high humidity (was tapping strings)

[Michael Jorgensen]

Ron,
    If the bridge were most of the cause,  why does the low tenor go so far
sharp?  It seems to me that if the bridge uniformly grew taller, the
shorter/higher strings should change most?
-Mike

Ron Nossaman wrote:

>
> When a bridge swells and pushes the string up the angled pins, the string
> must take a longer path between pins, raising tension, therefor pitch. How
> much of the pitch change associated with humidity swings is from soundboard
> rise and fall, and how much from bridge dimensional changes?
>
> Ron N