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    Project 955: Borei class SSBN

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    Hole

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    Re: Project 955: Borei class SSBN

    Post  Hole on Tue May 22, 2018 9:44 pm

    Improvements would mostly be in the electronics and some systems. Can be integrated later.
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    JohninMK

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    Re: Project 955: Borei class SSBN

    Post  JohninMK on Tue May 22, 2018 11:36 pm


    H I Sutton
    ‏ @CovertShores
    16h16 hours ago

    #Russia will build another six BOREI-A ballistic missile #Submarines to modernize its nuclear deterrent. Indication that BOREI is deemed successful after long testing period of its missile complex. BOREI-A cutaway at http://www.hisutton.com/Borei-A.html




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    Hole

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    Re: Project 955: Borei class SSBN

    Post  Hole on Wed May 23, 2018 3:00 pm

    In 2025 they can start the development of the Borei-B and build them after 2027, to replace the "old" Borei. Turn the 3 Boreis into cruise missile/hypersonic missile/combat drone carriers.
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    Isos

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    Re: Project 955: Borei class SSBN

    Post  Isos on Wed May 23, 2018 3:31 pm

    Hole wrote:In 2025 they can start the development of the Borei-B and build them after 2027, to replace the "old" Borei. Turn the 3 Boreis into cruise missile/hypersonic missile/combat drone carriers.

    Or husky SSBN so they can unify the design of SSN, SSGN and SSBN with a husky family like they are doing with plateforms like armata for army and su-27 variants for airforce.
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    Hole

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    Re: Project 955: Borei class SSBN

    Post  Hole on Wed May 23, 2018 5:02 pm

    Nuclear reactors. Propulsion System. Electronics. Many parts are already unified in the Borej and Yassen classes. The main difference are the Placement of the sonar domes and torpedo tubes and some external encasements. With Husky this will also be unified, but then the can call their subs like they want. Husky SSBN. Borei-B.
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    PapaDragon

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    Re: Project 955: Borei class SSBN

    Post  PapaDragon on Wed May 23, 2018 5:51 pm

    Isos wrote:
    Hole wrote:In 2025 they can start the development of the Borei-B and build them after 2027, to replace the "old" Borei. Turn the 3 Boreis into cruise missile/hypersonic missile/combat drone carriers.

    Or husky SSBN so they can unify the design of SSN, SSGN and SSBN with a husky family like they are doing with plateforms like armata for army and su-27 variants for airforce.


    With 6 more Boreis to start construction at the same time first Husky is to be laid down I think that any potential SSBN version of Husky will have to wait until standard Husky subs reach double digit number of units.

    It pretty much coincides with build schedule. Starting with 2023 they will start working on first of six new Boreis. In 2021 they should start building first Husky SSN.

    So no new SSBN platform until at least mid-2030s (they won't be needing one anyway before then since even earliest Boreis will still be looking good by that point)

    So they will have Borei as SSBN and Husky as SSN/SSGN (don't know if those 30 VLS tubes qualify it as full SSGN so lets call stock Husky SSN for now since similarly equipped Yasen is placed in that group too)

    Only question is what will be (if any) full SSGN model?
    I am talking about replacement for Oscar-class since upgraded ones will carry 72 cruise missiles.

    If they choose to pursue full-sized SSGN platform will they go with Husky or Borei derivative?

    Let's say that they decide to go with Borei. If they go with cheapest and quickest option and just load 6 cruise missiles per one Bulava tube they will get 96 missiles capacity.

    Lets say that they want to match upgraded Oscar capacity and load 72 anti-ship missiles. That still leaves them 24 land-attack missiles as bonus.

    Best of all they can go from Oscar-class type to Ohio-class type depending on the missile load. Full land-attack or full anti-ship. Yes, 96 missiles is much less than what Ohio carries but 96 is more than enough for what Russia needs.

    Then again, they could go extra mile and redesign Borei with Bulava tubes fully replaced with UKSK. This would greatly increase missile load and create more or less full Ohio SSGN style submarine while still being able to do the job that Oscar SSGNs do simply due to Borei's default specs (speed, stealth, depth, torpedo tubes etc...)  

    Other option is to use Husky as basis for SSGN. Resulting sub would be more advanced but they would have to wait at least extra decade or more until they get one so I personally lean towards using Borei as SSGN platform.
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    Isos

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    Re: Project 955: Borei class SSBN

    Post  Isos on Wed May 23, 2018 6:11 pm

    Of course a SSBN husky would come very lately. Borei are all new. They should be very good for the next 20 years.

    Only question is what will be (if any) full SSGN model? I am talking about replacement for Oscar-class since upgraded ones will carry 72 cruise missiles.

    Upgrades can add another 6-7, max 10 years. Oscars are already pretty old and almost outdated. In ten years they will need new ones. Maybe they should see if it is not better to build new ones with more VLS on a unified plateform so that the cost is high on the short term but much cheaper on the long term. In ten years they will have to replace the Oscars so the cost will be the same but with Oscars modernization in addidtion.

    SSGN are the future of russian tools for anti ship and anti carrier operations. The number of aircraft carrier are growing around them with US navy but also UK, China and maybe france getting all 2 carriers in the very near future. Plus all those "helicopter carriers" armed with f-35 and more easily accessible to more countries.

    So the SSGN are more than needeed for them.

    SSN should be used for sub hunting and only few VLS are needed for that.
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    PapaDragon

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    Re: Project 955: Borei class SSBN

    Post  PapaDragon on Wed May 23, 2018 6:21 pm

    Isos wrote:Of course a SSBN husky would come very lately. Borei are all new. They should be very good for the next 20 years.

    Only question is what will be (if any) full SSGN model? I am talking about replacement for Oscar-class since upgraded ones will carry 72 cruise missiles.

    Upgrades can add another 6-7, max 10 years. Oscars are already pretty old and almost outdated. In ten years they will need new ones. ........


    In that case Borei SSGN is the way to go especially since initial batch of Huskies will be needed to replace Akulas and other older SSNs.

    Borei SSGN is definitely quickest, cheapest and most reliable option.
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    AlfaT8

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    Re: Project 955: Borei class SSBN

    Post  AlfaT8 on Wed May 23, 2018 7:29 pm

    Hole wrote:In 2025 they can start the development of the Borei-B and build them after 2027, to replace the "old" Borei. Turn the 3 Boreis into cruise missile/hypersonic missile/combat drone carriers.

    Wait?? scratch
    What's preventing the Drone sub from launching vertically?
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    PapaDragon

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    Re: Project 955: Borei class SSBN

    Post  PapaDragon on Wed May 23, 2018 8:56 pm


    About Borei-A also having 16 missiles, there might be some tweaks to that theory:

    ...Note that on at least one of the origial Pr.0955s the missile hatches themselves do not line up exactly with the hatch covers visible on the side of the submarine....



    http://www.hisutton.com/Borei-A.html
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    Hole

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    Re: Project 955: Borei class SSBN

    Post  Hole on Wed May 23, 2018 9:54 pm

    Old "Charlie" class was called SSGN and it had only 8 missiles.

    AlfaT8: was just a suggestion. Combat drones are so "in" today.
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    AlfaT8

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    Re: Project 955: Borei class SSBN

    Post  AlfaT8 on Thu May 24, 2018 12:22 am

    Hole wrote:Old "Charlie" class was called SSGN and it had only 8 missiles.

    AlfaT8: was just a suggestion. Combat drones are so "in" today.

    I get it, but honestly, what's stopping Poseidon from being launched vertically from a tweaked Borei?
    Poseidon has a reported diameter of 1.6 and Bulava has a diameter of 2, so this plausible, but pointless, since there are still the START restrictions on SSBNs.
    Best to use another platform.
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    GunshipDemocracy

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    Re: Project 955: Borei class SSBN

    Post  GunshipDemocracy on Thu May 24, 2018 12:26 am

    AlfaT8 wrote:
    Hole wrote:Old "Charlie" class was called SSGN and it had only 8 missiles.

    AlfaT8: was just a suggestion. Combat drones are so "in" today.

    I get it, but honestly, what's stopping Poseidon from being launched vertically from a tweaked Borei?
    Poseidon has a reported diameter of 1.6 and Bulava has a diameter of 2, so this plausible, but pointless, since there are still the START restrictions on SSBNs.
    Best to use another platform.

    but Poseidon is only one type of drones. They can do more tasks (mines, escorts, "anti torpedo fighters" , scouts, or even UAVs)
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    PapaDragon

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    Re: Project 955: Borei class SSBN

    Post  PapaDragon on Thu May 24, 2018 12:52 am

    Hole wrote:Old "Charlie" class was called SSGN and it had only 8 missiles......

    Those days are gone, SSGN today is 30 missiles or more.


    AlfaT8 wrote:......

    I get it, but honestly, what's stopping Poseidon from being launched vertically from a tweaked Borei?
    Poseidon has a reported diameter of 1.6 and Bulava has a diameter of 2...

    Because Poseidon is twice the length of Bulava
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    GarryB

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    Re: Project 955: Borei class SSBN

    Post  GarryB on Thu May 24, 2018 1:09 am

    So they will have Borei as SSBN and Husky as SSN/SSGN (don't know if those 30 VLS tubes qualify it as full SSGN so lets call stock Husky SSN for now since similarly equipped Yasen is placed in that group too)

    First of all 30?

    Odds are it will use UKSK launchers... this is a new design so there should not be any problem including the current standard missile launcher in their newest SSN design.

    And why would it not count as an SSGN... it could carry another 40 missiles to launch through torpedo tubes if that was needed...

    Let's say that they decide to go with Borei. If they go with cheapest and quickest option and just load 6 cruise missiles per one Bulava tube they will get 96 missiles capacity.

    No, that does not make sense.

    The Oscars kept their existing launchers because their existing launchers are between the inner and outer hull and there was no enough room to fit UKSK launchers without creating "bulges".

    On Borei they should be able to remove the Bulava tubes and replace the section with UKSK launchers. Bulava tubes require access to the tubes to check the missiles and for maintenance.... for the UKSK launchers there is no need to access the missiles so you can seal off the section and pack as many as you want in there...

    Oscars are already pretty old and almost outdated. In ten years they will need new ones.

    Oscars are very capable vessels and will be good for more than the next 10 years...

    Zircon will make them even more impressive...





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    Isos

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    Re: Project 955: Borei class SSBN

    Post  Isos on Sun Jun 10, 2018 6:54 pm

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    Tsavo Lion

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    Re: Project 955: Borei class SSBN

    Post  Tsavo Lion on Tue Jun 12, 2018 9:29 pm

    Russia to build 6 more Borei-As, Cancels Project 955B:
    "After the proposals on building Borei-B nuclear-powered submarines were analyzed, a decision was made to give them up as the construction of such submarines does not meet the cost-efficiency criterion. Instead of them, Borei-A class submarines were included in the final version of the state armament program through 2027," the source said. According to the source, "the construction of the new series of Project 955A submarines will begin at the Sevmash Shipyard after 2023." "In all, six Borei-A class submarines are planned to be built. They will be operational with the Northern and Pacific Fleets. When the series is built, the Navy will operate 14 new nuclear-powered ballistic missile submarines, namely 11 Borei-A class and three Borei-class submarines," the source said.
    TASS does not have any official confirmation of this information.
    http://tass.com/defense/1005356 http://www.navyrecognition.com/index.php/news/defence-news/2018/may-2018-navy-naval-defense-news/6245-russia-cancels-project-955b-will-build-six-more-project-955a-submarines.html
    The Borei-A is good enough, the $ saved can be invested elsewhere.
    But I wonder if it's true that they can operate outside of Arctic & Okhotsk Sea basions w/o being detected, as been claimed in the Russian media. IMO it's not even necessary as it would extend their time at sea & expend more $.

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