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    Project 971: Akula class

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    SeigSoloyvov

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    Re: Project 971: Akula class

    Post  SeigSoloyvov on Thu Nov 09, 2017 5:26 pm

    PapaDragon wrote:
    miketheterrible wrote:India doesn't have the blueprints to this. Its leased, not sold.

    And it's staffed by Indians who are not immune to cash.

    Just having the sub doesn't mean they understand the construction, or have access to technical data.

    There is a major claus in the lease agreement that if the submarine suffers a certain level of damage it must be repaired at Russian docks.

    That is because the Indians do not have access to the sensitives on the ship they only know enough to do surface repairs, not deep repairs, deep repairs would require the blueprints and other information. so the secert information of the akula's are quite safe in order for India to know this they would have to take the sub apart completely. Reserving engineering is not an easy thing to do.

    While I agree with alot of what you say Pap's on this one you are mistaken.
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    Big_Gazza

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    Re: Project 971: Akula class

    Post  Big_Gazza on Fri Nov 10, 2017 5:22 am

    SeigSoloyvov wrote:
    Big_Gazza wrote:
    SeigSoloyvov wrote:There is no such thing has akula "export" model that akula was a standard one leased to India.

    Nerpa/Chakra appears to have been nerfed, eg SOKS sensors have been removed from the exterior.

    I have great doubts it was downgraded since that would involve swamping most of the subs inner parts and equipment with lesser ones.

    Only downgraded from the point of view of classified technology like the SOKS wake detection & tracking system.  Even now, the SOKS is a tightly guarded secret as tracking enemy SSBNs by wake detection is of strategic importance, and Russia would never give this to the wobble-heads.  Other key systems such as MGK-540 sonar can be degraded by simple software configuration.  Disable and delete classified data processing algorithms to de-tune the system and reduce detection ranges and ability to filter out noise.  Remove acoustic signatures (eg US nuke subs pump noise characteristics).  That way, the US can't get a handle on system performances from general discussions with their Indian counterparts.  None of those "Yeah, we can detect an Ohio at 110kms even when she's silent running at 3 knots, we did it last year when I was onboard)...

    There is no need to sanitise propulsion and marine systems, but key technologies? I certainly would.  Indians only need to be able to detect paki subs and maybe the odd Chinese.  They don't need full Russian-only capabilities, and they certainly can't be trusted to keep their gobs shut on what the boat can do.

    Austin

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    Re: Project 971: Akula class

    Post  Austin on Tue Nov 28, 2017 4:59 pm

    Carefully, "Pike"

    In Russia and the United States do submarines, in other countries - underwater targets

    https://vpk-news.ru/articles/40139

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