INS Arihant (ATV) News and Discussion -2

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hnair
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Re: INS Arihant (ATV) News and Discussion -2

Post by hnair »

SagarAg wrote:I think if scientists shout from roof top that reactor is indigenous some people will still look at it with disbelief. :roll:
bah! What do you know about our scientists - they are masquerading a chopped off Mig21 as LCA :P
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Re: INS Arihant (ATV) News and Discussion -2

Post by Austin »

SagarAg wrote:I think if scientists shout from roof top that reactor is indigenous some people will still look at it with disbelief. :roll:
Indian Defence Policy has been to maintain secrecy on ATVP since its inception and Russian assistance provided has been kept secret ,till MMS reveled during Arihants official ceremony that more than 200 Russian scientist were involved in this project , That ATV uses Russian reactor was first confirmend by Bharat Karnad book on Indian Nuclear Policy where he mentioned that 2 N Reactor were imported from Russia. Adm Prakash statement confirms it what was known for a long time.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Yagnasri »

Is not the same design run on land for a long time before attemped inside Arihanth? If we simply improted it from Russia why run it on land. While it is quite possible Russians worked in India and significant Russian inputs are surly there I do think the reactor is made in India and not an imported one.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Katare »

Austin,

Russian design, doesn't mean it's russian reactor. Sine they started design 30 years back and only had experience with Russian reactors they must have modeled it after Chakra reactor.

Consultancy is very common in large projects for many reasons but I do not think it's Russian reactor. Although mother Russia did provide paid help that other's probably won't.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Kanson »

Austin wrote:
SagarAg wrote:I think if scientists shout from roof top that reactor is indigenous some people will still look at it with disbelief. :roll:
Indian Defence Policy has been to maintain secrecy on ATVP since its inception and Russian assistance provided has been kept secret ,till MMS reveled during Arihants official ceremony that more than 200 Russian scientist were involved in this project , That ATV uses Russian reactor was first confirmend by Bharat Karnad book on Indian Nuclear Policy where he mentioned that 2 N Reactor were imported from Russia. Adm Prakash statement confirms it what was known for a long time.
But don't you think, after the MMS revelation of Russian involvement, as both Anil Kakodkar and Srikumar Banerjee confirmed that as Indian reactor with Russian assistance, this speculation should be put to rest, unless you have new info?
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Re: INS Arihant (ATV) News and Discussion -2

Post by Austin »

Much like a new aircraft needs proven engine to flight test its aerodynamics , new submarine design needs proven reactor to validate it hydrodynamic qualilty and other test points without juggling with too many new unproven technology.

Arun Prakash has explicitly mentioned the reactor is a Soviet Design 90MW reactor since as he mentions in 2005 BARC estimated it would take 10-15 years to design a new naval reactor ( Prakash BTW was CNS and Chairman Chief of staff between 2004-2006 ), the only proven reactor of 90MW that is known to work in many SSBN design are the VM-4 pressure water reactors twin of which power Delta class SSBN each rated at 90MW.

Likely we obtained full technology or part of it to make the naval reactor or as Bharat Karnad who was member of NSAB reveled in his book we imported two reactor outright for ATV program. Probably both taking place since these reactors also needs to be tested on ground for crew training purpose.

That leaves the ATV design needs to be proven that would only happen when it goes for Sea Trials and Deep Sea ones which itself is a daunting task frought with its own risk followed by firing of couple of SLBM submerged, Arun Prakash infact has been very candid and has reveled many facts of ATV program in his write up.
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Re: INS Arihant (ATV) News and Discussion -2

Post by ramana »

Austin you are reading more than required in the Adm statement about Soviet era design. Its the design and you imply its the whole reactor.

Anyway what do you get by this polemic?
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Re: INS Arihant (ATV) News and Discussion -2

Post by SagarAg »

ramana wrote:Anyway what do you get by this polemic?
To validate the disbelief that Indian scientists can actually design and develop a nuclear reactor for a submarine. Zimble onlee! :mrgreen:
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Re: INS Arihant (ATV) News and Discussion -2

Post by Austin »

ramana wrote:Austin you are reading more than required in the Adm statement about Soviet era design. Its the design and you imply its the whole reactor.

Anyway what do you get by this polemic?
Ramana , you must be knowing the truth better than any one out here :)

but last word from me on this topic :wink:
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Re: INS Arihant (ATV) News and Discussion -2

Post by samverma »

Gurus...any news on the next two Arihants...reading the previous pages i understood that 2 more were under construction(?) with L&T having made/is completing the outer structures?
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Re: INS Arihant (ATV) News and Discussion -2

Post by Sagar G »

Some parts from an old interview of Anil Kakodkar (August 16, 2009)

INS Arihant is an Indian design: Anil Kakodkar
‘It has been done by Indians and it is something which is not available for the asking, whatever money you want to pay.’

This nuclear submarine for which the reactor has been made by your team, how significant an achievement is that?

Well, we have a compact propulsion reactor which has been tested at Kalpakkam for the last three years and this is an exact prototype of what has been installed in INS Arihant which was launched soon. So it’s a major achievement of new reactor technology which incidentally will also be required for the larger power programme because this is based on pressurised water reactors (PWR). So this signifies both. We have a compact power plant for propulsion but we also have PWR technology which can be used for electricity production through indigenous route in future.

So why should Indians be proud of this?

Well, one has to be proud because it has been done here, it has been done by Indians and this is something which is not available for the asking, whatever money you want to pay. There is no way to acquire that unless you do it yourself and not many countries have such a capability. So it is certainly a matter to be proud of.

So how different is a reactor in a nuclear submarine as compared to, say, a reactor you see at Narora or Kakrapar or by way of scale?

There are several very distinguishing features and very important challenges. First, it’s a moving system and particularly it’s a ship so we have to have a reactor which would work in spite of the different kinds of rolling, pitching motions. It could also be subjected to attacks supposing there’s a depth charge near by. It should be able to withstand the kind of acceleration loads that will be seen on the components. So this is one important challenge. We do design reactors for withstanding earthquakes. This is one, it has to be able to withstand motions and forces which are of a much larger magnitude. Then, the compactness is another feature within the space that you can occupy for a given power. A submarine reactor is extremely small compared to the corresponding case in a power station. Third is in terms of the energy density — again it arises out of the compactness but to be able to realise that, you should be able to exchange a large amount of power in a small volume in a small surface area. There are also requirements of the rapid response. In a land based reactor, we can live with a somewhat slower response in terms of change of power in a given time. But this being a propulsion system, particularly for the kind the navy people will be required to work on, you require a reactor which can have a very fast response. So that means the nuclear fuel has to be of that kind, the reactor systems have to be of that kind. So there are several such challenges which have been successfully overcome, quite apart from the fact that this is a PWR technology and that itself has its own challenges.

But people say or have constantly said that India doesn’t have the expertise in enrichment. So does this criticality of the ‘PRP,’ as it is called, lay to rest the controversy that India does not have the full capability of enrichment?

Yes, we have an enrichment plant at Mysore, the Rare Materials Plant and that plant has sufficient capacity to meet the requirements of this programme. This reactor is now running for three years. So obviously, we had got the fuel earlier than that.

Was this completely made in India?

Yes.

Designed, fabricated and executed in India?

Yes, that’s right, by Indian industries.

And by Indian scientists?

Yes.

At Vizag, the Prime Minister went out of the way and thanked the Russians, and the Russian Ambassador was also present. What was the role of the Russians? India had leased a Russian nuclear submarine?

I would also like to thank our Russian colleagues. They have played a very important role as consultants, they have a lot of experience in this, so their consultancy has been of great help. I think we should acknowledge that.

Consultancy for what?

For various things, as you go along when you are doing things for the first time — with a consultant by your side, you can do it more confidently and these are difficult time-consuming challenges. So you have to do this without too much of iterative steps and consultancy helped in that.

So this is not a Russian design?

It is an Indian design.

Indian design, made in India, by Indians?

Yes, that’s right.
Regarding the nooke reactor now whom shall we believe the Ex Navy Chief or the Atomic Scientist who has actually worked on creating the reactor ??? I leave it on the common sense of the readers.
Austin wrote:The entire command control system inside it comes from Russia .......its really a project of strategic nature that no one will ever talk in depth.
:rotfl: :rotfl:
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Re: INS Arihant (ATV) News and Discussion -2

Post by nachiket »

Austin wrote:The entire command control system inside it comes from Russia .......its really a project of strategic nature that no one will ever talk in depth.
If no one will ever talk about it, how are you so confident about where the C&C system comes from?
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Re: INS Arihant (ATV) News and Discussion -2

Post by Philip »

What have we mastered in sub tech? I say that because every time I hear the clarion cry that we must design the next conventional AIP sub ourselves I cringe.Even with the IN at the helm of naval design,the best success of any of our three services at indigenisation,we are "babes in thwe woods" when it comes to sub design.Let's tale a look at what some of the key components are.

Hull:This is where we perhaps have made the most progress,with L&T's efforts for the ATV.AS far as hull welding tech is concerned,we lost the experience gained from the U-209s,had to re-learn the whole thing with the Scorpene,where not one has been launched as yet.Production of high strength steel is another Q mark,as modern subs have to be able to dive upto 500m+ at least.Titanium hulls and welding? The Russians are past masters at this art!

Anechoic coatings/claddings:The ATV is supposed to have an Indian designed/developed cladding.Little else is known whether we had any "consultants" to help us with it.These are usually tiles made of rubber and composites,a v.highly guarded secret.

Sonars: We have had some success here with Indian hull-mounted sonars allegedly being used on the ATV and also retrofitted to some upgraded Kilos.Difficult to ascertain its success,barring the fact that if it is successful,we are using them more and more.No idea if our sonar is cylndrical (most probably) or spherical.No idea if sub towed arrays have been developed.Unlikely.We will have to wait for the CAG's report reg. the sonar's performance.There was one report some time ago not to flattering about UW sonars.This is an area where it would be almost impossible to discover comparative performance with other sonars.

UW Communication systems:Critical for subs to receive their orders while safe under water.The holy grail of sub tech.The US had had some success with blue-green lasers using its aircraft and sats.No idea where we are in the tech curve.Have we an ELF system operational? No idea.It will be essential for communicating with our SSBNs.whether we have also developed our own sub commns. buoys,which are relled out to float on the surface and relled in again to receive commns.

Scopes and sensors: We have not yet developed an NHPP (non-hull penetrating 'scope) and the sensors that go with the entire sub's "eyes and ears".US subs have got so sophisticated with sensor integration,that a commander can operate from anywhere on the sub from a console/monitor,including his cabin.There are a whole range of UW sub sensors that can detect radioactivity,wake,etc.,which are highly classiified.Our Chakra does not have the usual hull sensors found on Akula-2 Russian subs.Here we will have to develop our own non-traditional sensors ourselves.

Command and Control/Combat Systems: The bane of subs.many western subs like the Collins class have spent billions trying to rectify their sub faults including combat systems issues.Scorpene's have SUBTICS.Have we developed our own system of state of art quality? I doubt it.

Engines/Powerplant: No doubt here.Though we state that the ATV's plant is Indian,it would not have been poss. without Russian help.The task is now to develop a more powerful N-plant for larger SSBNs following up from the ATV-1 design.As for conventional sub with AIP,we have yet to develop our own systems,though work is on with a prototype.I include automation here.Modern western subs have just a few dozen crew staffing their subs,halving the number required fro CW designs.

Weapon systems.We've just developed one heavyweight torpedo and one lightweight example.The speed,range and endurance figures given at our def-expos indicate that there is much improvement needed.As for missiles,barring the K-15/5 and UW Brahmos on the anvil,tube launched missiles have yet to be developed.

Decoys:We have developed an acoustic anti-torpedo system,which launches cylindrical decoys from a compact launcher which can carry about 16-20 decoys.However,hard kill systems have yet to be developed.

Oops! I almost forgot a most vital component-batteries! We did make great strides a decade+ ago in developing our own,but cutting edge battery tech has progressed a lot.The Russians claim to have developed a new battery that obviates the need for a separate AIP system.

The great challenge in sub tech is to miniaturise everything.In fact,diesel subs are more difficult to design and build than larger N-boats where the more powerful N-reactors can power a larger hull and extra systems.We still are in the JV stage .What the In should've done a long time ago was to have developed mini/midget subs first before having ambitions to go it alone for any larger conventional AIP sub.Why have we sent out an RFP for such subs? Look at the Iranians.They are decades behind us and used to get their submariners trained by the IN.We helped with their Kilos too.Denied sub tech from the west,they have developed their own mini-subs and are building them in large numbers,ideal for patrolling the Straits of Hormuz.The mini/midget sub requirement is one which should have been designed at home a few years ago.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Kartik »

Ankit Desai wrote:Mehta Sir that what I said
Ankit Desai wrote:....Arihant's haul at its' facility at Hajira....
. I didn't say whole sub construction at Hajira. :) .

I was puzzled by mentioned of Vadodara as it has nothing to do with sea or navy. It is interesting if Vadodara has such facility but sea is far from it while Surat has history and presence of L&T & Essar steel and their contribution toward Arihant.
You do not need a dock to construct the hull of the submarine. It can be done entirely on dry land where the different sections are constructed. L&T has much more operations in Vadodara than in Surat.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Ankit Desai »

Kartik wrote:You do not need a dock to construct the hull of the submarine. It can be done entirely on dry land where the different sections are constructed. L&T has much more operations in Vadodara than in Surat.
Are you saying that Hajir plant is so full that they considered going to Vadodara instead of Hajira which already has expertise and experience to construct the one or Hajira plant could not deliver desired quality product ? If Vadodara has much more operation and capable enough than why did they go to Hajira first place ? Why would they go other place now?

It is DDM to me.

-Ankit
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Re: INS Arihant (ATV) News and Discussion -2

Post by Kartik »

Ankit Desai wrote:
Kartik wrote:You do not need a dock to construct the hull of the submarine. It can be done entirely on dry land where the different sections are constructed. L&T has much more operations in Vadodara than in Surat.
Are you saying that Hajir plant is so full that they considered going to Vadodara instead of Hajira which already has expertise and experience to construct the one or Hajira plant could not deliver desired quality product ? If Vadodara has much more operation and capable enough than why did they go to Hajira first place ? Why would they go other place now?

It is DDM to me.

-Ankit
your claim was that Vadodara is not near the sea and has no dock, so it cannot assemble the Arihant's hull (not haul as you put it). That claim is wrong, since putting together the sections, the welding and the piping does not require a dock, nor even a dry dock. This isn' the first time that we're hearing that L&T's Vadodara unit is the one that is assembling Arihant class vessel's hulls either. It may well be true, and you have no better source of information to call it wrong, certainly not on the basis that Vadodara does not have a port. As to the operational capability of the Vadodara unit, I'm from Vadodara and have some idea on exactly how large L&T's facilities in Vadodara are, and what scale of engineering resources they have at their disposal there.

As for Surat, they'd assemble the hull there if it involved cutting diamonds, not heavy engineering work. :P
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Re: INS Arihant (ATV) News and Discussion -2

Post by Ankit Desai »

Kartik wrote:your claim was that Vadodara is not near the sea and has no dock, so it cannot assemble the Arihant's hull (not haul as you put it). ......
Thanks. Got it. Can you please give some source about Vadodara's involvement in Arihant or any sub. I am from Surat too.

-Ankit
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Re: INS Arihant (ATV) News and Discussion -2

Post by tushar_m »

a newbie question

what is the refueling requirement of 90MW PWR reactor in Arihant & his sister ships

the USN have subs which don't need to be refueled for 30 years (through out life) & new russian SSN & SSBN have some similar feature

how many times we need to refuel arihant considering its reactor is based on reactor on older russian subs

also do anyone know about refueling needs of typhoon delta & akula class so that we can compare it with our own..
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Re: INS Arihant (ATV) News and Discussion -2

Post by Singha »

for older reactors its around 10 yrs iirc...not sure if duty cycle plays a role but in general a reactor is always critical even if the ship is stationary.
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Re: INS Arihant (ATV) News and Discussion -2

Post by shiv »

Did this news appear anywhere?
http://www.aviationweek.com/Article.asp ... 56.xml&p=2
Defense Minister A.K. Antony told India’s parliament last May that Arihant might enter service in the first half of 2013.

This capability would complete India’s nuclear triad, making the country capable of launching missiles from air, land and sea. The triad’s other elements are the Agni missile with a range up to 3,106 mi., and the Mirage-2000, Su-30MKI and MiG-29 fighters.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Philip »

The BMos was tested from an "underwater platform",which could mean either a submersible barge,or a sub itself.Unlikely that it was from the ATV as it would make more sense to test the K-15 itself.BMos would perhaps require a sleeve for launch too.If AKA has said that the sub might be commissioned into active service within a few months,then perhaps some missile testing may have already been done in secret from the sub.It has already been said that the final tests of the missile were successful,presumably from an identical designed launcher mimicking actual firing of the missile from optimum launch depth.so there is nothing to stop the sub from being armed with them,provided that the sub has passed all its sea trials.
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Re: INS Arihant (ATV) News and Discussion -2

Post by krishna_krishna »

Deleted
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Re: INS Arihant (ATV) News and Discussion -2

Post by nikhil_p »

IMO The VLS tube of the BrahMos/ Nirbhay will be smaller in dia compared to the K15/K5. So you will be able to fit a plug of 4 of these in location compared to lets say 2 of the K15/5. Can a sub carry a mix of these in a 'Plug' based system where we have the ability to mix and match. For example the Arihant is supposed to have a 4 missile plug of the K5/15 class. We could probably fit in two K5/K15 and four Nirbhay/Brahmos class of missiles in toto. This will give it decent capability. In case it is a hunter killer pack of subs (2 Arihant Class + 2 Project75) then the Arihant (s) take over the Ballistic Plugs with the P75's taking on the Nirbhay Plugs!!!

I am salivating :)
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Re: INS Arihant (ATV) News and Discussion -2

Post by nikhil_p »

Ankit Desai wrote:
Kartik wrote:You do not need a dock to construct the hull of the submarine. It can be done entirely on dry land where the different sections are constructed. L&T has much more operations in Vadodara than in Surat.
Are you saying that Hajir plant is so full that they considered going to Vadodara instead of Hajira which already has expertise and experience to construct the one or Hajira plant could not deliver desired quality product ? If Vadodara has much more operation and capable enough than why did they go to Hajira first place ? Why would they go other place now?

It is DDM to me.

-Ankit
Kartik has already answered you but here is one more POV.

The Arihant was a 'hush-hush' project. Now if you are building a large cylindrical section in a port like Hajira the first thing that would come to mind is - HEY we are building a SUB (mersible) ship! :)...But the L&T Vadodra facility also builds 'cylinder' shaped large scale projects for refineries, boilers etc. When such a cylinder is being transferred out of this facility to a port like VKpatnam, a casual observer will think it is a refinery cylinder/ boiler getting shipped to Singapore, china, australia etc and is NOT a sub! :)

It is a case of 'hiding things in plain sight'.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Ganesh_S »

An open literature analysis on Indian SSN project.
Not sure if this has been posted before.
http://www.fas.org/nuke/guide/india/sub/ssn/part01.htm
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Re: INS Arihant (ATV) News and Discussion -2

Post by SaiK »

yes, and many times. it is old!
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Re: INS Arihant (ATV) News and Discussion -2

Post by Shalav »

Written in 1996. Some of the analysis is flawed, some are no longer valid, and some figments of the authors complete misunderstanding of the Indian strategic space.

In short the usual FAS rubbish. Read it to pick up a few historical tidbits.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Singha »

all indian strategic weapon projects are for prestige only. india need nothing more than sikularism and handing over cashmere to pakistan to guarantee peace and tranquility and get a leg up on its big power ambitions.
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Re: INS Arihant (ATV) News and Discussion -2

Post by SaiK »

blame it on the vajpayee gov for taking us nuclear, as we have no idea if we ever use it. even a below 50 IQ would tell India will never use such weapons, even if attacked by pakistan or china. all these posture boys behind NFU must realize, why would the first striker leave you with any option to second strike, as it is well known about our doctrine, what it is. either we may strike after heavy deliberation when half a billion are seeking help, and our babooze will have high chai and biskoot to decide options to preven nuke holocaust.. as it is okay to kill ourselves as dharmic, and not okay to kill enemies as it is adharmic. from so many terror invasion on the land from pakistan, we have let it go.. no nuke bum can shake our gullible model.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Philip »

Can't be helped.If we did not possess N-weapons,Pak would've got it long ago as they had an agreement with China even before the "Buddha smiled"! It has been Chinese strategy to assist in N-proliferation with its closest allies,"all weather friends",like NoKo and Pak,to undermine the US's massive advantage.In the Middle east,the Saudis have the bomb-by proxy Pak,with Chinese ballistic missiles to carry the warheads when required.This is why the Iranians are attempting to secure their insurance against the Saudi-Pak alliance.The west and Israel are desperately trying to stop the Iranians because of the risk to Israel.Israel can live with the Saudi bomb because of the military relationship it has with the US,and we do not know what secret agreements exist between them and perhaps the Israelis too.

The hard facts are that only those nations that have WMDs get respect.had Saddam actually had them,the west would not have dared to invade.They knew all along that he had nothing and made up the lie to justify the invasion.Watch the BBC's Panorama programme this Sunday evening for the details.

Now,from reports,we are going to possess 3 SSBNs and upto 6 SSNs/SSGNs around 2020+It is possible that the Arihant will revert tons with upto 8 silos have been commissioned,each missile carrying a min. of 3 MIRVs.That would give us 72 warheads,a min. second strike sea-based capability against China and Pak.The news that China has signed an agreement for 24 SU-35s and 4 Amur subs ,plus a number of IL-476s,isn't good at all.had we been more alert,we could've stymied some of the deals,by ordering some of the same,to meet our own requirements.
tushar_m

Re: INS Arihant (ATV) News and Discussion -2

Post by tushar_m »

why do world fear the power of USA ???......

the only reason is that US forces & Politicians are not afraid of protecting there interest not only in there soil but far away also.

middle easy have seen many wars all of them including US forces & in turn this shows that they are capable & powerful.

if India hand over Kashmir then we are not even capable of protecting our own soil , then how can we categories our-self as super power or powerful for a say ???...

also there may be people who say going nuclear was a bad choice & ok we can discuss on that.

if we were not a nuclear power could we have current power or stand that we have today.???

can we stand china or even nuclear powered Pakistan ???

do your think India would be categorized as Asian giant just by economy or it need military power???

name one country which is termed as powerful or a giant which do not have nuclear weapons.???

so please do not dought that we should not have tested nuclear weapon than this or that would have happened ...
tushar_m

Re: INS Arihant (ATV) News and Discussion -2

Post by tushar_m »

Philip wrote:Can't be helped.If we did not possess N-weapons,Pak would've got it long ago as they had an agreement with China even before the "Buddha smiled"! It has been Chinese strategy to assist in N-proliferation with its closest allies,"all weather friends",like NoKo and Pak,to undermine the US's massive advantage.In the Middle east,the Saudis have the bomb-by proxy Pak,with Chinese ballistic missiles to carry the warheads when required.This is why the Iranians are attempting to secure their insurance against the Saudi-Pak alliance.The west and Israel are desperately trying to stop the Iranians because of the risk to Israel.Israel can live with the Saudi bomb because of the military relationship it has with the US,and we do not know what secret agreements exist between them and perhaps the Israelis too.

The hard facts are that only those nations that have WMDs get respect.had Saddam actually had them,the west would not have dared to invade.They knew all along that he had nothing and made up the lie to justify the invasion.Watch the BBC's Panorama programme this Sunday evening for the details.
+1
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Re: INS Arihant (ATV) News and Discussion -2

Post by Siddhu »

Newbee Question: How many ATV are being developed? How many are completed and are in testing phase?There might be a possiblity that multiple SSNBs are being tested on the name of one?
tushar_m

Re: INS Arihant (ATV) News and Discussion -2

Post by tushar_m »

Siddhu wrote:Newbee Question: How many ATV are being developed? How many are completed and are in testing phase?There might be a possiblity that multiple SSNBs are being tested on the name of one?

total 4 are to be made(for now)

one under sea trial (s2), others under construction( s3,s4,s5)
Philip
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Re: INS Arihant (ATV) News and Discussion -2

Post by Philip »

The report on the Rambili base under construction says that there will be at least 3 more follow on ATVs-of larger size hinted in other earlier reports.If there is also a sub-launched version of Agni-6,yet to be tested,it would be the icing on the cake and the cherry atop the icing!

Once that goal is accomplished,we will have the capability of a second strike against ANY enemy on the globe.It is also why in certain firang quarters,efforts to save this scandalous govt. and get it re-elected if possible are on.
subhamoy.das
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Re: INS Arihant (ATV) News and Discussion -2

Post by subhamoy.das »

I donot think that when it comes to strategic weapons, any indian govt is found wanting in fund and committment. A number of milestones have been cross since 1990. I read some where how Narashimha passed on the batton of the nuke to Vajpaee and I am sure MMS has also done his due. Because, all govt, no matter how corrupt, understands that the very existance of the India state, which is the holy miliking cow, can only be guaranteed by the strategic weapons and hence there is no compromise here.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Aditya_V »

subhamoy.das wrote: Because, all govt, no matter how corrupt, understands that the very existance of the India state, which is the holy miliking cow, can only be guaranteed by the strategic weapons and hence there is no compromise here.
OT- But people can have different ideas, take it to anther thread
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Re: INS Arihant (ATV) News and Discussion -2

Post by Vipul »

Project Varsha.
The Indian Navy is developing a new top-secret naval base for its nuclear submarines, code-named Project Varsha, and located within a radius of approximately 200 kilometers from Visakhapatnam. The new base is designed to support all 8-12 Arihant -class submarines to be built for the Indian Navy and it will include state-of-the-art nuclear engineering support facilities and extensive crew accommodation.
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Re: INS Arihant (ATV) News and Discussion -2

Post by SaiK »

Interesting, and I would want ADS on the similar lines of nuke powered.
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Re: INS Arihant (ATV) News and Discussion -2

Post by Singha »

gas turbine works fine for ADS sized vessels. I dont think we need to slow down the ADS project further by designing a new n-plant and steam propulsion machinery. the LM2500 and associated drivetrain is COTS, highly proven and already in service in IN ships. its also being used in the QE2 class and lots of DDG worldwide.

if the Arihant reactor is a little underpowered, let there be a new reactor class of higher power and more time between refuelings, culminating in a 30 yr one-refuel cycle that will last the service life of a sub. thats a good line of work to pursue.
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