Main Battle Tanks and Armour Technology

If Tanks have to evolve, which path they should follow?

  • Light Vehicles-Best for mobility

    Votes: 25 7.3%
  • Heavy Armour-Can take heavy punishment.

    Votes: 57 16.7%
  • Modular Design-Allowing dynamic adaptions.

    Votes: 198 58.1%
  • Universal Platform-Best for logistics.

    Votes: 61 17.9%

  • Total voters
    341

Damian

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Exactly. But it is not in our interest to talk of these designation names even if I could guess at them because by doing so we can determine Arjun's key details. For that matter, I have deliberately not asked for info on T-90s armour tests either. Both these tanks are in Indian frontline service.
It is so hard to tell what ammunition was used on armor tests? It is not any classified information.

Made for the media. These are how conversations go "so you say Arjun is a heavy MBT, show us other specifications"...
If something was made for the media should not be used as source. Journalists of mass media are in 99% morons.

Money talks..besides which sharing general design information is meaningless unlesss you can productionize it. Which is where these issues come up as a way of ensuring JVs.
Money is one thing, technology transfer is something different and it depends on goverment permission. If it would be so easy US hapilly would sold their armor technology to anyone that have deep enough pocket to pay for that.
 

Damian

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Ok show us your facts that it is a German sight? You where so confident and abuseing us without knowing that, that makes your a failed troll.
I said it looks similiar, and it probably was based on EMES-15. That's all.

I have been surfing the net since 1996 and i have been reading up on defence stuff ever since then, i know what the Arjun is and i know what it has, i dont need you tell me "what you think" what you think is not fact or a learned argument to put forth and waste other peoples time.
If I waste Your time why You are even answering my posts?

India is DEMOCRACY and we dont censor web sites, like communists and half baked democracies. I dont know much about Poland and so far ALL the pols i meet on the net where down right racists and rude. I think they have an inferiority complex compared to Western europe and they say Raceist stuff just to feel superior and hide their inferiority complex. They are whites but some how this complex exists in eastern block nations. I dont know, so far all the pols i have meet have said terrible things be it on Chatrollute or when i see them here in my country.

I dont hate or dislike pols, i wish well for them but i dont like Nazis, Islamics, Commies acting smart here. This is Secular Democratic forum based on India.
What? Only because You meet some morons You make a general conclusion about our nation? I never said anything bad about India or it's people, or any other nation, same with many other Poles, learn history of my country, Poland was one of the most tolerant countries in Europe long before India was conquered by British Empire.

EOT.
 

Archer

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Not only, rather: type of rod (shape, MJ,), angle that hits the target, distance, etc.
Yes, now what were the different rods fired at the Arjun in live fire tests? Thats the point right? What you guys have is exterior shaping which tells you the Arjun is the Leo2A4 or has significant issues etc. What the Indian side has is extensive live fire testing and other tests per IA requirement which show the tank to be proof against its threats.

So F***in good, that part od that material (ammunition storage,safe angles, structural weaknesses) are in the official instructions.

Again - Shopnehauer still alive as I see...
Again, what is publicly known about Arjun ammunition storage, IA requirements or design features? Go on.

When I saw "analysis" Leopard2A4 on btvt I did the same...

BTW: In what way turret sides in Ajrun are protected? In leo2 you hawe 33cm sides. In Ajrun?
Again, so there is no public info about Arjun turret side depth, right? This is the exact reason I brought up live fire tests.

Brillant... what ammo in what area. Mantle?
All over the frontal arc & other areas as well. The tests were comprehensive. Originally, way back, the developers - to save money - put the Arjun armor arrays on derelict tanks and fired away to prove their efficacy. Army asked for live fire tests against actual tanks, not just the armor arrays. Even that was done.

But they have true? Have You read CIA analyst about 80' Sowiet tanks? I do. It's not so simple and taht "little arows" can "save" ~15t in Sowiet tanks.
Its not the 1980's anymore, besides which the Indian side had access to both Soviet & western design concepts when making the Arjun.

Grate - "we don't know what ammo, so Ajrun must be the best tank". :-/
Oh really?
I didn't say it was the best tank. That would be silly. There is no "best tank" when looking at the evolution of the Abrams, the Leopard 2 etc. All have pros and cons. I did say however, it was better than the T-90 in Indian service, which is as of date, the series produced T-90 variant. I stand by that because that is what Indian evaluation has shown of both designs. I personally believe the "best tank" if there is such a thing would be the latest variant of the Abrams, followed by the Leopard2 and Leclerc, and then the Merkava 4. Arjun is good for Indian needs but does not have enough bells and whistles (electronics etc) in its MK1 version to be compared to the latest variants of these tanks. But as a weapons platform, its reasonably rugged, well protected and optimized for Indian desert conditions which these tanks are not.

Dude, belive me I know something about that. Even this stupid EMES-15 gap give only ~10% chance to "get it" on 1500m, but Ajrun turret is so... unusual taht I have really doubt what have better protected turret - T-90/Ajrun.
I don't know what you mean by the EMES-15 here.
 

Archer

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Money is one thing, technology transfer is something different and it depends on goverment permission. If it would be so easy US hapilly would sold their armor technology to anyone that have deep enough pocket to pay for that.
The US is an empire and can afford to keep its IP as it funds its own industries liberally. Others collaborate, eg South Africa with Israel.
 

Godless-Kafir

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I said it looks similiar, and it probably was based on EMES-15. That's all.



If I waste Your time why You are even answering my posts?
Again, you wont accept your mistakes, without facts looking on the surface of an turret and comeing to conclusions and forceing us to defend without facts was your mistake. That is called trolling, what else is trolling when you talk out of your hat without facts and base your argument on looks and assumptions?

I meant, You waste time on things that do not need to be discussed if you took time to read before entering a discussion. Thats waste of time on the wrong direction.



What? Only because You meet some morons You make a general conclusion about our nation? I never said anything bad about India or it's people, or any other nation, same with many other Poles, learn history of my country, Poland was one of the most tolerant countries in Europe long before India was conquered by British Empire.

EOT.
British never came here to conquer it happened by mistake when the Indian empire feel and there was a power vacuum, Britian is an isolated Island which does not need to care to much for invasions like India, Also Before Poland converted to Christianity or was conquered by USSR, India 2300yrs back was one of the first secular nations in the world which tolerated all ideas and religion long before anyone in europe thought of secularism.

This is OT, i will learn more about Poland. I think it is a nice country and i hope it remains tolerant. Good luck, its too late here.
 
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militarysta

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or was conquered by USSR,
OT:
It was much much worse - my nation were murdered en masse just like the Jews during the Second World War, but this is not mentioned in history. Although the fact that Sowiet and Germans killed 80 percent of people with higher education may explain the number of idiots in my country now.
 

Godless-Kafir

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OT:
It was much much worse - my nation were murdered en masse just like the Jews during the Second World War, but this is not mentioned in history. Although the fact that Sowiet and Germans killed 80 percent of people with higher education may explain the number of idiots in my country now.
I think the problem is there is no large minority in Poland and its mostly white nation so it happens in countries without minorities. People tend to get self-riotous and raciest when they dont know about others cultures, its the same with China now. That is why Western europe allows other cultures so their people dont grow in isolation and become raceists.
 

Damian

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Yes, now what were the different rods fired at the Arjun in live fire tests? Thats the point right? What you guys have is exterior shaping which tells you the Arjun is the Leo2A4 or has significant issues etc. What the Indian side has is extensive live fire testing and other tests per IA requirement which show the tank to be proof against its threats.
Ok but if we know what ammunition was used in armor trails, then we will be sure that indeed it was used against state of the art ammunition.

Thats the whole point, if Arjun would withstand hit from DM53 fired from L55 at range below 1500m then ok, I will agree that it is superior in protection to T-90S.

Again, what is publicly known about Arjun ammunition storage, IA requirements or design features? Go on.
We know that ammunition storage is based on that used in Leopard 2, this means turret magazine with blow out panel and hull magazine. We know that side turret armor is thin, made from RHA plates covered by storage boxes.

Again, so there is no public info about Arjun turret side depth, right? This is the exact reason I brought up live fire tests.
But we seen turret side armor thickness on photos.

I did say however, it was better than the T-90 in Indian service, which is as of date, the series produced T-90 variant. I stand by that because that is what Indian evaluation has shown of both designs.
Ah, in Indian service, this can be a key word, soe there is high probability that Russian Army T-90A is better armored than both Indian T-90S with welded turret and Arjun Mk1. Right?

But as a weapons platform, its reasonably rugged, well protected and optimized for Indian desert conditions which these tanks are not.
What makes You think that these tanks are not suited for desert conditions? M1 series were tested both in arctic, desert conditions, other NATO MBT's also, and were used in combat in these desert conditions with great succes, even without AC systems!

The US is an empire and can afford to keep its IP as it funds its own industries liberally. Others collaborate, eg South Africa with Israel.
What means others? South Africa is not big tank developing country, why Germany or France will wish to share their armor technology? They also can use export armor packages.
 

Damian

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This is OT but my last argument in that OT.

I think the problem is there is no large minority in Poland and its mostly white nation so it happens in countries without minorities. People tend to get self-riotous and raciest when they dont know about others cultures, its the same with China now. That is why Western europe allows other cultures so their people dont grow in isolation and become raceists.
We Europeans as Americans are tolerant, unfortunetly because of huge imigration from Africa and Middle East, currently we have huge ethnic problems, these are good seen in France, UK and Germany, recently also in Italy.

This problems are because imigrant don't wan't to integrate with our society or culture, they demand more rights even if they don't need them etc.

This is also of stupid imigrant policy made by stupid european goverments.

This post I wish will not be threated as rascist, it only shows what problems europe have because of too big wave of immigrants from poor 3rd world countries.

And in Poland we actually have big minorities, we have Jews, we have our own big Muslims minority, Tatars descendants, but they are much different from muslims from middle east or africa.

EOT.
 

Godless-Kafir

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This is OT but my last argument in that OT.



We Europeans as Americans are tolerant, unfortunetly because of huge imigration from Africa and Middle East, currently we have huge ethnic problems, these are good seen in France, UK and Germany, recently also in Italy.

This problems are because imigrant don't wan't to integrate with our society or culture, they demand more rights even if they don't need them etc.

This is also of stupid imigrant policy made by stupid european goverments.

This post I wish will not be threated as rascist, it only shows what problems europe have because of too big wave of immigrants from poor 3rd world countries.

And in Poland we actually have big minorities, we have Jews, we have our own big Muslims minority, Tatars descendants, but they are much different from muslims from middle east or africa.

EOT.
Poland does not have any big minorities, that is the problem. Also 97% are polish and the rest are German or Russian, No one goes to live in Poland and actually pols themselves are leaving their country to go and work else where, it is not as developed or rich as western europe or USA.
 
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Damian

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It is not entire true, to understand You should come here and live several years.

Ok End Off Topic please.

I have several questions.

As we know T-90S don't have Thermal sight for TC in his cupola nor main sight extension, do Arjun have GPSE and thermal sight in TC independent viewer? Or at least NV in his independent viewer? This will change in Arjun Mk2?

Second question, I seen some soert of exhaust pipe on Arjun Mk1 turret bustle, this means that APU is placed on turret bustle?

Are there plans to use UAAPU in Arjun Mk2?

Are there any serious plans to slightly redesign Arjun Mk2 turret? This means change placement of main sight from turret front armor "window" to turret roof "chimney" completely behind armor? Or enlarge turret bustle ammo magazine so in hull there be less or no ammunition stored at all (this means also redesigning hull)?
 

Damian

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I found on one Russian forum interesting photos, T-90A and some other vehicles after ballistic tests.




The description under first photographs said that this tank was first hit by ammunition form other tank, then blown up by use of some explosive materials and in the end burned by igniting fire (fuel fire?).
 

militarysta

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Again, what is publicly known about Arjun ammunition storage, IA requirements or design features? Go on.
Again, so there is no public info about Arjun turret side depth, right? This is the exact reason I brought up live fire tests.
Well, we can say somethink, looking at tahat photos:




In this images we see:

- placement hull amo store (like in Leopard-2 it's the same idea)
- thickness of hull front armour (!)




In this images we see:

- how therribly big is mantle in Ajrun (114cm +)
- the manner of its fixing weakens the armor front turret -like in T-72M1...




Uploaded with ImageShack.us

In this images we see:

- you can see exactly where is begins INSIDE turret side armour. You can see exatcly how tick is that part of Ajrun. You have alle hear.
- armour gap for main sight .



etc, etc.

This Ajrun photos shows many facts about this tank.
 

Damian

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Next question, why there is covered opening in Arjun hull glacis plate? The only similiar thing I seen only in Leopard 2, it is some sort of inspection hatch?
 

p2prada

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You are pretty far from the mark because I have spoonfed you before and I saw what the result was. And no, I dont care a fig about the Polish guys, if like you, they cannot be bothered about keeping a civil tongue in their head. The teenager comment seems to have hit pretty close to the mark.
No you haven't. The only thing I learnt from you is that the Mk2 shell is from 1995 or else there are enough reasons to indicate you are the one who does not understand even trivial things.

About the armor & ammo - sorry, no spoonfeeding - there is ample evidence out there but I am not going to do *your job* for you by collecting it. The Arjun is intended for war. Not for your "extraordinary caliber" to figure out.
Spoonfeeding. Hardly. The fact is you don't have this information. The best information you have gotten is how a regular journolist gets info on weapons development. Stand around for hours in the sun, once doors open you flood inside the hangar, go over to the first stall you have an interest in, catch the first stall guy you see and ask "Sir, which is better - T-90 or Arjun?" That poor bloke will talk about how the Arjun is the king of tanks and voila that's the answer you give on a forum. No data to back it up, only a running mouth.

I am not a journo and neither am I dependent on military research for my livelihood. So, it is not a job for me. It is you who claims an extraordinary calibre of finding info by talking to developers. And no the Stall guys are almost never the actual developers of the platform. Lastly, they will never tell you the reason on why the Arjun is superior. Pictures are our best bet. The reason you say the Abrams is better followed by the Leo, CR and the rest is simply because independent groups from Europe study those benchmarks and rank them by studying open source information. It's not like you have created benchmarks of your own.

What I will say is this. And this has been confirmed by multiple sources, both user and developer.

- The Arjun is more heavily armored and protected than the T-90.
This is your conclusion. Only data can prove it and we don't have it.

- The Army's then DGMF made a public deposition that this should not matter, because the Arjun is a heavy MBT and the T-90 is a medium MBT. Being in different classes, they contended it was unfair to the T-90 to be expected to be as heavily armored as the Arjun. The Parliamentary Committee accepted this, but also pointed out that as the Arjun was developed to the Armys GSQR as a tank killer, which the Army accepted.
As a typical journolist you have misquoted the Generals words. The fact that the talk of Heavy and Medium MBT was never related to the armour. The T-90 as it stands has superior armour to the older Leos, the Merkava Mk3, M1A1 and the Challenger 1 even though all the other tanks are heavy tanks. Size has never been an indication of armour protection. This is one of the biggest misconceptions in India when it comes to comparing the T-90 to other heavy MBTs.

- In the last armor trials, the Arjun (and its armor arrays) were fired against using a variety of state of the art ammunition, at a variety of service ranges (including unrealistic ones) to overmatch even predicted threats. The Arjun cleared every one. These results were what led to statement 1, that for tank to tank warfare, the Arjun is more heavily armored than the T-90.
The IMI Mk1 and Mk2 weapons are not state of the art. The Russian supplied AMK-38 and AMK-39 are also not state of the art. The indigenous AMK-40A shells which were scrapped for faulty layering of propellents was a more powerful shell compared to all the 4 shells mentioned above. It had a 7.85Kg projectile with a 2 Kg Sabot.

The first batch of AMK-40A shells which were scrapped was DRDO's fault and not Russia's as you are trying to potray it. Take any shell from any country, if you do not layer it properly the shell will freeze on leakage. It is a very simple fact. The very fact that the same propellent was used to make a fresh batch of AMK-40A shells is proof that the Russian propellent was as good as any.

New requirements were placed as far back as in October, 2010 for newer shells which had the same penetrator designation as the Russian 3BM42 and also the indigenous AMK-40A shell with the Romanian CL3254M designation which is a modified IMI Mk1 shell. They are as follows;

http://www.ciidefence.com/pdf/RFI/RFI-Procurement-FSAPDS-AMN.pdf
Read page 3 and 7 for specs of both shells.

But it suffices to say none of these shells will dent the Pakistani T-80UD and neither will it a T-90.

Guess what the 3BM42M is a superior shell to all the 4 mentioned. It is highly possible we may not have negotiated for it properly or the shell manufacturing may have seen some problems.
 

Damian

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The reason you say the Abrams is better followed by the Leo, CR and the rest is simply because independent groups from Europe study those benchmarks and rank them by studying open source information. It's not like you have created benchmarks of your own.
I would be very carefull with European study groups, they are also not without a fault.

In fact all 4 best NATO tanks are comparabale to each other in general view, but the biggest differences in armor protection is in details, like weak zones, sights placement etc.

The T-90 as it stands has superior armour to the older Leos, the Merkava Mk3, M1A1 and the Challenger 1 even though all the other tanks are heavy tanks.
T-90A yes, is better armored than most older Leo2's and M1 series, is better armored than all Challenger 1 subvariants. Merkava Mk3 is mystery here. The old T-90 is just T-72B with upgrades.

Size has never been an indication of armour protection. This is one of the biggest misconceptions in India when it comes to comparing the T-90 to other heavy MBTs.
It is true, much more important is armor thickness, composition, how armor is angled etc.

The IMI Mk1 and Mk2 weapons are not state of the art. The Russian supplied AMK-38 and AMK-39 are also not state of the art. The indigenous AMK-40A shells which were scrapped for faulty layering of propellents was a more powerful shell compared to all the 4 shells mentioned above. It had a 7.85Kg projectile with a 2 Kg Sabot.

The first batch of AMK-40A shells which were scrapped was DRDO's fault and not Russia's as you are trying to potray it. Take any shell from any country, if you do not layer it properly the shell will freeze on leakage. It is a very simple fact. The very fact that the same propellent was used to make a fresh batch of AMK-40A shells is proof that the Russian propellent was as good as any.

New requirements were placed as far back as in October, 2010 for newer shells which had the same penetrator designation as the Russian 3BM42 and also the indigenous AMK-40A shell with the Romanian CL3254M designation which is a modified IMI Mk1 shell. They are as follows;

http://www.ciidefence.com/pdf/RFI/RF...FSAPDS-AMN.pdf
Read page 3 and 7 for specs of both shells.

But it suffices to say none of these shells will dent the Pakistani T-80UD and neither will it a T-90.

Guess what the 3BM42M is a superior shell to all the 4 mentioned. It is highly possible we may not have negotiated for it properly or the shell manufacturing may have seen some problems.
Interesting informations. Thanks!
 
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p2prada

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I wonder if our current batch of T-90s can be upgraded to T-90AM standard or would it need a major change in turret design. The hull and turret internal estate can be changed during production though.

Maybe a T-90SM.
 

sayareakd

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that RCWS is good, we need one for Arjun tanks too, hope it comes quick, plus we have option of Wave 200 from Israel.
 

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