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    Project 955: Borei class SSBN

    Hole
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    Post  Hole Sun Dec 13, 2020 12:11 pm

    Project 955: Borei class SSBN - Page 37 955_mo10
    Project 955: Borei class SSBN - Page 37 955_mo11
    Project 955: Borei class SSBN - Page 37 955_mo12

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    LMFS
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    Post  LMFS Tue Dec 22, 2020 10:00 am

    The Russian fleet will be replenished with two Borey-A class submarines."

    The Russian Navy in 2021 will be replenished with two strategic submarines of the Borey-A class, in total the fleet will receive 32 ships, Russian defense Minister General of the army said.Sergei Shoigu.
    "In 2021, the Ministry of defense will have to solve a number of priority tasks... To accept two nuclear-powered submarines of the Borey – A project-Knyaz Oleg and Generalissimo Suvorov - as part of the fleet", equipped with ballistic missiles "Bulava"... Take four submarines, six surface ships, 22 boats and support vessels into the Navy, " he said.

    https://ria.ru/20201221/podlodki-1590227664.html

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    Post  walle83 Tue Dec 22, 2020 3:31 pm

    LMFS wrote:The Russian fleet will be replenished with two Borey-A class submarines."

    The Russian Navy in 2021 will be replenished with two strategic submarines of the Borey-A class, in total the fleet will receive 32 ships, Russian defense Minister General of the army said.Sergei Shoigu.
    "In 2021, the Ministry of defense will have to solve a number of priority tasks... To accept two nuclear-powered submarines of the Borey – A project-Knyaz Oleg and Generalissimo Suvorov - as part of the fleet", equipped with ballistic missiles "Bulava"... Take four submarines, six surface ships, 22 boats and support vessels into the Navy, " he said.

    https://ria.ru/20201221/podlodki-1590227664.html

    I doubt the Generalissimo Suvoro will be ready in 2021. It hasnst even been launched yet.
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    Post  PapaDragon Wed Dec 30, 2020 4:36 am


    Two Borei-class SSBNs will be laid down in 2021

    https://tass.ru/armiya-i-opk/10382459

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    Post  owais.usmani Tue Jan 12, 2021 4:08 pm

    https://www.interfax.ru/russia/744812

    Moscow. January 12. INTERFAX.RU - The Russian Defense Ministry and Sevmash have signed a contract for the construction of two strategic nuclear submarines of the Borey-A project, said Mikhail Budnichenko, general director of the enterprise.

    "In July, a contract was signed with the Russian Ministry of Defense for the construction of two more serial nuclear-powered submarine cruisers of the Borei-A project, which will be named Dmitry Donskoy and Prince Potemkin," Budnichenko said in an interview with the Zavod corporate magazine.

    According to him, the submarine "Knyaz Oleg", taken out of the boathouse in the summer, is undergoing completion and factory tests. Four more submarines of the Borey-A project are at various stages of completion.

    Strategic submarines of this type belong to the fourth generation of nuclear submarines. They are equipped with Bulava intercontinental ballistic missiles. They differ from the first Boreyevs - the submarine cruisers Yuri Dolgoruky, Alexander Nevsky and Vladimir Monomakh - in less noise, better maneuvering and holding systems at depth, as well as weapons control.

    Looks like they are naming one of the Borei as Dmitry Donskoy, so does that mean TK-208 is to be retired for good? Sad

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    Post  PapaDragon Tue Jan 12, 2021 5:08 pm

    owais.usmani wrote:...Looks like they are naming one of the Borei as Dmitry Donskoy, so does that mean TK-208 is to be retired for good?

    It's​ already due for retirement but considering that it takes a while to build SSGN it will be around for about a decade more

    Could be a good time to start thinking about preserving it as a museum

    Vladivostok for example could use extra landmarks

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    Isos
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    Post  Isos Tue Jan 12, 2021 5:11 pm

    It would need a crew for its nuclear reactor if stays a museum ship.

    Taking them away would need to open the ship and build it again.

    Costly and useless.

    Just scrap it. Their time is long gone.
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    Post  PapaDragon Tue Jan 12, 2021 5:16 pm

    Isos wrote:It would need a crew for its nuclear reactor if stays a museum ship.

    Taking them away would need to open the ship and build it again..

    Not really, just cut out the reactor section and weld rest of it together

    They did it with Leninski Kosmomolets

    And you don't need the crew, first Arctika icebreaker has been converted just fine

    Defuel it and leave it to cool off, job done

    After that you can do whatever you want

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    Post  PapaDragon Wed Jan 13, 2021 5:01 am


    Question for Russian speakers: Why is everyone throwing a shit fit on Russian forums over Borei sub being named Potemkin?

    I know about the movie but the guy was still relevant historic figure

    Why is everyone's​ tampon getting clogged over this? What am I missing?

    SeigSoloyvov
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    Post  SeigSoloyvov Wed Jan 13, 2021 7:55 am

    PapaDragon wrote:
    Question for Russian speakers: Why is everyone throwing a shit fit on Russian forums over Borei sub being named Potemkin?

    I know about the movie but the guy was still relevant historic figure

    Why is everyone's​ tampon getting clogged over this? What am I missing?


    I assume it has to do with "Potemkin Village"

    Long story short, he convinced Catherine the Great the area was far richer than it was with a series of tricks, basically he committed fraud, took the money that was meant for said people and development, and allowed the people to live in poverty. He had fake houses built among other things.

    How far his fraud went is unknown.
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    Post  LMFS Wed Jan 13, 2021 12:45 pm

    The Boreis:

    Project 955: Borei class SSBN - Page 37 ErmBrMfXEAAxCDE?format=jpg&name=large
    Hole
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    Post  Hole Wed Jan 13, 2021 8:59 pm

    SeigSoloyvov wrote:
    PapaDragon wrote:
    Question for Russian speakers: Why is everyone throwing a shit fit on Russian forums over Borei sub being named Potemkin?

    I know about the movie but the guy was still relevant historic figure

    Why is everyone's​ tampon getting clogged over this? What am I missing?


    I assume it has to do with "Potemkin Village"

    Long story short, he convinced Catherine the Great the area was far richer than it was with a series of tricks, basically he committed fraud, took the money that was meant for said people and development, and allowed the people to live in poverty. He had fake houses built among other things.

    How far his fraud went is unknown.

    The story is BS invented by envious russian nobles.
    SeigSoloyvov
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    Post  SeigSoloyvov Thu Jan 14, 2021 1:45 am

    Hole wrote:
    SeigSoloyvov wrote:
    PapaDragon wrote:
    Question for Russian speakers: Why is everyone throwing a shit fit on Russian forums over Borei sub being named Potemkin?

    I know about the movie but the guy was still relevant historic figure

    Why is everyone's​ tampon getting clogged over this? What am I missing?


    I assume it has to do with "Potemkin Village"

    Long story short, he convinced Catherine the Great the area was far richer than it was with a series of tricks, basically he committed fraud, took the money that was meant for said people and development, and allowed the people to live in poverty. He had fake houses built among other things.

    How far his fraud went is unknown.

    The story is BS invented by envious russian nobles.

    Yeah, tell yourself that.
    Hole
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    Post  Hole Thu Jan 14, 2021 11:56 am

    Maybe you should read a book from time to time.

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    kvs
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    Post  kvs Thu Jan 14, 2021 6:39 pm

    It's hilarious how western morons parrot this Potemkin village drivel as if it is some unique Russian fail. It was routine
    in European monarchies to pretty-up locations they would visit. Including construction of fake venues (e.g. villages).
    The same was true for China and most imperial states in history.

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    Post  Hole Thu Jan 14, 2021 8:54 pm

    The point is that there were no fake villages. A few extra settlers were brought in, they received new clothing, that´s all. The villages existed and they were well developed, that was stated even by western nobles that were part of the trip. The thing with the fake villages was invented later because Potjomkin was the lover of Katharina Velikiy.

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    Post  GarryB Fri Jan 15, 2021 4:28 am

    Here in New Zealand there was the joke that the Queen mother thought the whole world smelled of fresh paint because ever where she went 30 metres in front of her was a guy with a paint brush tidying up the paint work so it looked good for her...

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    Post  owais.usmani Fri Jan 29, 2021 9:19 am

    I ran into this video on youtube:



    Any submarine expert here would like to comment how much accurate is his information regarding the sound generated by screw blades and pump jets?
    Isos
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    Post  Isos Fri Jan 29, 2021 10:39 am

    This guy is a former US sonar operator. He knows his stuff. He is talking for general public with data from the web to explain how thing work.

    Don't expect it to be the true however. For such theorical work you need real values which he doesn't have.

    You can do the same with virginia subs for that matter.
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    Post  Singular_Transform Fri Jan 29, 2021 9:03 pm

    owais.usmani wrote:I ran into this video on youtube:



    Any submarine expert here would like to comment how much accurate is his information regarding the sound generated by screw blades and pump jets?

    He talks about calculation method, not practical example.
    SeigSoloyvov
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    Post  SeigSoloyvov Fri Jan 29, 2021 9:14 pm

    kvs wrote:It's hilarious how western morons parrot this Potemkin village drivel as if it is some unique Russian fail.   It was routine
    in European monarchies to pretty-up locations they would visit.   Including construction of fake venues (e.g. villages).
    The same was true for China and most imperial states in history.  


    I don't ever recall saying that situation was unique to Russia you moron, just what it was and what happened which is fact despite the historical revisionists we have on this site.
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    Post  Big_Gazza Sat Jan 30, 2021 2:03 am

    owais.usmani wrote:I ran into this video on youtube:



    Any submarine expert here would like to comment how much accurate is his information regarding the sound generated by screw blades and pump jets?

    This guy knows nothing exacting about the acoustic performance of either Yasen screws or Borei pump-jets, even if he is an ex-Navy sonar man. Its just general theory without real numbers. You could just as easily apply it to detection of Ohio SSBNs and Seawolf/Virginias. I write it off as typical Yankee bloviating.
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    Post  kvs Sat Jan 30, 2021 2:55 am

    Considering that that the Project 636 subs got the name "Black Hole" for using the thermocline to hide in the background noise,
    Russia knows something about acoustics in the oceans. Yanqui chauvinist blowhards act as if the ocean is some quiet bathtub
    and the screw noise will always give the Russians away. You know, because Russians are congenital retards when high school
    dropout Americans are all natural born Einsteins.

    Part of the screw design is obviously to emit noise that is in the spectrum of the ocean noise. BTW, ocean noise is basically
    ubiquitous. It is much easier to generate acoustic waves in the water than in the air that is why whales and dolphins evolved
    massive acoustic processing capacity in their craniums. So "noisy" screws is a brain dead trope as is the claim that Americans
    can discriminate all noise sources without effort.

    And the cherry on top is that the yanquis have exactly the same physics to deal with as the Russians so there is no innate
    advantage that they have.

    The Japanese milling machine scandal of the 1980s was BS. The only conceivable benefit from these machines would have been
    a smoother finish. Well, you can do that by hand and better than the machine if the workers are skilled. The shape of the
    screw is based on understanding of the physics and not milling machines. Milling machines are exactly like computers: garbage
    in, garbage out. Anyone claiming that Soviet understanding of the physics was lacking in the 1980s is a certifiable retard.



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    Post  GarryB Sat Jan 30, 2021 7:26 am

    Exactly right... a high precision milling machine will make parts to extreme precision, but if you don't understand the physics then making something very precisely makes no difference if you don't understand what the best shape to make actually is.

    One of the hardest parts of stealth is to achieve production in the precise shapes and angles needed to get a stealthy shape.

    This is as much about materials that wont crack and fail as it is making them the correct size and dimension and have them maintain that size and shape and dimension no matter what the temperature is or the flight speed.

    At full speed an SR-71 is 30cm longer than an SR-71 sitting on the airfield cold.
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    Post  Backman Sat Jan 30, 2021 7:30 am

    Isos wrote:It would need a crew for its nuclear reactor if stays a museum ship.

    Taking them away would need to open the ship and build it again.

    Costly and useless.

    Just scrap it. Their time is long gone.

    That would be criminal. It is a piece of history. Nothing like it will ever be built again. Its a piece of national pride. i doubt they will be quick to scrap it. They will weigh their options

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