Indian Navy Developments & Discussions

About the RBU 6000 debate, its no longer correct to call it the RBU. Note the IN refers to all new ships and post MLU ships as being fitted with IRLs.

What has happened is L&T reverse engineered the RBU, replacing decades old electro-hydraulic mechanisms with new modern equivalents. The mount is less space consuming, lighter, faster and better to maintain and operate.

Plus there's around 7 different ammo types too.
 
About the RBU 6000 debate, its no longer correct to call it the RBU. Note the IN refers to all new ships and post MLU ships as being fitted with IRLs.

What has happened is L&T reverse engineered the RBU, replacing decades old electro-hydraulic mechanisms with new modern equivalents. The mount is less space consuming, lighter, faster and better to maintain and operate.

Plus there's around 7 different ammo types too.

Ye IRL kya hai and what are 7 types of ammo?

I read on wiki that the RBU is used for both depth charge dropping to counter subs/torpedo + as shore bombardment platform.

Would like to know more, also good to see we do some improvement on domestically produced ToT foreign maal, hope somebody upgrades AK-630 also this way or just makes a whole new phalanx/goalkeeper style CIWS
 

View: https://x.com/MeyyappanPl1/status/1830073276061925477

wait what we were importing fire proof doors until now for our warships?? Or is this the usual stock jumla from companies to boost shares? But still it is good that private companies are stepping up


Yes a lot of more "trivial" stuff is imported, they indeginize these, for whatever reason MDL advertizes it on their twitter occasionally, example


View: https://x.com/MazagonDockLtd/status/1867537904341533079

1735492955475.webp



View: https://x.com/MazagonDockLtd/status/1854845297543036960

1735493090755.webp

You will have to mentally filter the over 9000 posts of random people holding some documents and those "CLEANING BEPHORE AND APHTER SAAAR" and "RECYCLING" posts that i'm convinced by now GoI has forced various DPSUs to put out, it's not just a HAL thing.
 
You will have to mentally filter the over 9000 posts of random people holding some documents and those "CLEANING BEPHORE AND APHTER SAAAR" and "RECYCLING" posts that i'm convinced by now GoI has forced various DPSUs to put out, it's not just a HAL thing.
Those are just danda for swach bharat abhiyaan...
 
What has happened is L&T reverse engineered the RBU, replacing decades old electro-hydraulic mechanisms with new modern equivalents. The mount is less space consuming, lighter, faster and better to maintain and operate.
Definitely it'd be faster and better after replacing hydraulics with electromechanical drives but Sir, that thing's still the size of a 🦣 with maximum range of just 8.5km.
8.5km when even the light-weight torpedos now have a range of 20km.

This is the L&T version
Screenshot_2024-12-29-22-49-11-67_6bcd734b3b4b52977458a65c801426b0.webp
Easily three stories tall with a large conveyor belt of reloads.
You can easily stick two BrahMos UVLM in place of this doohickey

Also if indeed this things can be used in TorBuster type role and with further (say 20km) ranged depth charge then isn't it better to have multiple RIM-116 types single shot launchers dispersed around the ship instead of one complicated, reloadable unit?
Screenshot_2024-12-29-23-03-36-72_6bcd734b3b4b52977458a65c801426b0.webp
• no deck penetration, so can be slapped on vessels of any size
• packing efficiency is drastically improved because no need for reloading
• eight launcher (2x bow-starboard-stern-port) with 15 tubes each would have a total of 120 shots. Pretty close to the 144 of two RBU-6000; 2x72.
• you also free up the space taken earlier by Doohickey-6000 so now you've 32x BrahMos
• moreover now you've a 360° coverage for torpedo/submarine attack from any angle compared to just the frontal arc
Plus there's around 7 different ammo types too
1. one is the vanilla RGB-60 that we used to have; 5.5km
2. one is the new DRDO ER-ASR with two stage motor for 8.5km range
Screenshot_2024-12-29-22-58-45-69_6bcd734b3b4b52977458a65c801426b0.webp
3. one is 90R, the micro-torpedo payload inside rocket thing that can be kind of used in TorBuster role. But I'm pretty sure we've imported any significant numbers of these.

What are the other four types Sir!?
 
Definitely it'd be faster and better after replacing hydraulics with electromechanical drives but Sir, that thing's still the size of a 🦣 with maximum range of just 8.5km.
8.5km when even the light-weight torpedos now have a range of 20km.

This is the L&T version
View attachment 20071
Easily three stories tall with a large conveyor belt of reloads.
You can easily stick two BrahMos UVLM in place of this doohickey

Also if indeed this things can be used in TorBuster type role and with further (say 20km) ranged depth charge then isn't it better to have multiple RIM-116 types single shot launchers dispersed around the ship instead of one complicated, reloadable unit?
View attachment 20073
• no deck penetration, so can be slapped on vessels of any size
• packing efficiency is drastically improved because no need for reloading
• eight launcher (2x bow-starboard-stern-port) with 15 tubes each would have a total of 120 shots. Pretty close to the 144 of two RBU-6000; 2x72.
• you also free up the space taken earlier by Doohickey-6000 so now you've 32x BrahMos
• moreover now you've a 360° coverage for torpedo/submarine attack from any angle compared to just the frontal arc

1. one is the vanilla RGB-60 that we used to have; 5.5km
2. one is the new DRDO ER-ASR with two stage motor for 8.5km range
View attachment 20074
3. one is 90R, the micro-torpedo payload inside rocket thing that can be kind of used in TorBuster role. But I'm pretty sure we've imported any significant numbers of these.

What are the other four types Sir!?
So i asked around if its okay to say detail mai.

I got rapped on my knuckles for the effort, but suffice to say theres airburst, 2 types of countermeasures, and on in development sensory ammunition. Think sonobuoys minimised.
 
suffice to say theres airburst, 2 types of countermeasures, and on in development sensory ammunition. Think sonobuoys minimised.
So, as of now we can say...
1. 5.5km ranged depth charge
2. 8.5km ranged depth charge
3. Anti torpedo guided ammunition
4. Air-burst (maybe for small fast attack boats)
5. Countermeasures (maybe Kavach type)
6. Countermeasures (maybe anti-torpedo countermeasures)
7. Sonobuoys
So i asked around if its okay to say detail mai.
I got rapped on my knuckles for the effort
Ohhh C'mon Sir, what's the point of having an ex-service man on a forum if we can't get some juicy info!! What's the maximum that'll happen? You'd be jailed for 14 years under Official Secrets Acts, 1923...that's it. But just imagine the upside Sir, we'd be competing with the likes of War Thunder and DCS.
 
MoD inks two contracts worth Rs.1990 crore and Rs.877 crore for integration of DRDO Air Independent Propulsion (AIP) plug and integration of Electronic Heavy Weight Torpedo (EHWT) on Kalvari class of submarines
 
MoD inks two contracts worth Rs.1990 crore and Rs.877 crore for integration of DRDO Air Independent Propulsion (AIP) plug and integration of Electronic Heavy Weight Torpedo (EHWT) on Kalvari class of submarines

What effect will this have on the Admirals attempts to get those German U-booten?
Alteast Torpedo import is completely BTFO with the latter news
 
MoD inks two contracts worth Rs.1990 crore and Rs.877 crore for integration of DRDO Air Independent Propulsion (AIP) plug and integration of Electronic Heavy Weight Torpedo (EHWT) on Kalvari class of submarines
Are we procuring F-21 torpedos or integrating the desi one?
 
How feasible would it be to fit the RATEP Komar air-defence turret mount onto the Next Generation Missile Vessel (NGMV) given that it's likely armament is just :
  • 4 x BrahMos ER
  • 1 x 76 mm upgraded SRGM
  • 2 x 30 mm AK 630 CIWS
  • 2 x OFT 12.7 mm M2 Stabilized Remote Controlled Gun
  • 16 x VL-SRSAM (FFBNW)
It looks like the mid section of the old design (2500 T) has been scrapped out and the new design (~1500 T) seems much smaller.

This removed the midship section for the earlier 8 x BrahMos ER and moved it to the fore using inclined launchers and displaced the VL-SRSAM.

This will at least give the ship some decent CIWS capabilities since each turret has electro-optical systems for independent targeting given that the alternative is manually aimed Igla-S missiles using Eyeball Mk 1.

GfADPCcbwAM7hsU.jpg


Igla-S Naval launcher (old)

5401310646_b09ed31535_z.jpg


Komar Air Defence Turret (proposed)

p1639453.jpg


https://roe.ru/eng/catalog/naval-systems/shipborne-weapons/komar-new/

Implementation on the Buyan M class corvette.

d6cbb-216312bkot-30rus-livejournal2bf-1.jpg
 
Last edited:
How feasible would it be to fit the RATEP Komar air-defence turret mount onto the Next Generation Missile Vessel (NGMV) given that it's likely armament is just :
  • 4 x BrahMos ER
  • 1 x 76 mm upgraded SRGM
  • 2 x 30 mm AK 630 CIWS
  • 2 x OFT 12.7 mm M2 Stabilized Remote Controlled Gun
  • 16 x VL-SRSAM (FFBNW)
It looks like the mid section of the old design (2500 T) has been scrapped out and the new design (~1500 T) seems much smaller.

This removed the midship section for the earlier 8 x BrahMos ER and moved it to the fore using inclined launchers and displaced the VL-SRSAM.

This will at least give the ship some decent CIWS capabilities since each turret has electro-optical systems for independent targeting given that the alternative is manually aimed Igla-S missiles using Eyeball Mk 1.

GfADPCcbwAM7hsU.jpg


Igla-S Naval launcher (old)

5401310646_b09ed31535_z.jpg


Komar Air Defence Turret (proposed)

p1639453.jpg


https://roe.ru/eng/catalog/naval-systems/shipborne-weapons/komar-new/

Implementation on the Buyan M class corvette.

d6cbb-216312bkot-30rus-livejournal2bf-1.jpg

Navy couldn't get Italian torpedoes,
Navy couldn't get Italian 127mm gun, neither it could get 5" gun from US/UK
Navy possibly wants a better CIWS than AK-630 but woh bhi nahi milega.


Don't think govt will allow full import of this turret or Roosi will allow ToT screwdriver-giri

Dunno if i'm 100% about this or no but the Warships seem to have either fully or partially domestically produced or screwdrivered weapons and subsystems.
 
How feasible would it be to fit the RATEP Komar air-defence turret mount onto the Next Generation Missile Vessel (NGMV) given that it's likely armament is just :
  • 4 x BrahMos ER
  • 1 x 76 mm upgraded SRGM
  • 2 x 30 mm AK 630 CIWS
  • 2 x OFT 12.7 mm M2 Stabilized Remote Controlled Gun
  • 16 x VL-SRSAM (FFBNW)
It looks like the mid section of the old design (2500 T) has been scrapped out and the new design (~1500 T) seems much smaller.

This removed the midship section for the earlier 8 x BrahMos ER and moved it to the fore using inclined launchers and displaced the VL-SRSAM.

This will at least give the ship some decent CIWS capabilities since each turret has electro-optical systems for independent targeting given that the alternative is manually aimed Igla-S missiles using Eyeball Mk 1.
I mean they have already downgraded it once, so...
IMG_20241231_144558.webp
 

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