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-   -   Hatcher's Studio '19 (https://www.acousticguitarforum.com/forums/showthread.php?t=533372)

Mark Hatcher 01-02-2019 03:05 PM

Hatcher's Studio '19
 
Happy New Year everyone! I'm starting this year out with a Greta grand auditorium. This is a custom build with some wonderful woods. The back and sides are Honduran Mahogany from the "Fiddleback Tree".

https://farm5.staticflickr.com/4852/...c02c3e75_b.jpg

https://farm8.staticflickr.com/7860/...995f4f9d_c.jpg

The top is a mildly quilted old Sitka Spruce:

https://farm8.staticflickr.com/7908/...97cfabf9_b.jpg

I think they are well match both for color and tone:

https://farm5.staticflickr.com/4803/...741cd050_c.jpg

The trim will be mostly Cocobolo. I am using the last headstock overlay, fretboard, and bridge set from a board I bought quite awhile ago. I love the spiderweb grain patterns on this. It will keep up well with the amazing fiddleback Mahogany on this guitar:

https://farm5.staticflickr.com/4915/...1ea0dbc3_c.jpg

Much more to come!
Mark

Erithon 01-02-2019 03:24 PM

That's a fantastic Mahogany B&S set, Mark. Such tight flaming. This is going to look great!
And of course I love the Cocobolo as well. If I'm not mistaken, the fretboard on my Greta is from that same board.

Mark Hatcher 01-02-2019 04:25 PM

Quote:

Originally Posted by Erithon (Post 5936451)
That's a fantastic Mahogany B&S set, Mark. Such tight flaming. This is going to look great!
And of course I love the Cocobolo as well. If I'm not mistaken, the fretboard on my Greta is from that same board.

Thanks Erithon, and you are not mistaken. That Cocobolo fretboard is from the same board as your guitar's:

https://farm3.staticflickr.com/2938/...4a9d9bb1_c.jpg

Mark

Haasome 01-02-2019 04:52 PM

Wow! That Honduran Mahogany is stunning Mark.

swiftz07 01-02-2019 05:24 PM

Stunning woods and photography as usual, Mark!

Mark Hatcher 01-02-2019 07:03 PM

Quote:

Originally Posted by Haasome (Post 5936538)
Wow! That Honduran Mahogany is stunning Mark.

Thanks Paul, the curl is deep and beautiful. The kind of figure that makes you sweat when it's time to bend the sides!

Quote:

Originally Posted by swiftz07 (Post 5936568)
Stunning woods and photography as usual, Mark!

Thanks swiftz07, It's my good fortune to get to work with such great woods.
Thanks for commenting!

Mark

Mark Hatcher 01-03-2019 09:53 AM

Joining the Back
 
I thought I'd write a few things about joining a fiddleback set. First, it's important to get a clean fit between the two sides. A window comes in handy for checking that:

https://farm8.staticflickr.com/7849/...1b967a39_b.jpg

With this much figure it really shows how well you line up the sides. There's a problem doing this though. Flamed figure is a series of peaks and troughs as reflected by the wood grain actually rippling up and down. When you book match the two back pieces where there is a peak one side of the joint there is a trough on the other. Now if you work the light and view angle you can make them line up fairly well like this shows:

https://farm8.staticflickr.com/7812/...78a7eb6b_c.jpg

Now without moving that penny and changing the viewing angle a picture of the exact same area appears to be mismatched:

https://farm8.staticflickr.com/7834/...ca6f69e3_c.jpg

So even though the woods are perfectly matched the appearance of the match is a moving target!

A reasonable solution to this is to use a center graft which puts a little space between the two sides of the back and greatly reduces this effect.

j. Kinnaird 01-03-2019 10:42 AM

I like the look of peaks and troughs lining up. that's the way it's done in the violin family and to my eye it looks right.

Mark Hatcher 01-03-2019 12:34 PM

Quote:

Originally Posted by j. Kinnaird (Post 5937194)
I like the look of peaks and troughs lining up. that's the way it's done in the violin family and to my eye it looks right.

Thanks John,

I guess it never occurred to me that I could just like that look :)
Now that I think about it, itís pretty common to see on carved back instruments, including arch top guitars. When I see it on these I donít give it a second thought. Somehow when itís on the much less arched back of a regular guitar Iím not comfortable with it. Iíll try liking it and see how I do.

Mark

DamianL 01-03-2019 02:07 PM

Every time I see a fiddle back style, I want a centre strip...itís great either way, but I canít help but think it looks unfinished with out one...and having had this explanation maybe now I know why!

The Bard Rocks 01-03-2019 08:21 PM

Quote:

Originally Posted by Mark Hatcher (Post 5937315)
Thanks John,

I guess it never occurred to me that I could just like that look :)
Now that I think about it, itís pretty common to see on carved back instruments, including arch top guitars. When I see it on these I donít give it a second thought. Somehow when itís on the much less arched back of a regular guitar Iím not comfortable with it. Iíll try liking it and see how I do.

Mark

I'm with John here, part of my bug about symmetry.

ukejon 01-03-2019 10:09 PM

Snazzy wood indeed!

Mark Hatcher 01-04-2019 09:38 AM

Back Strip
 
Quote:

Originally Posted by DamianL (Post 5937407)
Every time I see a fiddle back style, I want a centre strip...itís great either way, but I canít help but think it looks unfinished with out one...and having had this explanation maybe now I know why!

Thanks for commenting DamianL.

Quote:

Originally Posted by The Bard Rocks (Post 5937733)
I'm with John here, part of my bug about symmetry.

I like balance which I suppose may be a cousin of symmetry.

Quote:

Originally Posted by ukejon (Post 5937802)
Snazzy wood indeed!


Thanks Ukejon! Speaking of snazzy wood I picked out the wood and designed the back strip today. I am doing a Cocobolo back strip. Typically, I do cross grained center laminates on the necks. I thought I'd carry that arrangement right through to the back laminate. This fiddleback is such a strong and uniform figure doing something a little more random for the back strip would really stand out. So then it was time to pick the actual piece of Cocobolo wood:

https://farm5.staticflickr.com/4886/...87f74c5b_c.jpg

This is a little piece I'd been saving for something special. The block is about 3" x 5" and 3/4" thick. The figuring in the top left corner is called "cloud figuring" which brings just the kind of randomness I'm looking for. That cloud is about 2" long and goes all the way through. I can slice this down into enough pieces to make both the back strip and the center laminate on the neck.

Here is a close up for the back:

https://farm5.staticflickr.com/4827/...f970bf73_c.jpg

And a broader view:

https://farm5.staticflickr.com/4868/...76a38b86_c.jpg

I'll have purfling on either side when I lay it in. Glad I saves that piece of wood!

Zandit75 01-04-2019 05:17 PM

https://media.giphy.com/media/1A0oXTqh8AMNy/giphy.gif

David Wren 01-04-2019 06:53 PM

Wow ... that fiddleback mahogany ... and that cocobolo ... you'll definitely make something spectacular from that Mark!


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