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| Follow up on side braces http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=3944 |
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| Author: | Shane Neifer [ Wed Nov 30, 2005 12:35 pm ] |
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As was seen in an early post I butt the side braces to the linings. I heard, several times, that that creates a stress riser and they should be inletted into the linings. Any Pictures? Do they need to go in just enough to break that plane at the bottom of the lining (my thinking is that even 1/8 or so would be enough then) or would they need to be something different. Again, a picture would be GREAT!! Thanks Shane |
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| Author: | Anthony Z [ Wed Nov 30, 2005 1:16 pm ] |
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Shane the picture below describes what some of the folks suggested in their posts (the thread I think where you posted pics of yours). The method comes right out of the Benedetto book. One thing to be done not shown in the picture is the little nub of kerf glued on the brace should be chiseled flush with the other kerf.  |
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| Author: | arvey [ Wed Nov 30, 2005 3:56 pm ] |
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one of the reasons I now use Cloth is that it is easier to run it under ther lineing. With Wood I found I had to inlet them although if you had thin enough ends it would work too. |
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| Author: | arvey [ Thu Dec 01, 2005 5:53 am ] |
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A follow up on the importance of side braces. While french polishing a guitar today with thin sides I pressed to hard and heard a crack. Right in the middle of the lower bout a crck formed and ran from one side brace to the next. Easy repair. Note to self, "Don't press so hard". |
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| Author: | Anthony Z [ Thu Dec 01, 2005 7:18 am ] |
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Richard sorry to hear about the crack (that must be some elbow grease you are using). Back to your earlier post, I don’t follow what you mean about inletting braces into the kerf lining. On the picture above the spruce brace is laminated in first and the kerf is laminated up to the edge. Then I cut 2 kerfs worth and laminate it on top of the brace and later shave it with a chisel so that it is flush with the pieces of adjacent kerf. |
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| Author: | arvey [ Thu Dec 01, 2005 7:25 am ] |
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It was a week spot in the one side. I've now added an extra cloth supprt behind the spot for strenth and repaired with CA. As far as inletting, on solid linings you have to cut out a spot for the brace before installing. With Kerfed linings I did the same as you but I shaved the back side first befor installing the two blocks over the lineing instead of after as you said you do. Same difference. |
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