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Got a truss rod question.... http://www-.luthiersforum.com/forum/viewtopic.php?f=10102&t=5269 |
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Author: | old man [ Thu Feb 23, 2006 10:01 am ] |
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I've been machining four necks over the past few days and all is going well. Today I cut my truss rod slots and three of them are perfect, but on one I missed my center line by about 1/32". My question is: is 1/32" enough off center to cause a problem? The groove is 1/4 wide and 3/8" deep. It is an Allied, two-way truss rod. I could cut a spline and fill the groove and recut if needed, but I didn't want to unless you gurus thought it was necessary. Thanks, Ron |
Author: | Rod True [ Thu Feb 23, 2006 10:08 am ] |
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I don't think 1/32" is a big deal there Ron. I'm sure others with more experience than me will chim in. |
Author: | Serge Poirier [ Thu Feb 23, 2006 10:13 am ] |
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I'm not sure if i could see a 1/32" gap through my dirty glasses Ron but wait, someone with cleaner 4 eyes might say different! ![]() |
Author: | RussellR [ Thu Feb 23, 2006 10:33 am ] |
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Hi Ron is the neck taper and Mortice/Dovetail cut ? if it is not you could remark it centered on the truss rod slot, I do mine when the necks are still square blanks. if you have to have the slot off center unless you are profiling very tight you have enough meat there, but can you make the access to the adjuster work ? |
Author: | Joe Beaver [ Thu Feb 23, 2006 11:55 am ] |
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Is it a head plate adjuster? If so you probably will want it dead on. Sound hole adjuster and it won't make much difference it seems to me. |
Author: | peterm [ Thu Feb 23, 2006 1:25 pm ] |
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Ron, I made that mistake once, so I went ahead and bought a slightly wider truss rod(like a Martin style 2-way) and routed the slot back on center for the new rod! Works every time! ![]() Besides, you can always use the old rod for the next guitar! Hope that helps! |
Author: | old man [ Thu Feb 23, 2006 2:24 pm ] |
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Russ, that's a good idea. The neck has not been profiled, nor the tenon cut. The only problem here is that my peghead isn't wide enough, I'd have to add one ear, I guess. Joe, it is soundhole adjustment. A wider rod would work, too. I was just considering whether adjusting the rod, with it not being dead center, would introduce a skew to the neck. I wasn't even considering it throwing the neck atteching point off center of the body. I appreciate your input, fellows. Serge, I guess I couldn't see it very well through my bifocals either. Peter, how deep is the channel needed for that Martin style Rod? Ron |
Author: | Howard Klepper [ Thu Feb 23, 2006 3:41 pm ] |
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Don't worry about it. |
Author: | Daniel M [ Thu Feb 23, 2006 3:47 pm ] |
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What Howard said! |
Author: | Mattia Valente [ Thu Feb 23, 2006 8:01 pm ] |
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1/32" off-center? That's less than a mm. What Howard said. Don't worry about it. |
Author: | L. Presnall [ Fri Feb 24, 2006 1:14 am ] |
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My ruler doesn't even READ 32nds! ![]() |
Author: | old man [ Fri Feb 24, 2006 2:33 am ] |
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I'm not going to worry about it. Great advice. Actually, after thinking about it for a while, it really won't make any difference. I can center the neck as planned and drawn, and if the slot is off a hair all I really need to do is compensate at the adjustment hole in the neck block. Thanks all Ron |
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