This is an interesting idea.
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| 1/4" bracing for S/J and Dred? http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=12853 |
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| Author: | bob J [ Sun Jul 15, 2007 11:20 pm ] |
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Question.. If one uses addi -split into straight-Why can't one use 1/4" bracing. Addi is strong and it is my basic understanding that strength of the brace is produced mostly by height. So, why not? Thanks, |
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| Author: | tippie53 [ Sun Jul 15, 2007 11:25 pm ] |
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I see no reason that you can't. Martin has been using 1/4 sitka bracing for years. Look at the D35. john hall blues creek guitars |
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| Author: | Kim [ Sun Jul 15, 2007 11:44 pm ] |
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Yep, Martin do it and as long as the brace is tall enough to be structurally sound why should there be a problem. After all, given the compounding effect of strength to height ratio one could very easily over build with 1/4" braces. Cheers Kim |
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| Author: | Colby Horton [ Sun Jul 15, 2007 11:58 pm ] |
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This is an interesting idea.
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| Author: | Colin S [ Sun Jul 15, 2007 11:59 pm ] |
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The widest braces I use (only go up to OM/OOO) are 6mm for the X and upper tone bar, the rest are only 5mm. I usually use Euro spruce for my bracing. Colin |
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| Author: | JJ Donohue [ Mon Jul 16, 2007 12:05 am ] |
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Bob...I've used 1/4" bracing on 7 guitars that included Parlors, OM's, 000's and SJ's. Height has varied depending on top stiffness and voicing choices. In general, we rookies tend to over-brace. |
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| Author: | Brock Poling [ Mon Jul 16, 2007 10:12 am ] |
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Remember... the strength increases linearly for increases in width and x^3 for increases in height. |
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| Author: | Jim Watts [ Mon Jul 16, 2007 2:39 pm ] |
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Todd is pointing out a very important point, the stiffness is what increases with the cube of the height which is not the same thing as the strength of the material. |
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| Author: | Brock Poling [ Mon Jul 16, 2007 4:41 pm ] |
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[QUOTE=Jim_W] Todd is pointing out a very important point, the stiffness is what increases with the cube of the height which is not the same thing as the strength of the material.[/QUOTE] You're right... inaccurate choice of words. |
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| Author: | bob J [ Mon Jul 16, 2007 10:40 pm ] |
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Thanks for all the great info!! 
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