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    Special mission nuclear submarines

    PapaDragon
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    Post  PapaDragon on Fri Jun 16, 2017 9:33 pm

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    http://kuleshovoleg.livejournal.com/525842.html
    Rmf
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    Post  Rmf on Sat Jun 17, 2017 10:22 am

    special submarines for seismic testing-probably for underwater oil and gas deposit research in the arctic....
    possible military application as part of russian coastal naval sosus network-- mobile gap filler , submarine awacs.
    Singular_Transform
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    Post  Singular_Transform on Sat Jun 17, 2017 11:50 am

    Rmf wrote:special submarines for seismic testing-probably for underwater oil and gas deposit research in the arctic....
    possible military application as part of russian coastal naval sosus network-- mobile gap filler , submarine awacs.


    Pls, check the pictures.

    For underwater oil deposit seismic bla bla you don't need micro nuclear reactor for power supply, underwater cranes and heavy duty transport equipment.

    The modified oscar is NOT an "awacs" , the normal submarines has that capability.

    That is a heavy duty transport equipment.


    The small cranes transport the nuclear power plant to site, and the oscar carry the sonar/cables to site, and housing the personnel .


    And all of this required only for places, that has all year long ice cover.
    For all other places they can use surface ships to do the lifting / installation.


    Means that this kind of equipment can be seen under the north pole, on the lomonosov ridge.


    This is the reason why russia doesn't has maritime patrol aircraft - they don't need them.


    This system is way superior compared to an aircraft based system.


    The kilos are the fist of the system, they carry the torpedoes to the launch zone, and they receiving the targetingdate from it.


    Big_Gazza
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    Post  Big_Gazza on Sat Jun 17, 2017 12:06 pm

    PapaDragon wrote:http://kuleshovoleg.livejournal.com/525842.html

    Is that model purported to be the unfinished Pr.949A Belgorod?  Rather than a carrier for "Status-6" she is intended for arctic basin deep seismic survey?

    On second look, the tower is the wrong shape and has a set of planes, and the stern is completely different... I guess its just a concept?
    PapaDragon
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    Post  PapaDragon on Sat Jun 17, 2017 12:30 pm

    Big_Gazza wrote:
    PapaDragon wrote:http://kuleshovoleg.livejournal.com/525842.html

    Is that model purported to be the unfinished Pr.949A Belgorod?  Rather than a carrier for "Status-6" she is intended for arctic basin deep seismic survey?

    On second look, the tower is the wrong shape and has a set of planes, and the stern is completely different...  I guess its just a concept?

    It's not a concept, it is model of BS-64 Podmoskovye, modified​ Delta class. It is undergoing trials right now.
    Singular_Transform
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    Post  Singular_Transform on Sat Jun 17, 2017 2:30 pm

    There are three commissioned underwater sonar installation platform.
    BS-136 and BS-64 and AS-12 .
    http://www.deepstorm.ru/DeepStorm.files/45-92/nbrs/667BDR/K-129/K-129.htm
    https://en.wikipedia.org/wiki/Russian_submarine_BS-64
    https://en.wikipedia.org/wiki/Russian_submarine_Losharik


    The Belgorod will be the fourth underwater sonar installation platform.


    On the pictures it carry the underwater nuclear battery, and underwater mini submarine.
    http://www.navyrecognition.com/index.php/news/defence-news/2017/april-2017-navy-naval-forces-defense-industry-technology-maritime-security-global-news/5153-russian-navy-to-commission-project-09852-belgorod-special-nuclear-powered-submarine-in-2018.html
    http://www.hisutton.com/Spy%20Subs%20-Project%2009852%20Belgorod.html
    Big_Gazza
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    Post  Big_Gazza on Sat Jun 17, 2017 6:44 pm

    PapaDragon wrote:
    Big_Gazza wrote:
    PapaDragon wrote:http://kuleshovoleg.livejournal.com/525842.html

    Is that model purported to be the unfinished Pr.949A Belgorod?  Rather than a carrier for "Status-6" she is intended for arctic basin deep seismic survey?

    On second look, the tower is the wrong shape and has a set of planes, and the stern is completely different...  I guess its just a concept?

    It's not a concept, it is model of  BS-64 Podmoskovye, modified​ Delta class. It is undergoing trials right now.

    Shes not BS-64 Podmoskovye, as BS-64 is a converted Delta converted as a min-sub carrier (Losharik) and there are plenty of pics of her earlier in this post showing a clear hump leftover from the removal of her missile compartment (which is lacking from the model). Plus her aft has not been remodelled. This model looks to be something different. If its not the Belgorod it may be a concept for a future Kalmar/Delfin conversion once the Borei numbers are sufficient to allow retirement of an old boomer?
    George1
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    Post  George1 on Tue Oct 10, 2017 11:04 am

    Pr.1910 Kashalot(Uniform) deep diving submarine. AS-15 post overhaul at Zvezdochka. 1 of 2 in service

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    Post  Ned86 on Wed Sep 05, 2018 1:37 am

    More satellite images of Russian navy special subs


    BS-64 (ex Delta IV) and Bs-136 (ex Delta III)

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    two 'covered' floating docks for storing and servicing special purpose subs.

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    Losharik sub.

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    hoom

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    Special mission nuclear submarines - Page 2 Empty Losharik is going in to repair

    Post  hoom on Thu Aug 22, 2019 7:51 am

    Losharik is going in to repair
    https://tass.ru/armiya-i-opk/6760672
    “This fall, Losharik will be towed for repairs to Zvezdochka,” the agency’s interlocutor said. He specified that “at the first stage, water will be pumped out of the device and the titanium case and internal premises will be defective, after which a technical project will be drawn up for repair work and recovery. "
    ...
    The TASS interlocutor reported that, according to preliminary estimates, the systems of the deep-sea vehicle suffered significant damage. "We can say that the fire is seriously damaged and radio-electronic equipment, automation, acoustic and navigation equipment, life support systems are to be replaced," he said. It is not yet clear how much the titanium case of the station was damaged.

    As another source in the military-industrial complex told TASS, new titanium parts of the hull will be manufactured at Sevmash to replace those damaged by fire.
    Hole
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    Post  Hole on Thu Aug 22, 2019 10:42 am

    The thing is quite old. Wouldn´t it be cheaper to build a new one? dunno unshaven
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    Post  GarryB on Thu Aug 22, 2019 12:05 pm

    Titanium ages really well, so apart from fire damage, it should be OK... the guts of most submarines has to be replaced over time anyway... this is a sub that can withstand 6km of water on top of it... that is eye popping... literally...
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    Post  Big_Gazza on Thu Aug 22, 2019 12:46 pm

    Hole wrote:The thing is quite old. Wouldn´t it be cheaper to build a new one? dunno unshaven

    Laid down in 1988. It's certainly not old.
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    Post  hoom on Fri Aug 23, 2019 1:59 pm

    It also had been through a recent modernisation apparently including the fatal Lithium-ion batteries...
    Isos
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    Post  Isos on Fri Aug 23, 2019 2:52 pm

    Big_Gazza wrote:
    Hole wrote:The thing is quite old. Wouldn´t it be cheaper to build a new one? dunno unshaven

    Laid down in 1988.  It's certainly not old.

    30 years is quite old for a sub.
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    Post  walle83 on Fri Aug 23, 2019 3:25 pm

    Isos wrote:
    Big_Gazza wrote:
    Hole wrote:The thing is quite old. Wouldn´t it be cheaper to build a new one? dunno unshaven

    Laid down in 1988.  It's certainly not old.

    30 years is quite old for a sub.

    Laid down in 1988 yes but not launched until 2003. Making it one of the more modern submarines in the Russian navy.
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    Post  Isos on Fri Aug 23, 2019 5:29 pm

    https://tass.com/defense/1074729/amp

    Russia will receive 6 submarines in 2020.

    Very good power up for their navy !
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    Post  GarryB Yesterday at 12:40 am

    Lets be clear, it is a pretty impressive sub with unusual capabilities... they have every reason to want to keep using it if possible.
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    Post  Isos Yesterday at 12:44 am

    GarryB wrote:Lets be clear, it is a pretty impressive sub with unusual capabilities... they have every reason to want to keep using it if possible.

    It is also made of titanium. Russia isn't in hurry to restart production of titanium hulls any day soon.
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    Post  walle83 Yesterday at 9:46 am

    And the titanium hull will hold basicly forever.

    Just look at the K-222 submarine after been out of service for more then 20 years.
    The picture was taken just before scrapping started, to bad it had a reactor that was to expensive to be repaired.

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    Post  Rodion_Romanovic Yesterday at 12:07 pm

    walle83 wrote:And the titanium hull will hold basicly forever.

    Just look at the K-222 submarine after been out of service for more then 20 years.
    The picture was taken just before scrapping started, to bad it had a reactor that was to expensive to be repaired.

    As I wrote in the other thread (nuclear submarines thread), I just hope that they will modernise at least the two 945 barracuda and later the two 945A (condor). Afterall, Russia recently recovered the capabilities to build large titanium components for the tu-160, it would be good if they restore their capabilities to work with titanium hulls, at least in one shipyard (e.g. sevmash or krasnoe sormovo).

    Last year the head of zvezdochka ship repair yard said that it was not worth to upgrade and put back in service the barracuda because it is expensive to work and operate on subs with titanium hulls, but probably it is because his shipyard does not possesses the required capabilities (e.g including, but not only, welding in vacuum, etc).
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    Post  GarryB Today at 6:26 am

    It is also made of titanium. Russia isn't in hurry to restart production of titanium hulls any day soon.

    They have lots of problems wielding Titanium... it needs to be done in a near vacuum environment... the reason they haven't made Blackjacks till now is because the forge where the huge central box structure was made is now in the Ukraine, so to put them back in to production they needed to build an enormous forge that can be sealed to create a near vacuum to wield the Titanium structure in enormous pieces.

    The structure for the Loshark is basically a series of titanium spheres wielded together because a sphere is about the strongest shape you can make, but the joints would be critical at such depths so they would really need to get it right...

    With the K-222 shame they couldn't have removed the old reactor and used the vessel for tests with electric drives and new reactor types.

    With electric propulsion you don't need to have a conventional placement of propellers, engines, drive shafts and gears etc... you can pretty much put the reactor anywhere you want with electric cables distributing power to the various parts of the ship including the electric motors directly attached to the propellers.

    It means no need for heavy drive shafts between the gears and the propeller, and no need for the propulsion system to be attached to the gears... so you could mount it almost anywhere on a vessel... in fact you could put it somewhere where it could be dropped in and lifted out like a giant battery.

    When new power plants are developed they can be made to fit a standard size so after ten years of service you could lift out the old reactor and pop in a new model that perhaps generates more power for longer periods... the old reactor could be taken somewhere safe and refuelled and put into a new vessel that does not need as much power as possible, or it could be incorporated into a land or ship based electric power station somewhere out in the middle of nowhere...

    The new breeder reactor design eliminates nuclear waste the old pressurised water reactors create, and could be used to create more fuel during normal operation...

    New modern ships have azimov pods that can rotate 360 degrees for manouvering... a modern sub could possibly be fitted with two... one at the rear like a conventional propeller fixed pointing directly back and one half way down the sub underneath that can rotate 360 degrees.... the advantage is that you can optimise them for forward thrust because you would never need to use them in reverse... you could just rotate them 180 degrees. Of course for the rear fixed propeller being an electric motor it is easy to simple reverse the poles and make it run backwards.... compared with most diesels that need to be stopped before you can run them backwards.

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