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Thread: plate thickness

  1. #1
    Join Date
    Dec 2010
    Posts
    12

    Default plate thickness

    I'm getting ready for my first build, probably a tenor or concert.
    And I am wondering about a starting point for top/back thickness.
    I am going to use the siminoff tap tuning method that I have been happy with for guitar building. It will be an all koa, unfigured build except I have the option of a sitka, adi, or WR cedar top.
    as much as I love the look of the koa tops, I assumber it would not be as bright a sound.
    cheers
    Mike McNerney, Ottawa

  2. #2
    Join Date
    Jul 2009
    Location
    Santa Cruz, CA
    Posts
    2,699

    Default

    Start at about 2.25 mm... .090". Also consider your bracing pattern.

  3. #3
    Join Date
    Dec 2010
    Posts
    12

    Default

    Would that thickness apply whether it is koa or the softwoods?
    MM

  4. #4
    Join Date
    Mar 2011
    Location
    Lahaina, Maui
    Posts
    448

    Default

    Yes, cedar is not as strong or dense so it needs to be a bit thicker. My plates are in the .070's". and like Rick said... consider your bracing pattern.
    Eric DeVine
    www.DeVineGuitars.com

    Simply the finest custom ukuleles and hand made guitars in the world.

  5. #5
    Join Date
    Jan 2012
    Location
    Portland, Oregon
    Posts
    32

    Default

    I go with Eric. I have a sign on my drum thickness sander..."It's stiffness, not thickness". Two trees growing right next to each other of the same specie can have quite different stiffness.

  6. #6
    Join Date
    Feb 2008
    Location
    Big Island, Hawaii
    Posts
    5,233

    Default

    Wood from the same tree does not necessarily have the same stiffness.
    Chuck Moore
    Moore Bettah Ukuleles
    http://www.moorebettahukes.com

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