MIMF

Yes the Sweet Music digest is still around but has reduced participation due to various Facebook groups. Thanks for the book reference. The problem for placing bracing, or shaving bracing on the finished instrument is there is limited access to where the area might be through the sound hole due to i...

Agreed, but if I don't get a definitive answer, I will have to take my chances. I think the odds of stiffening, or adding mass to the bridge area are with me considering the number of close to identical instruments I've built that did not have this problem...at least that's the optimist in me. I thi...

New Information - the problem is very specific to the note, I'd say narrow. From open D tuning, dAD, if I tune 20 Cents sharp or 20 cents flat, the problem disappears. So...now I know exactly what to do ! NOT. Perhaps the brass bridge pins will do the trick. Wouldn't that be nice.

Thank you Mr. Carruth, and all who have responded. I can’t figure out how to reply individually, so summerizing here. To Brian Evans , yes, I have built approx 150 instruments of this design and do try to be exacting in repeatability. This is Very rare to happen. I do not have the math or tech skill...

I've got a problem on a finished ready to ship instrument and need some help. No, it's not a guitar, but the mechanics are exactly the same, so posting here. I have been building high end fusion instruments for 40 years, Mountain Dulcimer with a guitar pin bridge, uncoupled from the fretboard staff....