davewhite
Luthier / Guitar Maker
Luthier
Aemulor et ambitiosior
Posts: 3,548
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Post by davewhite on Feb 23, 2017 20:27:29 GMT
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R the F
Luthier / Guitar Maker
Posts: 1,135 
My main instrument is: bandsaw
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Post by R the F on Feb 23, 2017 20:54:02 GMT
Life's not long enough to only have six go-bars...
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davewhite
Luthier / Guitar Maker
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Posts: 3,548
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Post by davewhite on Feb 23, 2017 22:35:43 GMT
Life's not long enough to only have six go-bars... Less is more  ... more or less  |
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davewhite
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Posts: 3,548
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Post by davewhite on Feb 24, 2017 17:41:48 GMT
Now on to the top bracing. The Lutz spruce X braces are profiled to a 13’ radius, notched and then glued on one at a time:   Then the two A frame braces are glued on:  The upper transverse brace is glued on after notching to span the A frame braces:  Next the Bubinga bridge-plate is glued on using hot hide glue and a caul in the go-bar deck:  |
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Akquarius
Cheerfully Optimistic 
Posts: 2,543
My main instrument is: ... a guitar.
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Post by Akquarius on Feb 25, 2017 20:17:32 GMT
Dave, I have always asked myself what is on top of these woodpegs, that press the bracing to the top.
what makes them stand straight without tumbling to the workbench?
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davewhite
Luthier / Guitar Maker
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Aemulor et ambitiosior
Posts: 3,548
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Post by davewhite on Feb 26, 2017 8:37:38 GMT
Dave, I have always asked myself what is on top of these woodpegs, that press the bracing to the top. what makes them stand straight without tumbling to the workbench? Ah ... the Luthier Dark Arts and go-bar levitation  Actually it's much more mundane - there is a suspended shelf above storing wood. |
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Akquarius
Cheerfully Optimistic
Posts: 2,543
My main instrument is: ... a guitar.
Mini-Profile Background: {"image":"","color":"020202"}
Mini-Profile Name Color: f9a507
Mini-Profile Text Color: f9a507
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Post by Akquarius on Feb 27, 2017 17:43:32 GMT
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davewhite
Luthier / Guitar Maker
Luthier
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Posts: 3,548
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Post by davewhite on Feb 28, 2017 14:12:46 GMT
The braces on the top and back give me the curvatures that the sides need to match. The sides are profiled for the top’s curvature, brace positions marked on the rim and the Lawson’s Cypress reverse-kerfed linings are glued in using fish glue:  |
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davewhite
Luthier / Guitar Maker
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Aemulor et ambitiosior
Posts: 3,548
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Post by davewhite on Mar 2, 2017 10:21:38 GMT
The sides are profiled for the back’s curvature and to build in the “wedge” that makes the sides narrower on the bass side. The brace positions are then marked on the rim and the Lawson’s Cypress reverse-kerfed linings are glued in using fish glue:  |
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leoroberts
C.O.G. 
Posts: 26,197
My main instrument is: probably needing new strings
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Post by leoroberts on Mar 2, 2017 12:14:42 GMT
Don't know how to break it to you, davewhite, but that soundhole positioning looks way off...  |
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davewhite
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Post by davewhite on Mar 2, 2017 15:09:10 GMT
Don't know how to break it to you, davewhite, You're right You're wrong |
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davewhite
Luthier / Guitar Maker
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Aemulor et ambitiosior
Posts: 3,548
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Post by davewhite on Mar 3, 2017 9:36:49 GMT
The Lawson’s Cypress side braces are notched into the linings and glued in using hot hide glue:   The 6mm carbon fibre rod flying-buttress braces are then glued in with Lawson’s Cypress side braces:  Here’s the completed rim-set:  |
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R the F
Luthier / Guitar Maker
Posts: 1,135
My main instrument is: bandsaw
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Post by R the F on Mar 3, 2017 9:57:40 GMT
That looks like a pretty robust set of ribs you've got there. Should last the nominal hundred years.
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davewhite
Luthier / Guitar Maker
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Posts: 3,548
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Post by davewhite on Mar 3, 2017 15:08:32 GMT
Thanks Rob. The Madagascan Rosewood back X brace cap is glued on using hot hide glue:  The back braces are then carved and the back is “voiced” – here’s the result:  The linings are notched to accept the brace ends and the back is glued to the rim-set using fish glue:  |
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Post by seren on Mar 5, 2017 13:54:21 GMT
Congratulations on number 100! Puts me to shame; I have been 'building' for as long as you have (in the days when £1 brought you 2 dollars' worth of stuff - half price zoot!) .......and I am currently on build #12...   /ashamed |
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The Lutz spruce X braces are profiled to a 10’ radius, notched and then glued on one at a time:
/ashamed
