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‘Kavach’ naval decoy system and anti-submarine rockets ready for Induction

1nd1a

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The Ammunition Factory Khadki here on Thursday handed over the first lot of ‘Kavach’ naval decoy system and anti-submarine rockets for induction into the Indian Navy-a step that will reduce dependence on foreign suppliers.

Receiving the decoy system, Naval Armament Inspectorate Director General Rear Admiral Brijesh Jhang praised the synergy between the Indian Navy and the Ordnance Factory Board in developing products indigenously.

“The Indian Navy had ASW (anti-submarine weapons) imported from erstwhile USSR. Disintegration of USSR led to drying up of the supply pipeline thereby affecting our inventory level while our ships continued to have the launchers.

“Therefore to meet our armament requirement Ordnance Factory Board and Indian Navy took up the challenge to indigenise these ASW rockets and achieve self-reliance in this field,” he said.

While handing over to the Indian Navy both the Kavach decoy systems and the anti-submarine rocket high explosive version, B.N. Singh, senior general manager of the ammunition factory said these strategically important products would enhance the defence preparedness of the navy.

“This has been possible owing to the special focus laid down at Ammunition Factory Khadki on research and development,” Singh said.

The rockets are made available with 1.5 km and 6 km range while the factory has been successful in developing three versions of naval decoy systems having ranges of 12 km, 5 km and 1 km.

These rockets are fired to act as decoys against incoming guided threats to naval ships. All the three versions are launched in different situations based on incoming threats.

First lot of ‘Kavach’ naval decoy system and anti-submarine rockets ready for induction | idrw.org
 
How does an anti-submarine rocket work? I ask since they're calling it a rocket and not a torpedo.
 
^^

1. That's not a rocket.

2. The target was very near the surface. A submarine usually is not going to be at that level at all times.

I think AS Rocket is basically a Torpedo with rocket propulsion.

How can rocket propulsion work under water and to what depth?
 
How can rocket propulsion work under water and to what depth?

Not quite sure, but my guess would be the rocket has depth charges loaded on them, once the rocket hits the water, the depth charge does the job, no need for propulsion under water.
 
Here's how the RBU-6000 Works.

The RBU-6000 Smerch-2 (Реактивно-Бомбовая Установка, Reaktivno-Bombovaja Ustanovka; reaction engine-bomb installation & Смерч; waterspout) is a 213 mm caliber Soviet anti-submarine rocket launcher. It is similar in principle to the Royal Navy Hedgehog system used during the Second World War. The system entered service in 1960-61 and is fitted to a wide range of Russian surface vessels. It consists of a horseshoe shaped arrangement of twelve launch barrels, that are remotely directed by the Burya fire control system (that can also control the shorter ranged RBU-1000). It fires RGB-60 unguided depth charges. The rockets are normally fired in salvos of 1, 2, 4, 8 or 12 rounds. Reloading is automatic, with individual rounds being fed into the launcher by the 60UP loading system from a below deck magazine. Typical magazine capacity is either 72 or 96 rounds per launcher. It can also be used as a shore bombardment system.

RBU-6000 - Wikipedia, the free encyclopedia
 
^^

1. That's not a rocket.

2. The target was very near the surface. A submarine usually is not going to be at that level at all times.



How can rocket propulsion work under water and to what depth?

Actually its neither torpedo nor rocket, its a depth charge and its not guided. So it need proper calculation to launch them and multiple rockets for single target. But IN happy with this, thats why they want RBU-6000 for all its ships.
 
AFK hands over indigenous RGB versions, Kavach system to Navy

Indigenous versions of the Rocket Guided Bomb (RGB)-60 and the RGB-12 Anti-submarine Warfare (ASW) rockets, along with three variants of Naval Decoy Systems ‘Kavach’ were handed over to the Indian Navy by the Ammunition Factory, Khadki (AFK), which is the integrator of the systems.

In a function at AFK, the systems were received by Rear Admiral Brijesh Jhang, DG, Naval Armament Inspectorate, New Delhi on behalf of the Navy.

The indigenisation of the system was undertaken as a result of technology denial after the USSR disintegrated.


AFK, which is the integrator of the system, would be supplying 5,000 RGBs over the next five years, besides 4,000 Kavach variants over the next three years.


The indigenous versions will replace the Russian variants already deployed on naval vessels.


“The Indian Navy had ASW Rockets imported from erstwhile USSR. Disintegration of the USSR led to drying up of supply pipeline thereby affecting our inventory level while our ships continued to have the launchers.

Therefore, to meet our armament requirement, Ordnance Factory Board and the Indian Navy took up the challenge to indigenize these ASW rockets and achieve self-reliance in this field,” said Jhang.

The rockets have 1.5-km and 6-km range while three versions of Kavach Naval Decoy Systems have the range of 12 km, 5 km and 1 km; Long Range Chaff Rocket, Medium Range Chaff Rocket and Short Range Chaff Rocket.

Kavach decoy system releases chaff made of silver coated glass fibre that forms a clutter that remains suspended so that the incoming guided threat, takes the chaff as the target. It gets locked onto the chaff instead of the actual target.

Operating in surface and underwater threat environment, it is imperative that our ships have necessary hard and soft kill systems to effectively neutralize enemy attack. The ASW and Chaff rockets provide ships with credible hard and soft kill capabilities, Rear Admiral Jhang, said.

The addition in the orderbook is expected to shoot AFK profits by Rs 100 crore a year.

Interestingly, the indigenisation also would mean cost cutting. For instance, the fuse, the most crucial component of the rocket, which was denied by USSR and which was later offered at Rs 4 lakh apiece, was developed by AFK at Rs 50,000 per piece. :woot:

“The cost of each rocket is about Rs 6-7 lakh. We are now working on the Research and Development of the next version of RGB which has a range of eight km,” said B N Singh, Sr General Manager, AFK.

AFK hands over indigenous RGB versions, Kavach system to Navy - Express India
 
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