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Repowering a 54' Donzi Sportfish

Discussion in 'Donzi/Roscioli Yacht' started by DOCKMASTER, Sep 5, 2019.

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  1. DOCKMASTER

    DOCKMASTER Senior Member

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    Feb 26, 2012
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    Ketchikan, Alaska
    I'm glad you enjoyed it. I really appreciate all the great input and feedback I received. I hope I am giving back as much info as I am receiving. There is many years of experience and knowledge here and I am grateful to those that share.
    John Hearin likes this.
  2. Capt Ralph

    Capt Ralph Senior Member

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    Satsuma, FL
    100104~3.GIF
    Out Standing.
    Please keep us all up on everything.
    Your post have been the highlight of many a night.

    Thank you for sharing your ship with us.
    ,Ralph
  3. chesapeake46

    chesapeake46 Senior Member

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    Chesapeake Bay, Delaware Bay & S.Jersey
    Yeah, especially this part.
    Good luck with her.
  4. DOCKMASTER

    DOCKMASTER Senior Member

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    Ketchikan, Alaska
    Update after a few years now. First year I was not able to do much due to COVID travel challenges. Used the boat a bit more last year. Just trialed her after the winter hibernation a few days ago. I have 170 hrs on the CATs now, 250 hours on the 9kw gen and 60 hours on the 20kw. With fresh bottom, 1/2 load fuel and 1/2 load of water I made 30 knots cruising at 78% load on the CAT panels. The ZF controls showed 81% throttle position. 44/gal/hr per side. Had a little breeze pushing me. So seems as things get broken in and I’m finding the sweet spot with tabs and such it has gotten better. Heck maybe the new Awlcraft paint helped reduce air friction .

    I have plans to use the boat more this summer than I have in past few years so hoping all goes well.
    chesapeake46 and MM3 like this.
  5. mapism

    mapism Senior Member

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    Sounds great, congrats!
    What is the corresponding RPM, out curiosity?
  6. DOCKMASTER

    DOCKMASTER Senior Member

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    believe it was 2075
  7. PacBlue

    PacBlue Senior Member

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    Dana Point, Ca
    Congratulations, keeping it under 90 gph for a 30 knot cruise in a vessel your size is a win!
  8. mapism

    mapism Senior Member

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    Hi PacBlue, been a while since your last posts, welcome back.
    I'm surely not alone in missing your no-nonsense contributions to technical debates!
    leeky likes this.