Single Strings and bearing

Ron Nossaman RNossaman@cox.net
Mon, 17 Jun 2002 06:31:16 -0500


>The last six unisons on the tenor bridge are plain trichords.  Each is a
>different gauge: 18, 18 1/2, 19, 19 1/2, 20, 21.  Thus each unison consists
>of a bichord from one continuous piece of wire that goes around hitch pin
>and back to the tuning pin and one single string.  Because the wrap on the
>single string rests on the plate, it raises the core of the wire slightly so
>that if you measure the angle of inclination toward the bridge, it is
>running downhill from the hitchpin to the bridge.  Thus, if you measure the
>bearing based on the single strings in the unison, the bearing measures
>negative.  The overall bearing on the bridge is still positive when all
>strings are taken into consideration.  I am wondering if I might anticipate
>any problem, perhaps, from these single strings not seating properly.  Of
>course, the more I try to explain this, the more I'm inclined to just forget
>about it.  But if you have any comments, please.
>
>David Love

Ok, I got it that time. Will it be a problem? I don't know. Is there still
positive front bearing on the bridge on those tied strings? If so, you may
be all right, but I think I'd want some insurance by lowering the tail of
the plate a bit. That is, if the board has adequate crown. 

Ron N


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