Indian Sonar and Torpedo developments

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HEB in their AR mentioned about the battery part , I guess they are one of the suppliers beside the other silver-zinc battery supplier HBL ? I also attached both the HEB and HBL battery brochures below.

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around page 24 : https://www.highenergy.co.in/wp-content/uploads/2024/05/HEB-Annual-Report-2024.pdf
An excellent find.

The initial Varunastra HWT battery was rated at 200kW. With that battery the torpedo can be propelled at 40 knots to a range of ~40 kms. That old battery is listed in the battery brochure as SZ-200. This is now apparently limited to practice rounds.

Now, DRDO seems to have productionized a 270kW battery listed as SZ-270. I am guessing this battery will eventually be upgraded to 300kW. With this new battery the Varunastra can do 50 knots for a range of 50 kms. Performance on this version of the torpedo will be on par with the French F21.

DRDO is also discussing developing a 400kW battery. This would allow the torpedo to do 55+ knots for 40+ kms. On par with the Mark 48 torpedo. For an electrically powered torpedo this would be quite the achievement.
 
Yes, because DRDO NPOL failed miserably. You want them to induct without basic equipment? Like in the case of Kamorta class?

There are going to be 16 ASW SWC, why only 12 VDS?
Four must be be direct import.

It could be that VDS for ASW-SWC is licensed for production by CFF Fluid Control, and ACTAS is by BEL. Dont know why they need new partner if BEL is already doing it.

 
DRDO themselves announced a 35 MW motor with pumpjet propulsion.

And what makes you think anybody is going to give us everything we want? Kaveri is Indian, but we still need both Russian and French assistance.

And who said Shakti is dead?
Did you loose the train of though? You claimed pumpjet is part of french help not me. I was asking for evidence.

Its been a decade since projects like shakti has been closed. People like you living in MMRCA era.
 
Did you loose the train of though? You claimed pumpjet is part of french help not me. I was asking for evidence.

Its been a decade since projects like shakti has been closed. People like you living in MMRCA era.

I think you should read again. I said we do not know what's part of the collaboration and that DRDO already has a pumpjet program.

As for Shakti, you mean a program that apparently ended 10 years ago by your claim, but was tested by the IN only last year? :rolleyes:


Also, MMRCA is still around, only under a different name.
 
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