army Command decided a new low-profile airborne light tank was needed. Research Institute No.100 was assigned with the carrying out of the project. To put the basis of the new light tank, components and assemblies were taken from ChTZ's BMP Object 765.

Development

To create an easy-to-produce airborne and land tank, Institute 100 (VNII-100) took a classic layout with rear engine placement and the position of the driver in the compartment at the left side. The design of BMP Object 765 propusion systems were used in development and, in connection with the new modified engine compartment volume (MTO) and a decrease in body height, undergone significant changes. The chassis (according to one schematic) was developed as semi-supported after the model of BMP "Object 765". The tank was to be transported by AN-12 aircraft and parachuted to landing.

In a joint operation with GSKB-47 (design bureau 162), under the command of L.S. Troyanova, preliminary layout study was held in preparation for the development of a primary weapon complex, which was to be carried out by head engineer A.A. Timofeev. It was comprised of a new 100mm active-reactive missile launching system with increasing cumulative projectile armor penetration at range, capable of being effective at 400m up to 1200m. The light tank project, at this point, was given the designation T-100, also called VNII-100 project in blueprints after the institute name.

Characteristics

The main benefits of the tank were the simplicity of the design and relatively low mass. The weapon complex was superior at point-blank range to any other light armor-piercing projectile guns of about equal volume/weight at the time. It could be installed not only on light tanks, but also on other machines such as infantry fighting vehicles and airborne support SPGs. Using the design of the T-100 light tank vastly increased the combat capability over the existing PT-76B tank, while maintaining reliability, low-cost and ease of manufacture and maintenance.

The pressure of powder gasses in the barrel of the active-reactive system was significantly lower (2-3 times) than on other tank guns, being made according to the scheme of classic artillery shells while featuring reduced mass and dimensions. This made possible the use of automatic and small-caliber guns with complex tools for the armament of the T-100, as well as turret guns, which provided an acceptable mass and size of weaponry.

Estimating the mass and dimensional parameters of other potential implements to the T-100 weapon complex, Institute 100 designers have come to the conclusion that the most appropiate weapon scheme was the six-shot turret gun. In this case, compared to the single-shot variant, with quite reasonable breech dimensions and gun weight, the combat characteristics of the weapon were significantly improved and many construction and layout issues were easier to solve.

The loading mechanism of such a weapon was to ensure the automatic rotation of the drum after firing, with the help of an interpreter, which made the shifting of the drum possible. This device provides the simplest way to solve the matter of choosing one or another type of shell, as opposed to classical turret and barrel guns, in which the drum rotation was performed sequentially on a single type of shell. Such a design allows to always have in the drum loading mechanism different combinations of ammunition: six shots of the same type (armor-piercing or high-explosive fragmentation), or a combination of two types of shots (three armor-piercing and three high-explosive fragmentation). In both instances, the gunner provides automated consumption of all shells located in the drum. This type of loading mechanism provides the best possible readiness to fire the gun and independent choice for the type of shell, both unachievable in conventional systems. The mechanism minimizes the preparation of the first shot and provides almost instant readiness for the next shot. At the same time there was no need to install a hydrostop (with stabilized actuators) for the loading of ammunition. This, in turn, avoids a more simple and cheap system weapon stabilization and scopes with a dependent line of sight (type TS and TPN-1), and ensures no tampering at the time of loading and an independent stabilized scope.

The use of a turret with blocks of breech nests made it possible to create a compact and comparatively light automatic gun with autonomous ammunition, with a high rate of fire. Reducing the time of preparation of the first shot was the most valuable asset for tank weapons, since by that time the time required to produce the first sighting shots depended substantially on the combat effectiveness of the whole complex of tank weapons. Abandonment of the buoyancy of the machine and the transition to a non-floating tank scheme with minimal transverse dimensions allowed to create a very powerful light tank as the armor and radiation protection of the frontal part was not inferior to the protection of other Soviet tanks at the time.

According to the project, the hull was welded from rolled steel plates. The upper part had a combined frontal armor protection (steel + fiberglass + steel) with a reduced protective thickness of 430-450 mm. It provides protection against chemical NATO projectile guns of caliber 90mm and 105mm as well as from French anti-tank type SS-11. The front plate's big angle (68 ░) allowed to provide protection against foreign armor-piercing projectile guns: 75 mm (AMX-13), 83.8 mm (Centurion) 90 mm (M48 Patton), 76.2 mm (M41 Walker Bulldog) at all distances; from the 105 mm cannon (M60 Patton and Leopard) at a distance of 300 m and from 120 mm cannon (Chieftain) at a distance of 100 m. armor plate sides and hull were 40 mm thick provided, at all ranges, protection from 20 mm NATO guns, installed on APCs. The roof of the hull in front of the steel was 16 mm thick, the roof over the engine compartment - 20 mm aluminum alloy armor. The bottom of the front and middle plate had a thickness of 16 mm, in the rear section - 6-8 mm. The equivalent thickness of a cast turret in the front sector combined with a ▒ 30 ░ angle was 180 mm (155/30 ░), side - 40-50 mm, roof - 12-26 mm.

Fate

Despite the high level of protection of the light tank, its little cooperation level with bigger land machines and most importantly - the lack of buoyancy prevented it from being approved for production past the design phase. Light tank equipment and active-reactive systems also did not receive further development and development of complex weapons for the T-100 were terminated. The main efforts of specialized design offices have focused on the development of advanced amphibious tanks with artillery guns of a smaller caliber (85-100 mm). Work on the production of a light tank armed with a 100 mm rifled ballistic gun was continued in the 1970s by VgTZ design offices in Volgograd (Object 934) and CMH Kurgan (Object 685).

*Model Info*

- Rotating Turret with elevating/depressing gun
- Rolling tracks
- No suspension

*Builders Notes*

Tiny...

That's what this tank is, also Pancake would also describe it...

The hull was relatively easy to do but the turret somewhat of a challenge considering I had two studs worth of height to play with so not a lot of room for shaping angles. Overall I'm quite happy with the result even though it lacks suspension, I thought the wheels were just perfect for the vehicle and they are really what kick started the whole build today...



EDIT: We made the homepage again!



Building instructions
Download building instructions (LEGO Digital Designer)

Comments

 I made it 
  March 31, 2019
Quoting adam thelegofan rutland smash some cars!XD
Yeah it did...
 I like it 
  March 31, 2019
smash some cars!XD
 I made it 
  March 26, 2019
Quoting Petey Bird If they're all gonna look this good, then please keep this a weekly thing :)
Haha we'll see...
 I like it 
  March 26, 2019
If they're all gonna look this good, then please keep this a weekly thing :)
 I made it 
  March 22, 2019
Quoting BATOH rossi I didn't know the T-100, it's an interesting concept. excellent model;)
Thanks, yeah Wargaming finds some interesting stuff in those old Soviet archives...
 I like it 
  March 22, 2019
I didn't know the T-100, it's an interesting concept. excellent model;)
 
By killswitch95 (Last Name is Dank AF)
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