Documenting my 1st thermally modified build, videos added, SOLD

Guitars by Grant Goltz of Hackensack, MN
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whitespruce
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Re: Documenting my first total thermally modified build

Post by whitespruce » Sun Oct 18, 2015 10:09 pm

Continuing on with bracing the back.

Here are the brace components ready to go. This probably looks familiar. Again, note an uncooked piece for comparison.
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I am finding the thermally modified wood very easy to work with...it cuts and sands easier than unmodified.

Again, the first layer is comprised of 1/8" thick strips. I laid out my regular 6" square, but am gluing inside the lines for this smaller body
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First layer done
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Next, I glue in the center layer of pre-shaped parts, starting with the little X's. I use the small clamps to keep the layers lined up
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Center layer done
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Then I just need to glue on 2 more 1/8" layers

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Done

And a low angle view
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Next, I plane the tops to height
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The final step is to carve the brace sides to a nice taper. Here is the first leg done
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And all of them
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A low angle view
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Everything sanded, center back strip glued in (offcut from back plates), and brace ends carved
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Now I just need to final shape the back linings by sanding on my dish mold and carve the brace pockets
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Done

The back ready to glue
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Box all closed, view from the top
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And the back
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More in the morning and I will add some comments about working with the thermally modified wood. Thanks for looking.

G

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Dennis Leahy
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Re: Documenting my first total thermally modified build

Post by Dennis Leahy » Mon Oct 19, 2015 12:52 am

It's striking how humble looking the outside is and how dazzling the interior with those 2 cool bracing patterns.

Awesome work, Grant.

D
Dennis Leahy

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whitespruce
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Re: Documenting my first total thermally modified build

Post by whitespruce » Mon Oct 19, 2015 6:27 am

Dennis Leahy wrote:It's striking how humble looking the outside is and how dazzling the interior with those 2 cool bracing patterns.

Awesome work, Grant.

D
Thanks for the comment. That will change a bit with the binding. There will be a bark purfling line around the top. That, and a figured ebony fingerboard and peghead should dress it up a bit.

G

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Dennis Leahy
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Re: Documenting my first total thermally modified build

Post by Dennis Leahy » Mon Oct 19, 2015 11:36 am

whitespruce wrote:
Dennis Leahy wrote:It's striking how humble looking the outside is and how dazzling the interior with those 2 cool bracing patterns.

Awesome work, Grant.

D
Thanks for the comment. That will change a bit with the binding. There will be a bark purfling line around the top. That, and a figured ebony fingerboard and peghead should dress it up a bit.

G
Oh, I have no doubt whatsoever that the guitar exterior will be handsome/beautiful - it just doesn't hint at what's going on inside the box.
Dennis Leahy

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whitespruce
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Re: Documenting my first total thermally modified build

Post by whitespruce » Mon Oct 19, 2015 12:01 pm

Dennis Leahy wrote:
whitespruce wrote:
Dennis Leahy wrote:It's striking how humble looking the outside is and how dazzling the interior with those 2 cool bracing patterns.

Awesome work, Grant.

D
Thanks for the comment. That will change a bit with the binding. There will be a bark purfling line around the top. That, and a figured ebony fingerboard and peghead should dress it up a bit.

G
Oh, I have no doubt whatsoever that the guitar exterior will be handsome/beautiful - it just doesn't hint at what's going on inside the box.
Maybe I need to put some "viewing ports" in the sides :lol: :lol:

G

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Re: Documenting my first total thermally modified build

Post by whitespruce » Tue Oct 20, 2015 12:58 pm

One more post to bring this p to date.

Moving on to the neck, here is what I am picking from for the fingerboard and peghead overlay
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The peghead overlays are from a bunch of bookmatched figured ebony

And here is the final fingerboard with fret slots cut
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and a bunch of phosphor bronze fret blanks cut

The fingerboard and glued up peghead overlay
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Fingerboard ready to glue
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Being glued on
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Brass brads used for locating pins

Peghead is rough trimmed to shape and tuner holes drilled. My template for routing the inlay cavity is positioned and ready
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I use a couple of dowels in the upper tuner holes to locate the template

Inlay routed and the tool I use
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Nothing fancy, the rotary tool is just a friction fit in the base. I have been using this simple device for years

With the template removed
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Stay tuned for more. I have selected koa bindings and end graft.

G

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Re: Documenting my first total thermally modified build

Post by Jim » Tue Oct 20, 2015 6:48 pm

Grant,

I like it all. Nice to see your selection process and the headplate overlay looks like flames! Nice!

Jim
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Re: Documenting my first total thermally modified build

Post by johnparchem » Tue Oct 20, 2015 7:25 pm

I really like the fret board head stock veneer combination. I also really like the idea of indexing the logo template to the peg holes and using a small template follower, a simple solution that I would have never thought of after many guitars.

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