Varunastra ship launched torpedo

[Raj Malhotra]

The great thing about Navy is that they keep supporting indigenous programs even if they have to import some requirements. IAF and Army actively and shamelessly try to kill DRDO programs even if their product is equal to or better then foreign import.

 

[Kunal Biswas]

From Defexpo 2012 ..

These pictures were lost in this thread, Perhaps right time to post them again ..

==============

 

[Rushil51]

0000000000000000000000000y

 

[Prashant12]

NSTL to develop optic-guided heavyweight torpedoes

NSTL Director C.D. Malleswar explaining the firing of a torpedo from a ship in Visakhapatnam on Wednesday. —Photo: K.R. Deepak
Submarine variant of ‘Varunastra’ to be test-fired in two months, says outgoing Director

Having delivered heavyweight torpedo ‘Varunastra’ to the Navy and anti-torpedo decoy system ‘Mareech’, the Naval Science and Technological Laboratory (NSTL) here will now embark on development of optic-guided heavyweight torpedoes and lightweight torpedoes with extended range.

“We are moving towards strategic domain taking up products for various advanced platforms and the user confidence is high,” NSTL Director C.D. Malleswar has said.

Major projects every year

The NSTL will see the launch of major projects every year during the next three or four years. The submarine variant of ‘Varunastra’ would be test-fired in two months and the optic-guided torpedo trials by the year-end, Mr. Malleswar told a press conference on Wednesday on the eve of 47{+t}{+h}Lab Raising Day.

The NSTL worked with BDL and BEL in concurrent engineering mode and once the Navy placed the orders, 73 ‘Varunastras’ and 33 ‘Mareechs’ costing about Rs.2,000 crore, will be made by them for deployment. Besides, the NSTL has made long strides in fire control system. It has developed ‘Panchendriya’ for submarines, another system for helicopters. Its integrated anti-submarine warfare complex ‘MOD 0’ has been inducted on six Rajput Class ships.

ASW complex ‘MOD C’ has been designed for corvettes of Kolkata, Kamorta and Kochi Class and these are also ready for inducting ‘Varunastra’ and ‘Mareech’.

The NSTL has been given ‘Agni’ award in self-reliance for fire control systems, Mr. Malleswar said.

Door is also open for defence exports with requests from countries like Vietnam and Myanmar. He attributed the delay in developing ‘Varunastra’ to the challenges under water.

International facility

He recalled that during the trials in 2014, the Torpedo Recovery Vessel sunk and the torpedo under trial was recovered from over 200 metre depth. It was the first time that a torpedo was recovered from such depths, he said.

Mr. Malleswar, who is laying down office this month-end, said the NSTL had an excellent international facility in hydrodynamic research with Seakeeping and Manoeuvring Basin inaugurated recently by the Defence Minister at which seakeeping abilities of vessels are tested with models.

The Cavitation tunnel identifies operational regimes for a ship or submarine. The recently installed propulsion system integration centre integrates engines and propellers. It also works on minimising signature of vessels to prevent detection by enemy ships. “So we have total ship designing indigenously with weapons, propellers, fire control systems, mines and decoys,” Mr. Malleswar said.

The lab is on a high pedestal with completion of projects, the entire DRDO team was here to receive ‘Mareech’, for acquisition of Torpedo Launch and Recovery Vessel and Joint Consultative Machinery III meeting. “There is no looking back and we are confident of doing anything,” he adds.

http://www.thehindu.com/news/cities...ided-heavyweight-torpedoes/article8908667.ece

 

[tharun]

Brits spear fish torpedo is 80 knots speed that's 150km/hr

 

[sorcerer]

Trials of advanced version of Varunastra to start by year-end
VISAKHAPATNAM: The trials of advanced version of the country's first indigenously made heavyweight anti-submarine torpedo 'Varunastra' will begin by the year-end, Naval Science and Technological Laboratory (NSTL) director CD Malleswar told the media here on Wednesday. The NSTL has developed the torpedo with optical guidance technology for which the laboratory works have been completed.

"Arrangements are being made for its underwater trials," Malleswar announced while speaking to media on the occasion of the 47th Lab Raising Day of NSTL.

Malleswar said the advanced variant of Varunastra has not been christened yet. Indian Navy has accepted to procure 73 Varunastras and 23 Mareech Advanced Torpedo Defence Systems, he added.

Revealing various development and advanced technology activities of the NSTL, the director said the lab had developed fire control system and integrated anti-submarine warfare complex among other successful operations.

In sync with the developed countries' advanced warfare, Malleswar said, NSTL was introducing new variants.

http://www.newindianexpress.com/sta...art-by-year-end/2016/07/28/article3550585.ece

 

[Kunal Biswas]

Not according to our requirements ..

Brits spear fish torpedo is 80 knots speed that's 150km/hr

 

[Lions Of Punjab]

DCNS F-21: Safest and Modern 21st Century Torpedo for Indian Navy

• 

With the procurement of Black Shark being cancelled, does DCNS have an alternative solution for the P75 submarines?

Yes. We have proposed the F-21 torpedo developed by DCNS. This is a modern 21st century torpedo specifically developed for the French Navy’s new generation of SSN Barracuda class submarines.

What are its main features compared to the competition?

Besides unmatched performances, on which I will come back later, one of the important comparative advantages lies with its exclusive safety level.

French Navy decided to fund the development of a totally new Heavy Weight Torpedo, rather than procuring an upgraded version of its already inducted torpedoes, in order to match the operational requirement to operate a torpedo having unparalleled performances while fulfilling the latest safety rules and standards.

Since there was no available electric torpedo in the market fulfilling French Navy’s various requirements, developing a new torpedo was the only way to ensure that it matched the enhanced level of safety requirements necessary for riskless induction in its new generation nuclear submarines.

Indeed, the level of safety for weapons to be inducted in nuclear submarines is much higher than that for any conventional submarine due to the enormous consequential damages an on-board explosion could trigger.

Thanks to its advanced design and development, F-21 won’t explode in any circumstances on-board the submarine. It will never explode in case of fire on-board, or if the torpedo is dropped or fired accidentally. Only torpedo manufacturers having a long experience in nuclear submarine building and operations can understand the level of safety required. This led to designing a torpedo with accident-proof subsystems with the necessary appropriate technologies and government funding.

There are only three countries in the Western world (France, the UK and US) who have financed the development of a completely new safe torpedo with unmatched performances. Developing a wholly new torpedo with advanced features using 21st century technologies requires a large funding which only a government can afford. Indeed, the budget necessary to develop a new torpedo is close to 10 times the one required to upgrade an existing torpedo based on the Eighties technologies whose growth or upgrade potential has reached its limitation due to the original base technology used at the time of development.

Another unique feature of the F-21 is its battery. DCNS is the only manufacturer in the world who has safely mastered the Aluminium Silver Oxide technology for Light Weight and Heavy Weight torpedoes. Most competitors use silver zinc for their batteries. Aluminium silver oxide batteries have three times the power available for the same volume. This allows the F-21 to have a much higher range and maximum speed available, making it a much more lethal weapon than any of its competitors. This can’t be disputed as the laws of physics apply for everyone. In order to achieve the same range as F-21, competitors are obliged to significantly enlarge the size of their batteries, thus making them impossible to integrate in submarines’ tubes. Silver zinc technology torpedoes for submarines will never reach the max speed and range of F-21, thus denying any superiority at sea for the navies.

Being developed for French nuclear submarines, is the F-21 compatible and easily integrated in Scorpene submarines?

Integrating a Heavy Weight Torpedo to any submarine is a complex and price intensive process. The weapon efficiency drastically depends on the technical quality of the integration. Besides the adaptation of mechanical interfaces, software of the CMS must be updated to fully communicate with the torpedo in all tactical circumstances.

Such genuine seamless integrations have been made before on other submarines with other torpedoes and a market price, as practiced by other suppliers for integration of a new torpedo, is known to competent authorities. It does cost tens of millions of Euros.

However, as far as integration to the P75 combat system is concerned, F-21 is seamlessly integrated with the Subtics CMS family of the Scorpene Subs and mechanically there is no difficulty to integrate F-21 in the P75 submarines, on the contrary, F-21 is shorter and lighter that other alternatives.

Has F-21 been sold to other countries?

Yes. Besides French Navy, F-21 has been ordered by the Brazilian Navy for its Scorpene submarines. Many international navies have shown deep interest in F-21 which is the sole modern electric torpedo available in the market.

What are your plans for indigenisation of F-21, can it be locally produced?

Some components of the F-21 are already available in India. Indeed, we have initiated five years ago a certification process for the thermal battery of F-21. The thermal battery is the battery used to safely push out the torpedo outside the submarine. This is to ensure that the torpedo remains totally safe inside the submarine and becomes active only when it is outside and away from the submarine.

We have on-going discussions with various MSMEs, as well as Defence Research and Development Organisation (DRDO), to enlarge the scope of indigenisation of this modern torpedo. As you know DCNS is keen to grow its industrial footprint in India through local partners. We have successfully conducted an extensive indigenisation programme for the P75 submarine project. We are aware and share the philosophy of Indian Navy in becoming totally self-reliant. The torpedo being the main weapon of an SSK submarine, we are looking at ways to have it manufactured and maintained in India.

http://defencenews.in/article/DCNS-F-21-Safest-and-Modern-21st-Century-Torpedo-for-Indian-Navy-7312

 

[Kunal Biswas]

Another french lobby tactics to kill Indian projects ..

 

[Spectre]

I have been doing some reading about torpedos in general on the internet when came across this article ,I do not know if it is relevant to the IN . Are the torpedo systems of the IN limited by this problem ? And finally , does the varunastra have this problem?

googleweblight.com/?lite_url=http://rusnavy.com/science/weapons/underseaweapon/index.php?print=Y&ei=i2n01bwm&lc=en-IN&s=1&m=681&host=www.google.co.in&ts=1475580932&sig=AF9Nedntole3bdSEbMPSNWWXrk7x8EwIPA

 

[Kshatriya87]

...............................................................

 

[flying.modi]

Nice description of varunastra

 

[Prashant12]

#Breaking: @DRDO_India boss declares India to test self-made torpedo VARUNASTRA on Russian EKM/Sindhughosh class of submarines.

A proven submarine-killer, Varunastra torpedo being rapidly inducted by @indiannavy. If firing tests from Sindhughosh cleared, MAJOR boost!

 

[kunal1123]

#Breaking: @DRDO_India boss declares India to test self-made torpedo VARUNASTRA on Russian EKM/Sindhughosh class of submarines.

A proven submarine-killer, Varunastra torpedo being rapidly inducted by @indiannavy. If firing tests from Sindhughosh cleared, MAJOR boost!

ok second best news for the day...............................

 

[captscooby81]

Aero india 2017 the Digital Display mockup of the missile .

 

[Prashant12]

India to fire self-made torpedo VARUNASTRA from our submarines, says DRDO

VARUNASTRA TORPEDO FROM SINDHUGHOSH SUBMARINES: The ship-launched anti-submarine torpedo called Varunastra has been accepted and will be going into production phase. SONAR development has been done in house. More ships have our own SONAR on them now. Development of submarine-launched torpedo/Varunastra on the Russian EKM class of submarines has also begun. We have begun work on the anti-ship and anti-radiation missile.

http://indiatoday.intoday.in/story/...rpedo-submarines-mtcr-lca-tejas/1/883780.html

 

[AmoghaVarsha]

Diff between the Varunastra and other torpedoes like Black Shark?

 

[Kunal Biswas]

For Comparison Sake :

Its better than MK24 tiger fish ( 35knots, 28kms ), With 40knots, 30kms and lighter than White head A.184 m3..

At reduced speed its range is perhaps 50kms..

Diff between the Varunastra and other torpedoes like Black Shark?

 

[AmoghaVarsha]

For Comparison Sake :

Its better than MK24 tiger fish ( 35knots, 28kms ), With 40knots, 30kms and lighter than White head A.184 m3..

At reduced speed its range is perhaps 50kms..

So no use buying the German Torpedo.Except Black Shark rest dont make much sense if you have the VA.

Thank you kunal da.

 

[Shashwat]

1st Varunastra handed over to IN during DRDO Bandhan ceremoney at Defexpo2020