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  • OT: ammonia powered ship

    From Andy Burns@21:1/5 to All on Sun Mar 2 11:10:11 2025
    Ammonia for ships has been discussed here before, lower energy density
    compared to fuel oil.

    <https://www.gov.uk/government/news/worlds-first-dual-fuel-ammonia-powered-vessel-arrives-in-the-uk>

    Can anyone make sense of this wording?

    "The vessel is the first of its kind,
    powered by a four-stroke engine,
    two of which are capable of being fuelled
    by ammonia and diesel."

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  • From Jeff Layman@21:1/5 to Andy Burns on Sun Mar 2 11:42:20 2025
    On 02/03/2025 11:10, Andy Burns wrote:
    Ammonia for ships has been discussed here before, lower energy density compared to fuel oil.

    <https://www.gov.uk/government/news/worlds-first-dual-fuel-ammonia-powered-vessel-arrives-in-the-uk>

    Can anyone make sense of this wording?

    "The vessel is the first of its kind,
    powered by a four-stroke engine,
    two of which are capable of being fuelled
    by ammonia and diesel."

    At <https://zero.fortescue.com/en/case-studies/green-pioneer> it states: "Technological Breakthrough: Two of the four engines converted to
    operate on a dual-fuel ammonia and diesel mix, with conversion completed
    at Seatrium Shipyard’s Benoi facility."

    Perhaps that got garbled in the gov.uk statement. There's a surprise...

    More info at <https://ammoniaenergy.org/articles/rd-recap-the-journal-of-ammonia-energy/>. Seems they have looked at the problem of NOx emissions, particularly N2O.

    --
    Jeff

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  • From John Rumm@21:1/5 to Andy Burns on Sun Mar 2 18:20:00 2025
    On 02/03/2025 11:10, Andy Burns wrote:
    Ammonia for ships has been discussed here before, lower energy density compared to fuel oil.

    <https://www.gov.uk/government/news/worlds-first-dual-fuel-ammonia- powered-vessel-arrives-in-the-uk>

    Can anyone make sense of this wording?

        "The vessel is the first of its kind,
        powered by a four-stroke engine,
        two of which are capable of being fuelled
        by ammonia and diesel."

    Yup, journalist read something technical, and got the wrong end of the
    stick!




    --
    Cheers,

    John.

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  • From Sam Plusnet@21:1/5 to John Rumm on Sun Mar 2 18:36:14 2025
    On 02/03/2025 18:20, John Rumm wrote:
    On 02/03/2025 11:10, Andy Burns wrote:
    Ammonia for ships has been discussed here before, lower energy density
    compared to fuel oil.

    <https://www.gov.uk/government/news/worlds-first-dual-fuel-ammonia-
    powered-vessel-arrives-in-the-uk>

    Can anyone make sense of this wording?

         "The vessel is the first of its kind,
         powered by a four-stroke engine,
         two of which are capable of being fuelled
         by ammonia and diesel."

    Yup, journalist read something technical, and got the wrong end of the
    stick!

    AI autocorrect? Sees the number "4" in close association with "engine"?


    --
    Sam Plusnet

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