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Chuck Tweedy's adventure on the dark side

Please put your pickup/wiring discussions in the Electronics section; and put discussions about repair issues, including "disappearing" errors in new instruments, in the Repairs section.

Re: Chuck Tweedy's adventure on the dark side

Postby Chuck Tweedy » Sun Apr 16, 2017 10:35 pm

sorry yea ... potty mouth. musta been reading ellies posts on fb and got swept up in it. my bad
anyhow...
it is this baby from LMI
There is some tension on it, but not a lot. Only enough to maintain correct relief. At that tension, it appears there is a sympathetic resonance of the rod itself that kills the note. The strange thing (which I tried to get across before) is that when the instrument is played on its back, the effect of gravity must bow the rod down ever so slightly and it audibly vibrates agains something inside the channel - I assume it is the back wall - at the same note. Pretty good evidence that that rod is the culprit.
My fix would be to remove the FB, and:
* damp the rod with something that still allows it to turn. Foam basically, or
* replace the rod with a compression rod - which is my preference

It's really not a horrible effect, so the customer is opting to do nothing. I can fix it if he wants.
Likes to drink Rosewood Juice
Chuck Tweedy
 
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Re: Chuck Tweedy's adventure on the dark side

Postby Brian Evans » Mon Apr 17, 2017 8:12 am

You could fix the buzz by drilling a hole through the neck around from the back around the middle of the truss rod, and glue in a dowel that is grain-matched to the neck wood that rests or pushes lightly on the truss rod. You could hide the dowel almost completely and the truss rod would still work fine. I seem to recall that Fender had a screw in the middle of some of their truss rods.
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Re: Chuck Tweedy's adventure on the dark side

Postby John Kingma » Thu Apr 20, 2017 8:25 am

Really nice looking guitar Chuck
John Kingma,
Builder of Fine Sawdust & Expensive Kindling
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