DRDO, PSU and Private Defence Sector News

[porky_kicker]

Digital mobile radio relay system

 

[porky_kicker]

Tactical communication system

 

[porky_kicker]

Latest iteration of SLBM container, a newer version is in the works.

Many changes over the previous version whose pictures are already available in open source.

 

[porky_kicker]

For the first time you are going to see a major sub system of the indian nuclear submarines

Nuclear submarine gearbox ( most probably the picture is of the land based prototype version )

And I strongly believe 4 nuclear subs are in water ( not including the akula )

 

[porky_kicker]

Well I am tired of posting pictures and all
I am quiting DFI for the time being

It was nice to be here

Good luck to all except for porkies, khangressis, aaptards, liberals , sickulars , presstitudes , mullahs , evengalists , commies , feminists , self flagellating dindus ie all MOFOs inshort

Keep the faith.........

 

[stew98]

Why do you have to post something internal to weapon system.

View attachment 26670

For the first time you are going to see a major sub system of the indian nuclear submarines

Nuclear submarine gearbox ( most probably the picture is of the land based prototype version )

And I strongly believe 4 nuclear subs are in water ( not including the akula )

 

[porky_kicker]

Why do you have to post something internal to weapon system.

Well I got news for you

I am a top flight ISI agent who managed to google search the picture

If the OEM does not have a problem posting the same , should I have one ?

Don't bother to answer it

 

[AnantS]

Well I am tired of posting pictures and all
I am quiting DFI for the time being

It was nice to be here

Good luck to all except for porkies, khangressis, aaptards, liberals , sickulars , presstitudes , mullahs , evengalists , commies , feminists , self flagellating dindus ie all MOFOs inshort

Keep the faith.........
View attachment 26671

I looked forward to your no nonsense defence r & d related postings ... Good Luck in whatever endeavor you pursue and may you excel in that.

 

[tharun]

Where did you find it?
I mean which vendor website?

View attachment 26670

For the first time you are going to see a major sub system of the indian nuclear submarines

Nuclear submarine gearbox ( most probably the picture is of the land based prototype version )

And I strongly believe 4 nuclear subs are in water ( not including the akula )

Sent from my Redmi 4 using Tapatalk

 

[AnantS]

Where did you find it?
I mean which vendor website?

Sent from my Redmi 4 using Tapatalk

Walchand .

 

[Vinod DX9]

New indigenized tank engines, not happy with the low output

 

[Kshithij]

New indigenized tank engines, not happy with the low output

T90 tanks are light weight with 45 ton weight. So, 1000HP is enough for it. Arjun tank weighs 67tons and it was stated to get 1400-1500HP engines. Too high powered engines will badly affect range.

 

[Vinod DX9]

T90 tanks are light weight with 45 ton weight. So, 1000HP is enough for it. Arjun tank weighs 67tons and it was stated to get 1400-1500HP engines. Too high powered engines will badly affect range.

T-90AM/SM already is equipped with 1130 hp engine. And Russia is planning to give all of it's T-90 (M, AM, A) this engine at least. If new 12H360 engine becomes economic then this 2000 hp max, 1500 hp normal output, will be given to T-90AMs. And T-72B3 and T-72B3M getting get 1000 hp engine.
India using such engines which are "obsolete " even in Russian standard. 70s and 80s era engine.
And Indian T-90s use heavy armour, hence they are far heavier thanjust 45 T.

 

[Vinod DX9]

DRDO two layer BMDS is going to be finished soon. And this American system is being procured. Any good reason?

 

[Enquirer]

DRDO two layer BMDS is going to be finished soon. And this American system is being procured. Any good reason?

As usual, people are jumping the gun!
AON is the most preliminary step in the process. Most AONs never fruition!
It could just be a parallel effort to check what else is out there while desi/Israeli systems are being worked out.
That said, NASAM is not a BMD.
Nasam is a short range defense for point/small-area defence. Spyder, QRSAM will be equivalent (not AAD/PDV)

 

[Kshithij]

T-90AM/SM already is equipped with 1130 hp engine. And Russia is planning to give all of it's T-90 (M, AM, A) this engine at least. If new 12H360 engine becomes economic then this 2000 hp max, 1500 hp normal output, will be given to T-90AMs. And T-72B3 and T-72B3M getting get 1000 hp engine.
India using such engines which are "obsolete " even in Russian standard. 70s and 80s era engine.
And Indian T-90s use heavy armour, hence they are far heavier thanjust 45 T.

1000HP is always the normal peak and not turbocharged peak. India only indigenised Russian engine and not built a new one. In 2014, th engine was 73% indigenous while it is fully indigenous now. The engine has not been changed from Russian to Indian design.

Tata Sumo has 70BHP engine while it has weight of 2tons, for example. In a tank, we do not need such high speed as Tata Sumo. A tank travels at an average speed of 30kmph and does not exceed 70kmph. So, going by the standard of civilian Tata Sumo, the 1500HP engine for T90 would make it unnecessarily overpowered. Overpowered engine causes fuel guzzling.

1000HP (1150HP peak turbocharged) is better than 1500HP normal output and 2000HP turbocharged output. Engine has a specific sweetspot power range whereby the fuel consumption is minimal. In diesel engine, that comes around 70% of its peak normal power. For a tank which travels normally at 30kmph, the 1000HP engine is the ideal one. Indian T90 uses better quality armour rather than the lower quality Kontakt ERA armour. The weight of the armour is not meaningfully increased overall.

The 1500HP/1800HP Bharat Power Pack is in the making for a heavier Arjun tank. So, the 1500HP engine also in the pipeline but will not be used by T90 Tanks. This is a deliberate move considering the fuel efficiency in mind. Lower powered engines are not obsolete. Engines get obsolete only if there is a higher efficient engine available, not because size of the engine is increased

 

[Kshithij]

Imported share of 'indigenous' weaponry down from 48% to 40% in last 4 yrs

Import dependence remains a major problem even in indigenous weapons systems, with up to 40 per cent of the value of “Made in India” armaments accounted for by components sourced from abroad, said Secretary for Defence Production Ajay Kumar.

On Friday, addressing an Indian Air Force (IAF) – defence industry seminar in New Delhi, Kumar highlighted the scale of the problem. “Last year, the total production by defence PSUs (public sector undertakings) and OFB (Ordnance Factory Board) was about Rs 590 billion, of which Rs 138 billion was the value of imported components. That is roughly 24 per cent. But when we look at Hindustan Aeronautics Ltd (HAL), out of Rs 172 billion of production, Rs 70 billion was imported components -- nearly 40 per cent.”


The situation was even bleaker four years ago, said Kumar. “This 40 per cent [import content] today was 48 per cent in 2014-15. So we have been able to progressively reduce it. But significant work still needs to be done,” he said.

–– ADVERTISEMENT ––



Air Marshal RKS Shera, the IAF’s maintenance chief, stated that over 50,000 individual components had already been indigenised, or taken up for production, by Indian industry. An additional 3,000 items are indigenised every year, but there are still another 80,000 components that can be built in India.

To address this problem, Kumar proposed a national effort to obtain three categories of technology, which would spur growth in aeronautical manufacture. First, India needed to leverage its position as the world’s fastest growing civil aviation market – with a demand of 850-1,000 civil airliners – to extract key technologies from vendors seeking to supply to India.

“Looking at our combined market size [of civil and defence aircraft] – and these engines will require maintenance, replacements etc. – we should lay down a roadmap for developing an aero engine manufacturing eco-system in the country”, said Kumar.

Kumar admitted this would not be possible without the government driving it.

This was precisely the strategy used by China, when it was the fastest growing market for airliners, to promote aerospace manufacture in that country. Beijing managed to arm-twist Airbus into establishing a production line in China, but it is still grappling with aero engine manufacture.

The second technology domain that Kumar wants focus on is materials technology. “This involves various kinds of composite materials, various kinds of super alloys, single crystalline alloys, etc. These technologies again will require significant investments in many cases, and significant scale or operations.”

This again is a path that Beijing traversed while building its high-speed rail network. By making it compulsory for railway carriage manufacturers to set up shop in that country, Beijing obtained advanced materials technologies that it then adapted to aerospace and missile production.

Kumar’s third requirement is computer chip technology. “Whether it is a silicon chip, whether it is an LCD or LED chip, whether it is a gallium nitride chip, this constitutes most of the value that goes into the aircraft, or for that matter any defence platform. This has not just economic considerations, but also security and strategic aspects. As long as we are importing most of these chips, we are exposing ourselves to vulnerabilities that are not visible to the naked eye,” he said.

Setting up production of aero engines, high-tech materials and computer chips in India, however, requires manufacture on a global scale, for which the defence production secretary said he had “streamlined, rationalised and simplified” the export policy.

“No export request is pending for more than 30 days in the ministry. Repeat orders, do not require even 30 days, they are done literally across the table,” said Kumar.

Noting that start-ups would be central to high-tech defence innovation, Kumar said the IDEX (Innovations for Defence Excellence) scheme that Prime Minister Narendra Modi inaugurated in April would be unveiling its first set of “challenges and problem sets” to start-ups in Bengaluru on August 11. They would be required to present proposed solutions and the ministry would give up to one-and-a-half crore rupees to selected firms to develop prototype solutions.

 

[Vinod DX9]

As usual, people are jumping the gun!
AON is the most preliminary step in the process. Most AONs never fruition!
It could just be a parallel effort to check what else is out there while desi/Israeli systems are being worked out.
That said, NASAM is not a BMD.
Nasam is a short range defense for point/small-area defence. Spyder, QRSAM will be equivalent (not AAD/PDV)

Exactly, we have SPYDER, we have QRSAM project why we do needAn american system redundantly?

 

[Vinod DX9]

1000HP is always the normal peak and not turbocharged peak. India only indigenised Russian engine and not built a new one. In 2014, th engine was 73% indigenous while it is fully indigenous now. The engine has not been changed from Russian to Indian design.

Tata Sumo has 70BHP engine while it has weight of 2tons, for example. In a tank, we do not need such high speed as Tata Sumo. A tank travels at an average speed of 30kmph and does not exceed 70kmph. So, going by the standard of civilian Tata Sumo, the 1500HP engine for T90 would make it unnecessarily overpowered. Overpowered engine causes fuel guzzling.

1000HP (1150HP peak turbocharged) is better than 1500HP normal output and 2000HP turbocharged output. Engine has a specific sweetspot power range whereby the fuel consumption is minimal. In diesel engine, that comes around 70% of its peak normal power. For a tank which travels normally at 30kmph, the 1000HP engine is the ideal one. Indian T90 uses better quality armour rather than the lower quality Kontakt ERA armour. The weight of the armour is not meaningfully increased overall.

The 1500HP/1800HP Bharat Power Pack is in the making for a heavier Arjun tank. So, the 1500HP engine also in the pipeline but will not be used by T90 Tanks. This is a deliberate move considering the fuel efficiency in mind. Lower powered engines are not obsolete. Engines get obsolete only if there is a higher efficient engine available, not because size of the engine is increased

New Russian engines are not only give higher putput they are more efficient too. less prone to break down, not over heated. That's why they get priority.
Earlier there was a project really existed to give 1100 hp engime to Indian T-90s and instead 980/1000 hp one to T-72.It is not my personal choice, but once existed project pr recommendation.
Which is now curbed.

 

[Kshithij]

New Russian engines are not only give higher putput they are more efficient too. less prone to break down, not over heated. That's why they get priority.
Earlier there was a project really existed to give 1100 hp engime to Indian T-90s and instead 980/1000 hp one to T-72.It is not my personal choice, but once existed project pr recommendation.
Which is now curbed.

Indian engines are of good quality too. Regardless of the peak power, quality of India-made engines is good enough.

Also, do you have source of 1100H engines? Are you sure that the 1100HP is not after turbocharge?