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Info help for luthier (1 viewing) (1) Guest
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TOPIC: Info help for luthier
#2825
lenlaviolette (User)
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Info help for luthier 2 Years, 10 Months ago Karma: 0  
My name is Len Laviolette. From San Diego, California. I have built 94 guitars and am starting on my first 11 string alto. I have been gathering as much information as possible from websites and pictures from all over the net.

My design is for a 760mm scale. I determined from drawings that the "sweet spot" for the bridge on my guitar shape would fit best with a 760. I am considering the standard Hauser fan brace over the lattice because I have had more success with that system. I have been unable to determine an acceptable depth of the body. My regular guitars are about 93mm depth at the heel and about 98mm deep at the tail block. Is there a reason to use a different body depth than my standard? I am also considering a double top construction on this but I have reservations in that regard with so much more bridge stress than normal.

Does anybody have any information that might be helpful to me. Thanks so much for your consideration.
www.lavioletteguitars.com
 
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Last Edit: 2015/01/16 09:14 By lenlaviolette. Reason: errors
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#2826
Glen (User)
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Re:Info help for luthier 2 Years, 10 Months ago Karma: 3  
This is not the answer to the question you had, but did you see this post with a picture of Bolin's bracing?
http://altoguitar.com/index.php?option=com_fireboard&Itemid=31&func=view&id=2803&catid=3
 
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#2827
lenlaviolette (User)
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Re:Info help for luthier 2 Years, 10 Months ago Karma: 0  
Hi Glen. Yes I did. It is very interesting. I am considering all aspects of this right now.
best regards,
Len
 
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#2828
tenvec (User)
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Re:Info help for luthier 2 Years, 10 Months ago Karma: 1  
Hello Len,
You are not alone in returning to more traditional forms of bracing. Lattice bracing does give good response in mid range, but less so at either end, especially the upper range.
Some issues you may like to consider.
1) If you are considering an instrument tuned in G, although the 11s is well suited to playing music for 6/8/10/11c renaissance lute music, a number of players also like to play arrangements of baroque lute music. As the central repertoire for this music is for a 13c lute with the 13th course at A', an alto with 12 strings, the lowest string at A', will give a player the option of accommodating the original bass line without either raising the bass line here and there, or transposing the key up, thereby somewhat changing the character of the music.
2) A 13s instrument tuned like a baroque lute does enable a player to work from tablature without any compromises whatsoever. This is a choice those wishing to specialise in baroque prefer. Playing baroque lute repertoire on a G-tuned instrument can involve some compromises, e.g., some slurs, ornaments and chords become either difficult or impossible, and campanella effects, if reproducible, require non-standard chordal configurations. The amount of necessary compromise varies from none at all, to the frustrating.
3) An unfortunate feature of the original Bolin design is the use of just 7 treble strings over the fret board. Having 8 strings of the same scale, e.g., 57 cm, will often mean that it is not necessary to retune the 8th, as certain low notes can then be fretted.
4) If a player wishes to play the 14c archlute repertoire, a 14s alto is required.
5) Those wishing to play the Bach "lute" suites could be interested in 13 or 14s instruments, probably tuned in E, and of 65 cm scale for the 'treble'
6) Upper and lower bouts using Bolin dimensions seem satisfactory.
Hope this helps?
James.
 
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#2829
lenlaviolette (User)
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Re:Info help for luthier 2 Years, 10 Months ago Karma: 0  
Thanks for your input James. Your resumé and background is very interesting to say the least. I appreciate the effort and scope of your reply. All of this information is very interesting. If I was to make the nut a full 8 string width, then would you recommend leaving #'s 9, 10

Thanks again , and 11 in their unaltered scale lengths?

Thanks again James.
 
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#2830
Glen (User)
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Re:Info help for luthier 2 Years, 10 Months ago Karma: 3  
James,

I remember you once measured every dimension of the Asturias alto. The original poster asked for the depth of the body of an alto guitar. Do you still have your measurements?

Glen
 
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