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mikemcnerney
11-25-2011, 02:51 AM
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

Rick Turner
11-25-2011, 04:43 AM
Start at about 2.25 mm... .090". Also consider your bracing pattern.

mikemcnerney
11-25-2011, 05:51 AM
Would that thickness apply whether it is koa or the softwoods?
MM

DeVineGuitars
11-25-2011, 06:19 AM
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.

Mark Roberts Ukuleles
01-05-2012, 03:38 PM
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.

Moore Bettah Ukuleles
01-05-2012, 04:42 PM
Wood from the same tree does not necessarily have the same stiffness.