capo noises

[Dennis Johnson]

At  8:31 PM 3/26/95 -0700, Wippen@aol.com wrote:
>
>I was surprised that no one mentioned that a significant reason for these
>unwanted sounds is the lack of sufficient angle of the string as it passes
>under the capo and rises toward the upper string rest. We all know that if
>this angle is too severe,tuning and stability problems will result (witness
>that un-tunable monster,the Steinway upright) ,not to mention the high
>probability of string breakage and other gremlins.But, if that angle is too
>small,I have observed that the capo section of the string *will* "zing and
>jangle" Could it be that the speaking lengths vibrations are "leaking
>through", causing its capo section string partner to vibrate..........


________

        You will find that the ideal bearing angle of string deflection
from the bar to the duplex string rest in the treble section is not less
than 17o and not more than 22o.

Dennis Johnson
St. Olaf College
johnsond@stolaf.edu