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    5th gen Husky-class nuclear submarine

    Isos
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    Post  Isos Fri Dec 27, 2019 2:07 am

    Seems like no VLS and shorter than Yasen. 11kt must be submerged so lighter than yasen.

    It looks a lot like a kilo sub. They must have been impressed by the stealth of its shapes and used it for the Husky.

    Very good !! Exactly what they need !
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    Post  GarryB Fri Dec 27, 2019 2:53 am

    Sorry... I didn't read Dinos post properly... it is pretty clear...

    Relatively speaking, it can be divided into three zones: a unified nasal extremity, a unified aft extremity, and the middle part can be transformable and replaceable - for various types of combat load.

    So basically they are standardised with the nose and the propulsion at the front and rear respectively, with the same middle part that can accept launch modules that can be replacable.

    So you make 50 of these subs... and then you can load them out the way you want them... you could have SSGNs with the centre section filled with UKSK-M launch tubes, you could have an SSBN with a centre section with a drop in launcher for ICBMs, you could also have a special forces support module with mini subs and diver hatches for sneaky beaky stuff, or you could have a transport bin... hell you could have a Ka-31 helicopter module if you wanted, you could have a module for under sea research with any type of equipment in there that you wanted... you could have a Poseidon launcher if you need it... the point is that you could make the module do anything you like and fit them to some or all the subs if you want to... the role of the sub can be determined in port during loading.

    You could even have multirole modules that combine cruise missiles and SAMs... you could have five subs carrying UKSK-M launchers filled with hundreds of SAMs of all types and a single sub with perhaps two upgraded Ka-31s with the new radar types in a smaller and lighter system that uses a long wave communication system to send its data to the sub that launched it, which could then search the immediate airspace in that part of the ocean and guide missiles launched from the other subs nearby... they could release a floating buoy for communications so the helos can command SAM launches from the subs closest to the targets to engage any air threats... they could be deployed in the direction an attack from an enemy might come as a sort of ambush for aircraft or missile attacks on Russian surface fleet groups... or they might operate with a carrier... remember the UKSK-M should be able to carry SAMs, but can also carry anti sub missiles of a newer and much larger design... as well as anti ship missiles too... and potentially even anti satellite and ABM S-500 missiles too.

    This is a very clever idea and a natural progression for the Russian Navy.
    Dima
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    Post  Dima Fri Dec 27, 2019 4:32 pm

    Isos wrote:Seems like no VLS and shorter than Yasen. 11kt must be submerged so lighter than yasen.

    It looks a lot like a kilo sub. They must have been impressed by the stealth of its shapes and used it for the Husky.

    Very good !! Exactly what they need !
    The VLS are probably behind the sail aft of the 2nd hatch, possibly 4 x 2 silos.

    5th gen Husky-class nuclear submarine - Page 6 76667310

    The model below displayed @ ARMY 2017 is likely "related" to the new model and in this we can get a good view/feel of the aft hull section where the silos are placed. We can see the bulge and the outer hydrodynamic hull contours (similar to 955, but much more streamlined/smoothened).
    5th gen Husky-class nuclear submarine - Page 6 KORABLI_ARMIA-2017_02
    5th gen Husky-class nuclear submarine - Page 6 955-image18
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    Azi


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    Post  Azi Fri Dec 27, 2019 5:25 pm

    Isos wrote:Seems like no VLS and shorter than Yasen. 11kt must be submerged so lighter than yasen.

    It looks a lot like a kilo sub. They must have been impressed by the stealth of its shapes and used it for the Husky.

    Very good !! Exactly what they need !
    Scaling doesn't work in this picture! Project 1144 cruiser is the same size like a Gorshkov frigate lol!

    It will have VLS !
    Dima wrote: VLS are probably behind the sail aft of the 2nd hatch.
    Exactly! You can see it because the shape in this part is more angular above and not round, as it should be without VLS.
    Isos
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    Post  Isos Fri Dec 27, 2019 6:38 pm

    You can guess its size thanks to its sail. I would say some 105-110m. Yasen is 120m.

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    Post  Hole Fri Dec 27, 2019 7:45 pm

    Displacement will be 11.000 tons. Yassen-M: 13.500 tons.
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    Post  PapaDragon Fri Dec 27, 2019 8:47 pm

    Azi wrote:....It will have VLS !
    Dima wrote: VLS are probably behind the sail aft of the 2nd hatch.
    Exactly! You can see it because the shape in this part is more angular above and not round, as it should be without VLS.

    Some versions will have VLS

    One in the photo doesn't have it



    Isos wrote:You can guess its size thanks to its sail. I would say some 105-110m. Yasen is 120m.

    Also, that sail it taken straight off Borei-A SSBN



    Hole wrote:Displacement will be 11.000 tons. Yassen-M: 13.500 tons.

    That ain't much of a difference

    Isos
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    Post  Isos Fri Dec 27, 2019 8:58 pm

    Some versions will have VLS

    One in the photo doesn't have it


    They already have 10 borei on order as SSBN and 9 Yasen and 9 oscar modernized as SSGN. Which is enough.

    They need only the SSN version of Husky right now which is the one on the picture.

    That ain't much of a difference

    It looks "big" which could suggest double hull design. Yasen is a single hull if I'm not wrong. That would explain the weight being similar for less capacity.
    Hole
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    Post  Hole Sat Dec 28, 2019 11:25 am

    Yasen is partly single-hull and partly double-hull.
    Dima
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    Post  Dima Sun Dec 29, 2019 5:29 pm

    Azi wrote:Exactly! You can see it because the shape in this part is more angular above and not round, as it should be without VLS.
    I mean, if the displayed model is the actual design, then the most probable place for VLS is behind those hatch we see aft of the sail. I cannot see with clarity a VLS on that model due to lighting and other issues, but can see sort of bulge in the aft section of the hull (top and bottom) in that video grab. That's why I used the model displayed at ARMY 2017 to suggest how a VLS section is likely to be on the new sub.

    5th gen Husky-class nuclear submarine - Page 6 EM3-iVmX0AAPkbL
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    Post  JohninMK Mon Dec 30, 2019 7:29 pm


    Husky_SSN
    Mon 30 December 2019
    By H I Sutton

    Updated, originally posted April-1 2017.
    HUSKY / Pr.585 Laika: Russia's Next Generation Attack Submarine
    Flag Russia has formally begun work on its next generation HUSKY Class (Хаски) attack submarine (SSN). The type is expected to to replace the AKULA and SIERRA Classes as a lower-cost complement to the Yasen (SEVERODVINSK) class SSGN. A Russian TV news broadcast from December 24 (https://www.1tv.ru/news/issue/2019-12-24/18:00#1) gave a new glimpse of the Project 585 'Laika' design which, logically, is the actual HUSKY design.

    http://www.hisutton.com/Husky_SSN.html
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    Post  GarryB Mon Dec 30, 2019 10:50 pm

    So in a way it is a bit like a smaller lighter attack sub to be made at the same time as the larger cruise missile carrying standard attack subs.

    I would say it was the Alpha of its generation but the Alpha certainly wasn't cheap...

    Makes sense to develop a smaller lighter but capable vessel to replace older types...

    It is a bit like the Lada replacing the Kilo... the Kilo is a good sub, but the Lada class has a similar armament and a much smaller crew and is quite a bit smaller and lighter, but with better more modern sensors and equipment.
    kvs
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    Post  kvs Tue Dec 31, 2019 12:09 am

    A smaller size makes sense for an attack sub and it makes it quieter as well. Large submarine hulls undergo all sort of oscillation modes that can be picked up
    by VLBI arrays. A smaller frame can be made stiffer and will naturally oscillate less. Modern munitions have enabled smaller ships to have the fire power
    of massive WWII boats. A lot of the naval design exhibits legacy thinking which gradually fades with time. The Laika is a rational evolution of attack submarine
    design.

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    Post  hoom Sun Jan 05, 2020 1:09 pm

    Interesting.
    Charly015 take https://charly015.blogspot.com/2020/01/primer-acercamiento-al-nuevo-submarino.html
    Given the quoted displacement I'm not convinced he's got the scaling right here
    5th gen Husky-class nuclear submarine - Page 6 545%2Bvs%2B885
    If he's right I like it though, a smaller & cheaper class is what Russia needs.

    Also a side shot of the model
    5th gen Husky-class nuclear submarine - Page 6 545%2Blaika%2B2


    Last edited by hoom on Sun Jan 05, 2020 2:13 pm; edited 1 time in total
    Isos
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    Post  Isos Sun Jan 05, 2020 1:16 pm

    I calculated 77m with such scale. Not realistic.
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    Post  Big_Gazza Sun Jan 05, 2020 11:56 pm

    Isos wrote:I calculated 77m with such scale. Not realistic.

    I'd expect the Husky to be extensively automated to minimise the crew size, and this would allow a reduction in boat size - consider the Pr 705 Lira Class (Alfa) which had an all-officer crew numbering only 31.  If the Soviets could build such boats in the late 1960s, why the heck couldn't the Russians improve on the automation levels in the 2020s?  (the Yasen is claimed to have a complement of only 64, compared the Seawolf/Virginia at 140/135).
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    Post  Isos Mon Jan 06, 2020 12:09 am

    Automatisation makes the sub very expensive.
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    Post  kvs Mon Jan 06, 2020 12:11 am

    Big_Gazza wrote:
    Isos wrote:I calculated 77m with such scale. Not realistic.

    I'd expect the Husky to be extensively automated to minimise the crew size, and this would allow a reduction in boat size - consider the Pr 705 Lira Class (Alfa) which had an all-officer crew numbering only 31.  If the Soviets could build such boats in the late 1960s, why the heck couldn't the Russians improve on the automation levels in the 2020s?  (the Yasen is claimed to have a complement of only 64, compared the Seawolf/Virginia at 140/135).

    Indeed. Modern submarines have no excuse for such overuse of human resources. I doubt that the 705 boats had the desired level of automation systems reliability
    and that is why Russia is not running 10 man boats today. But the electronics and design concepts have advanced over the last 50 years so it is time to get back
    on track.

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    Post  kvs Mon Jan 06, 2020 12:14 am

    Isos wrote:Automatisation makes the sub very expensive.

    Since we are not dealing with the profiteering civilian economy this is not true. There is no boutique pricing. So if you are going
    to spend 10 years designing a submarine, may as well do it right. Today there is no need to build some industry from scratch to
    automate systems.

    However, reliability is another issue as we see with the F-35. Software engineering is lame since it is full of lame programmers.
    Even the Pentagon can't outsource the work to coders who would do the job right.

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    Post  PapaDragon Mon Jan 06, 2020 2:16 am

    Isos wrote:Automatisation makes the sub very expensive.

    No it doesn't

    Alpha-class wasn't expensive

    It was complicated for maintenance due to reactor type but that was 50 years ago

    Use proper reactor and up to date components and no problem



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    Post  GarryB Mon Jan 06, 2020 3:11 am

    And the comparison with conventional boats... the Kilo class has 52 crew and the Lada class with a similar armament and reduced displacement a crew of 36 and is about 600 tons lighter...

    No it doesn't

    Alpha-class wasn't expensive

    Agree and disagree... the Alpha was expensive, but more the exotic liquid metal reactor and the titanium hull... the automation actually made it cheaper to operate...

    Automatisation makes the sub very expensive.

    Soviet subs were traditionally more automated than their western equivalents, but that didn't make them more expensive per say.

    Soviet and Russian tanks are also more automated with an automatic loader for the main gun round being pretty standard... over the life time of the tank I would suggest it doesn't make them more expensive.
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    Post  hoom Mon Jan 06, 2020 7:08 am

    I'd expect the Husky to be extensively automated to minimise the crew size, and this would allow a reduction in boat size
    Problem is the plaque says 11ktons.
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    Post  JohninMK Wed Feb 26, 2020 12:20 pm

    Comprehensive article by Sutton carried by Naval News three days ago. These are the first two paras and a couple from later in the article about rivalry and non use of the other's design elements re Rubin and Malachite.


    The Project 545 ‘Laika’ was first revealed in the background of a media report on a Russian defense exhibition in December. Although it has not been officially confirmed the new design is likely to be the next generation Russian attack submarine project known as Husky. The name Laika refers to a breed of Siberian hunting dog very similar to the husky.

    The type follows on from the Pr.885/885M Severodvinsk-class cruise missile submarines (SSGN). But it is not a straightforward successor. Instead, it is the cheaper little brother, intended as a replacement for existing attack submarines. As the Severodvinsk-class (also known as Yasen-class) replaces the Oscar-II SSGNs, Laika will replace the Akula and Sierra classes.


    ............................................................

    Laika is from the same design bureau as the Severodvinsk-class, which shows. An interesting aspect is that Russia has two bureaus in charge of designing submarines: Rubin and Malachite. There does not seem to be any love lost between them. A third, Lazurit, was a victim of the post Cold War ‘peace dividend’ and is no longer in the submarine game. Although they have tried to get back, which would make things more interesting.

    So with the Laika, Malachite has cornered the attack submarine market in Russia for the foreseeable future. And separately the deep diving midget submarine sector. Meanwhile Rubin is dominant for strategic deterrent submarines, underwater robots (autonomous underwater vehicles – AUVs) and non-nuclear submarines. This manifests itself in interesting ways in the design of the Laika.




    5th gen Husky-class nuclear submarine - Page 6 Russian-Submarine-Laika-cutaway-770x410

    https://www.navalnews.com/naval-news/2020/02/inside-russias-laika-next-generation-attack-submarine/
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    Post  Big_Gazza Wed Feb 26, 2020 1:51 pm

    The Yasen class does NOT replace the Antei/Oscar-IIs.  After modernisation these boats become underwater arsenal ships...

    The article repeats the usual garbage about pump-jets making boats quieter and say that "curved propeller blades" are old fashioned...  FFS...  Pump-jets are pointless beyond a certain depth as water pressure is too high to permit cavitation at the edges of prop blades, regardless of the running speed.  Avoid cavitation and you eliminate the main cause of prop noise.
    Western boats however aren't built for diving that deep while Russians boats are, but don't expect our feckless "experts" to ever admit these basic facts. The narratives are all-important to these pro-establishment stenographers.
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    Post  kvs Wed Feb 26, 2020 2:27 pm

    Big_Gazza wrote:The Yasen class does NOT replace the Antei/Oscar-IIs.  After modernisation these boats become underwater arsenal ships...

    The article repeats the usual garbage about pump-jets making boats quieter and say that "curved propeller blades" are old fashioned...  FFS...  Pump-jets are pointless beyond a certain depth as water pressure is too high to permit cavitation at the edges of prop blades, regardless of the running speed.  Avoid cavitation and you eliminate the main cause of prop noise.
    Western boats however aren't built for diving that deep while Russians boats are, but don't expect our feckless "experts" to ever admit these basic facts. The narratives are all-important to these pro-establishment stenographers.

    Curved propeller blades are a old fashioned. The mind boggles at the retardation of these "experts". They are curved to

    1) minimize kinetic energy losses for spurious eddies; the ideal operation mode is almost laminar. Without any
    fluid dynamic considerations you get propellers that spend their time producing enormous cavities and turbulence instead
    of propulsion

    2) minimize submarine noise since the propeller is the source of most noise.

    So the energy efficiency and quietness go hand in hand regardless what western high school dropout "experts" claim.


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