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cutaway top bracing

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JLT

Post subject: cutaway top bracing

Posted: Mon Apr 25, 2022 11:41 pm

Walnut

Joined: Mon Jan 07, 2013 2:33 pm
Posts: 35
First name: John
Last Name: LaTorre
City: Sacramento
State: CA
Zip/Postal Code: 95820
Country: United States
Focus: Build
Status: Amateur

I don't know if this has been directly covered before. I looked for "cutaway" in the previous post titles, but nothing turned up.

I have an OM guitar that I'm building a new body for. I want this one to have a cutaway, but I don't know how to properly brace the top for it. Logic would indicate that I simply build the top as normal and just shorten the braces where the top ends, but logic has gotten me in trouble more times than I can count. Are there any "rules of thumb" for adapting a regular guitar plan to one for a cutaway top? Any differences in the head block, say?
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Glen H

Post subject: Re: cutaway top bracing

Posted: Tue Apr 26, 2022 10:14 am

Koa

Joined: Mon Jul 11, 2005 5:17 am
Posts: 1011
Location: United States
City: Tyler
State: Texas

For bracing, I follow that logic also when building cutaways. On the headblock, which mine are wider than the fingerboard, I trim off some on the cutaway side so that the fb edge is even with the side. Some builders don’t worry about that and just leave a ledge there.

These users thanked the author Glen H for the post: JLT (Tue Apr 26, 2022 10:45 am)

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bluescreek

Post subject: Re: cutaway top bracing

Posted: Wed Jun 22, 2022 6:52 am

Brazilian Rosewood

Joined: Mon Jan 28, 2008 5:21 am
Posts: 4905
Location: Central PA
First name: john
Last Name: hall
City: Hegins
State: pa
Zip/Postal Code: 17938
Country: usa
Focus: Build
Status: Professional

you are over thinking this the only brace that is inside the cutaway is the Popsicle brace don't install that till your ready to glue the top so you know where the kerfed lining is and you can allow the clearance for it

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blues creek guitars
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These users thanked the author bluescreek for the post: rlrhett (Wed Jun 22, 2022 9:56 am)

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Marcus

Post subject: Re: cutaway top bracing

Posted: Wed Jun 22, 2022 11:06 am

Koa

Joined: Sat May 02, 2009 2:59 pm
Posts: 583
First name: Marcus
Last Name: Bailie
City: Kirkland
State: WA
Focus: Build

If your transverse brace interferes with the cutaway, you can angle it so it clears.

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