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Old 13th March 2019, 14:33   #136
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Re: Submarines of the Indian Navy

Quote:
Originally Posted by am1m View Post
That's an awesome one-liner!

The only sub I've seen or been inside is INS Kursura, the one set up for display on the Visakhapatnam beach. Can't imagine how people live inside that for days or weeks. Must be very taxing physically and psychologically. I guess modern subs are better equipped but still a tough job.
Subs are so cramped for space that most of them have lesser number of bunk beds than the crew number. So the crew takes turns and use these in shifts.
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Old 15th March 2019, 04:30   #137
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Originally Posted by SPARKled View Post
Subs are so cramped for space that most of them have lesser number of bunk beds than the crew number. So the crew takes turns and use these in shifts.

Known as hot bunking!
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Old 21st March 2019, 15:25   #138
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Re: Submarines of the Indian Navy

Indian Navy to induct second Scorpene submarine by May 2019
Dateline: 21 March2019

https://www.navyrecognition.com/inde...early-may.html

Excerpts from the news item below....
Quote:
The Indian Navy is scheduled to induct its second Scorpene-class submarine, the INS Khanderi, by early May, according to a defense source. As for the third Scorpene-class submarine, the INS Karanj, it appears to be in advanced stage of trials and could also be ready this year.

“Khanderi has completed all trials and is in the final stages of acceptance. It is expected to be commissioned into the Navy by end April or early May,” the defense source said. Khanderi was launched into water in January 2017 and has since been undergoing a series of trials.

The third in the Scorpene series, ths INS Karanj, which was launched in January last year is in advanced stage of trials and could be ready for induction by year end. As for the fourth submarine, the INS Vela, it is said to be ready to be launched into waters for trials, depending on Ocean tide.

The last two submarines Vagir and Vagsheer are in advanced stages of manufacturing on the assembly line. The fifth submarine is in the final stages of being booted together. The ‘Boot Together’ is where the five separate sections are welded together to form the submarine.
INS Khanderi on sea trials. [Photo Courtesy Wikipedia]
Attached Thumbnails
Submarines of the Indian Navy-ins_khanderi_s51_during_sea_trials-1.jpg  

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Old 4th May 2019, 13:51   #139
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Re: Submarines of the Indian Navy

INS Vela, the 4th Scorpene class submarine will slide into the water on 6th May 2019

https://swarajyamag.com/insta/ins-ve...aters-on-6-may

The Scorpene building programme is well and truly on its way with 3 submarines in commission or undergoing sea trials and a 4th getting launched on 6th May. Two more are at an advanced stage of completion. A healthy sign but not enough. We need at least 12, in the next few years, more to shore up force levels as older boats decommission.

PS: A submarine is always referred to as a boat and never a ship. After all ships are what submarines sink!!
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Old 7th May 2019, 12:24   #140
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Re: Submarines of the Indian Navy

Here's a nice profile picture of the boat in question - INS Vela.


Pic Source: Twitter


Submarines of the Indian Navy-d55cbw0v4aaubp.jpg
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Old 7th May 2019, 14:42   #141
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Re: Submarines of the Indian Navy

In response to allegations in the Chinese media that the Indian Navy is "unprofessional" (because of the incident on board the INS Vikramaditya), a Western writer on Quora just wrote that an incident or two does not (un)make a country's Navy (which is quite logical). But he went on to make this comparison too - which is pertinent to this thread - it seems the Chinese SSBNs have struggled to complete a full SSBN patrol and did so only after decades of effort, whereas the Indian Navy has completed a SSBN patrol after just less than 1 year of effort after pressing a SSBN into service.

I know that the INS Arihant had an incident in 2017 following which it was docked for 10 months and it then completed a "deterrent patrol" in November 2018.

Meanwhile, it's time for me to read on what a "deterrent patrol" is!
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Old 7th May 2019, 16:30   #142
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Re: Submarines of the Indian Navy

^^^^
Well said @locusjag. The Chinese have a well co-ordinated manner of using the press as a weapon to provoke, instigate, attack, launch false claims etc. Much like Trumpistan. This uncalled for slur towards a guest is one such. It is also a reflection on their own insecurities.

As for a deterrent patrol - lie below 200 metres, quiet as a mouse, armed as a tiger and achieve your deterrence by just being there with your target in range and make sure your adversary knows you are there somewhere. What our teams at the IN, DRDO and L&T and the Atomic Energy Research have achieved is worth being proud of. Its value is against organizers states. It has almost no value against the non-state actors that are becoming more prevalent today.
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Old 7th May 2019, 16:46   #143
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Re: Submarines of the Indian Navy

Quote:
Originally Posted by locusjag View Post
...
Meanwhile, it's time for me to read on what a "deterrent patrol" is!
Adding one point what Narayanan sir has already posted on the definition, if you had been following news from the Feb 27th onwards, you would know where were they deterring again and also how much of an impact(deterrence) it has in the real world!

Just slowly driving past our neighbours and doing nothing. When something of its size and class is around, puts everyone on their toes or even higher. During some of these patrols, the presence of such a submarine is made public on purpose to send chills down the spine because the adversary cannot stop or do anything about it except to hope that the boat does not hunt any of their assets.

Last edited by AlphaKilo : 7th May 2019 at 16:53.
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Old 7th May 2019, 17:27   #144
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Re: Submarines of the Indian Navy

Off topic:


There was an article on ET.https://economictimes.indiatimes.com...w/69189822.cms


This article mentioned that the US Navy is wary about Chinese nuclear subs. I had read previously that the Chinese subs are noisy and not really reliable. Is there any truth to these observations?

Last edited by moralfibre : 7th May 2019 at 19:06. Reason: Typo
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Old 8th May 2019, 07:13   #145
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Re: Submarines of the Indian Navy

^^^^^
On the reliability factor we only have western reports to go by but given observations over two decades those reports are probably correct. On the issue of quietness it would be prudent to assume it is true. Water is such a strong medium for sound that even the Americans and British have struggled with it and their submarines are believed to be the quietest though not as quiet as a diesel-electric one . When a Chinese submarine visited Sri Lanka on a port call last year we tracked it continuosly from Malacca to Sri Lanka.

I doubt the Americans are concerned or scared about the Chinese subs. They are watching the Chinese watch them and noting down their operating method and mistakes. In submarine warfare the British and the Americans are the best trained and the most experienced.

Last edited by V.Narayan : 8th May 2019 at 07:15.
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Old 8th May 2019, 12:27   #146
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Re: Submarines of the Indian Navy

@V. Narayan Sir,

Isn't the Akula class the quitest heavy boat or are we talking about a different class of boat? In the small diesel-electric or AIP powered ones, the HDWs have always ruled ahead of the rest of the world.
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Old 9th May 2019, 22:05   #147
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Re: Submarines of the Indian Navy

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Originally Posted by AlphaKilo View Post
Isn't the Akula class the quitest heavy boat or are we talking about a different class of boat? In the small diesel-electric or AIP powered ones, the HDWs have always ruled ahead of the rest of the world.
The best thing about the silent service is that they stay silent about their silence. The Akula is said to be the quietest Russian type akin in quietness to the US Los Angles class. The US Sea Wolf and the British Astute are probably the most silent of current SSNs. Coming to DE submarines, going by literature in the public arena, the German and French designs are comparable in quietness. The Russian Kilo is very good too with its quiet coefficient helped by the anechoic tiles on its outer hull. Probably, and this is my guess only, the quietest conventional submarines are the present Japanese ones - they have all the technology and being the largest conventional boats have more space and weight for noise suppression gear. Given how tightly packed submarines are every centimetre of hull width or length is invaluable for insulation or mounting the machinery on rafts.
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Old 26th June 2019, 18:49   #148
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Re: Submarines of the Indian Navy

https://www.popularmechanics.com/mil...pan-submarine/

Slightly off topic but looks like the Japanese are already at work on their replacement for the still new Soryu class AIP boats. It was the rather reduced sail on this new 29SS design that seemed to remind me of the Akula's.

Still the fact the Japanese didn't get any orders from the Australians for the Collins class replacement programme didn't exactly signal much confidence in the Soryu though I fully imagine it is a very competent platform. I'm sort of throwing it in the ring here for discussion for our own follow up Project 75I submarine programme though personally I think we should just double down on the design we've just about come to grips building in terms of the Kalvari. Thinking of the ASM requirement for this project, the lack of VLS cells or any tubes on the Soryu I think might count against it - I'm not sure if it can launch cruise missiles from its torpedo tubes.
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Old 28th June 2019, 20:30   #149
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Re: Submarines of the Indian Navy

Work started on Indian SSN - nuclear attack boat

TL:DR - seems physical work has begun on a nuclear attack boat (similar to the INS Chakra, Akula leased from Russia) with first work involving the development of a unique alloy to meet the primary requirements for depth and speed.

Quote:
Work has started on the Rs 1 lakh crore project to produce next generation nuclear-powered submarines for the Indian Navy, with a defence public sector unit working on a special alloy for the hull. A scale model is likely to be tested soon as part of the design process.

The project to build advanced nuclear submarines designed for longrange underwater patrols and armed with conventional weapons has been granted over Rs 100 crore seed money by the government for the initial phase with officials predicting a development period that is expected to stretch beyond 2025. The plan to build six nuclear-powered attack submarines (SSNs) kicked off in 2015 when the NDA government gave a go ahead to a long-pending project for the Indian Navy. Then Navy Chief Admiral Sunil Lanba confirmed in 2017 that the project is underway.

Sources said considerable progress has been made in the design phase of the new boats with a scale model likely to be fabricated and tested shortly. These scale model tests will be critical to check development, accuracy and quick success would mean that the Directorate of Naval Design (Submarine Design Group) is on the right track.

Defence Public Sector Unit Mishra Dhatu NigamNSE 1.83 % (MIDHANI) is also working on indigenising a new material for the hull that will be designed to dive to depths much beyond the Arihant class of indigenous nuclear-powered and armed submarines. Details of the new, more powerful nuclear reactor, which is being designed for the programme are not yet known.

Sources explained that while lessons learnt from the Arihant build are being incorporated, a totally new material will be used for the SSN project given the unique requirements of the Navy for depth and speed.

The INS Arihant and Chakra – on lease from Russia - are the two nuclear-powered submarines currently in service with the Navy. The second of the Arihant class was launched in 2017 and is in advanced stage of completion. The Arihant class is armed with nuclear capable missiles and is critical to India’s second strike capability. ET first reported in March that India and Russia signed a $ 3 billion deal to lease an advanced nuclear attack submarine that will be fitted with indigenous communication systems and sensors. The deal for the submarine – being termed as Chakra III after the first two similar vessels India obtained from Russia – would involve an extensive build programme on mothballed hulls at a Russian shipyard that will be supervised by Indian Navy personnel.

Read more at:
//economictimes.indiatimes.com/articleshow/69921014.cms?utm_source%3Dtwitter_wap%26utm_medium %3Dsocial%26utm_campaign%3Dsocialsharebuttons&from =mdr&utm_source=contentofinterest&utm_medium=text& utm_campaign=cppst
If we can even produce something on our own to the standard of the Akula at first crack I think that would be considered a home run really. Remains to be seen though if the plan is far more ambitious. Personally I think it's better if we can confidently make an 75% good product first time round and iterating on it than aiming to get to the bleeding edge from first go. I can't help but remember V.Narayan's account of IN shipbuilding and it's very deliberate incremental iterative designs. The template exists. Don't try and shy away from it.
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Old 2nd August 2019, 17:16   #150
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Re: Submarines of the Indian Navy

Along with P-75 India, our offer for three additional Scorpene submarines is still on table: French Naval Group Chairman


https://economictimes.indiatimes.com...w/70447835.cms

The French have offered to work with Maz Docks on 3 more Scorpene submarines to bridge the gap and keep the production line ticking till the P-75I project comes on stream. To me this sounds like a sensible path to pursue given how much effort, training and investment goes into building the supply chain locally. Six submarines is not a large enough number to build an industrial eco-system around of ancillary suppliers. Let's hope sound sense will prevail. God only knows we need those submarines.
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