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Thread: Need prop advice

  1. #1
    Join Date
    Jan 2008
    Location
    Lake Champlain, Vermont
    Posts
    2,892

    Default Need prop advice

    I have recently repowered my 22 foot houseboat FESTIVUS with a 15 hp Mercury outboard.
    P7230022.jpg
    The question I have is concerning the best prop for pushing the boat at hull speed.
    Somewhere in the cobwebs that populate my cranium these days lurks some kind of formula
    for determining pitch, etc. Any help appreciated. Thanks

  2. #2
    Join Date
    Jun 2000
    Location
    Pleasant Valley NS Canada
    Posts
    17,279

    Default Re: Need prop advice

    I can help. What is the waterline length, waterline beam, draft, and displacement (weight) of the boat?
    Hope for the best, but plan for the worst.

  3. #3
    Join Date
    Apr 2019
    Location
    Ireland, Dublin
    Posts
    3

    Default Re: Need prop advice

    Looks great!)

  4. #4
    Join Date
    Apr 2007
    Location
    Caribbean cliff edge
    Posts
    20,670

    Lightbulb Re: Need prop advice

    mmd might be your best avenue.

    However you can also try this site:

    https://www.vicprop.com/displacement_size.php
    I live and drink rum where other people vacation.

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