>Hi Ron, > >So your *take* is that the bridge is rolling to some extent? And that the >uneven tail lengths cause the smearing of the unisons? Hi Don, No, my take is that the bridge is rising and falling with the soundboard crown with humidity swings. I didn't say a thing about bridge roll. The rest of it doesn't quite sum up in a sentence. Did you read my reply to John? The entire string length, all the friction points, and the proportions of one section to another, and the front scale (from the bridge) to the back scale, have to be taken into account. Ron N
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