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59 posters

    Icebreakers

    Scorpius
    Scorpius


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    Icebreakers - Page 21 Empty Re: Icebreakers

    Post  Scorpius Tue Feb 08, 2022 5:19 am

    Icebreakers - Page 21 1644253298-ebe919d62431ebbe50bf98b18f0b4b2e
    Floating citie of the Lords of the North.

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    George1
    George1


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    Post  George1 Thu Feb 10, 2022 8:55 pm

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    mnztr


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    Post  mnztr Mon Feb 14, 2022 6:04 am

    The Arktika class are so mind blowing already, I cannot wait to have my mind completely blown by the Leider Class.

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    lancelot
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    Post  lancelot Fri Feb 18, 2022 10:26 am

    https://www.world-nuclear-news.org/Articles/Manufacturing-starts-on-largest-ever-marine-reacto

    Manufacturing starts on largest ever marine reactor
    14 February 2022

    The reactor vessels for Russia's largest icebreaker yet, the Leader, are being made. The vessel will use two RITM-400 reactors for a propeller power of 120 MW, which is twice that of the newest icebreakers currently at sea.

    Leader will be the first of Russia's 'Project 10510' icebreakers. With unprecedented size and power for a civilian vessel Leader, and two subsequent Project 10510 icebreakers, will be able to penetrate ice up to 4.3 metres thick and clear a channel up to 50 metres wide. Their main purpose will be to maintain passability of the Northern Sea Route, the development of which is a Russian national priority.

    The RITM-400 is a development of the RITM-200 reactor design which already has variants for icebreakers, floating power plants and for use on land. As a scaled up model, RITM-400 produces 315 MWt compared with RITM-200's 165 MWt, but uses the same technologies. Atomenergomash said it "surpasses all available marine reactor units."

    Aboard the Leader, its two reactors are placed side-by-side in the centre of the ship. Their thermal energy will be converted to electricity by a steam turbine by four 35 MWe generators. This is transmitted to four 30 MW motors to drive its propellers with a total power of 120 MW, which is twice as much as the latest icebreaker to be launched, Sibir.

    The Leader itself is being built at the Zvezda Shipbuilding Complex, near Vladivostok. It should be brought into service in 2027. Two more Project 10510 icebreakers were announced by a Presidential decree in October 2020, but they have yet to be named.

    The RITM series of small reactors is designed by OKBM Afrikantov, a Rosatom subsidiary. The reactor vessels are being manufactured by another subsidiary, Atomenergomash.

    Atomenergomash noted that it "plans to start developing a technical project" on an optimised floating nuclear power plant using RITM-400 units.

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    Big_Gazza
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    Post  Big_Gazza Fri Feb 18, 2022 4:51 pm

    RITM-400 sounds ideal for a future Russian CVN, should they decide they want one (or several). Thermal output (315Mwt) is a little under half that of the Murkan A1B (~ 700MWt) powering the Ford-class white elephants, but it's a more than adequate basis for any conceivable large naval vessel.

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    Arrow


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    Post  Arrow Fri Feb 18, 2022 8:47 pm

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    magnumcromagnon
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    Post  magnumcromagnon Fri Feb 18, 2022 9:57 pm

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    Scorpius
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    Post  Scorpius Sun Feb 20, 2022 10:44 pm

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    owais.usmani


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    Post  owais.usmani Sat May 07, 2022 3:00 am

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