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  1. J

    Save Money and Get a Big Ship

    https://www.portsmouth.co.uk/news/defence/royal-navy-warship-hms-prince-of-wales-could-be-sold-4537764 I don't believe it's gonna be serious, probably just demanding more funds, but... who knows?
  2. J

    Canadian Surface Combatant RFQ

    I think it would be feasible to install 3 or 4 mk41 vls tactical modules, that is 24-32 cells for ESSM (quadpacked), SM-2 or even VLA (for ASW) . Either forming a square in the center-line of the multimission bay or arranged in a row, letting still a lot of space on both sides. This would play...
  3. J

    Basic Engineering

    Hello, and Merry Christmas. Has anyone found the correct link to download the english version of the Maritime Eng. Journal (106)? Every link directs to the French version. Thank you.
  4. J

    Dutch ships and designs and the possibilities for Canada

    Problems do arise when undermanning the vessels... https://www.navylookout.com/the-f-35-accident-report-a-reality-check-for-uk-carrier-strike/
  5. J

    Dutch ships and designs and the possibilities for Canada

    It would be a nice idea to early join NL & UK in this project. https://www.navylookout.com/multi-role-support-ships-the-future-of-royal-navy-amphibious-capability/ With about 12 ships to be built, it would not be an orphan class. If there was place for hull reinforcement for operation in iced...
  6. J

    Replacing the Subs

    Might the USN be also targeting buying foreign (Japanese) boats? Should the RCN buy 12 of them, would earn lots of "bonus points" as a credible, reliable ally. https://www.19fortyfive.com/2023/07/the-u-s-navy-needs-diesel-electric-submarines-now/
  7. J

    Replacing the Subs

    I agree somehow with YZT580, however that should not be an issue during peacetime (maybe >90% of the time?) and would extend either the patrol time or the boat's life. I wonder if towing the boats could also work. In such a case the solution might be a mix of tender, towing and...
  8. J

    Replacing the Subs

    In the link below there is a 4 pages undated paper (2022?) from Vice-Admiral R. Davidson about Submarine procurement. Short but ticks many points. It brings up the concept of a Heavy Lift Ship for overseas deployments, which had been earlier raised in Starshell review (Aug. 2022)...
  9. J

    Replacing the Subs

    Regarding TKMS, fuel cells and batteries... https://www.navalnews.com/naval-news/2023/05/powering-the-future-tkms-submarine-battery-developments/
  10. J

    Replacing the Subs

    https://gentleseas.blogspot.com/2022/08/naval-group-libs-possible-for-india.html Naval Group, TKMS, Navantia, all have agreements with SAFT
  11. J

    Replacing the Subs

    Sometimes journalists make mistakes when they don't have tech. background. The engines are diesel MTU 396 design. 3,500 KW electric motor .... ok 300 KW AIP .... ok (power of the fuel cell, reformer supposed to produce enough hydrogen for it) Bio-ethanol engines would not make sense because...
  12. J

    Replacing the Subs

    There will be four S80, actually S-81 to S-84. The first one, being in the last trials this year, and the second, are to be delivered without AIP. It will be installed in their 1st long-term overhaul (after about 5-6 years). It is expected the other two will be delivered with it. This AIP uses...
  13. J

    Replacing the Subs

    Sorry, late to edit my previous post. For the Type 212 CD should say Methanol (not ethanol) reformer.
  14. J

    Replacing the Subs

    Probably, but that means risks and high costs on such development. I don't know what happened with Slowpoke-3 but it's somehow warning the fact that only one was built and it operated for just a couple of years. @suffolkowner was not going nuclear in his post. I know for sure that both...
  15. J

    Replacing the Subs

    Still, it's only 20KW while Swedish submarines have 2x 75 KW Stirling engines. German AIP is about 250KW (2x 125) IIRC.
  16. J

    Replacing the Subs

    GE S9G estimated power: 210,000 kWt (thermal) Slowpoke-2: 20 kWt Does anyone really think that the Slowpoke-2 reactor would suffice for a SSN? https://www.globalsecurity.org/military/systems/ship/systems/s9g.htm edited to add... And regarding fuels to produce hydrogen for fuel cells (by...
  17. J

    Adaptable Strike Frigate

    Is there available space & weight to increase the EXLS cells (for CAMM missiles) from 6 to 9?
  18. J

    Replacing the Subs

    Thanks to google translator can read this dutch article about S80. Seems like Navantia doing their job on PR. Anyway, it is quite detailed about the so called "BEST-AIP". Yet the first reformer has not yet been installed, but is about to be, on the third vessel which is under construction...
  19. J

    Replacing the Subs

    Actually the next Dutch Walrus-replacement is still open among three contenders: French Barracuda, Swedish A26 and German Type 212 variant or Type 216 (not sure which one).
  20. J

    Replacing the Subs

    I agree... I disagree... still could be cheaper than a nuclear submarine. I'm not saying it's the best option, but it is an option to consider. Added: Non-orphane options would be, for instance, joining the Type 212CD or the next Dutch Walrus-replacement, if we discard the under-ice capability.
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