Bridge Seating (was Re: Where to notch a bridge, & relative effects ????? (Advice sought)

[Joe And Penny Goss]

Hi,
With all the discussion of seating the strings it seems that there is never
much discussion of what over aggressive seating does to the sound. Since I
do not know would someone please discribe the negative tonal effects?
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "David Love" <davidlovepianos at comcast.net>
To: "'Pianotech List'" <pianotech at ptg.org>
Sent: Friday, September 08, 2006 10:01 AM
Subject: RE: Bridge Seating (was Re: Where to notch a bridge,& relative
effects ????? (Advice sought)


> Crushing the edge of the notch by either tapping down on the bridge too
hard
> or because the cap is too soft to begin with will create a bridge cap that
> is not flat and dips down and away from the pin.  Combine that with
> expansion and contraction of the bridge cap and the pressing of the string
> between the pin and cap during expansion periods and the shrinking of the
> cap during contraction periods will cause the string to unseat.  Pushing
the
> string down may temporarily seat the string back on the bridge.  However,
> with the edge crushed it is not likely to stay there and pushing down with
> your thumbnail is just as effective as tapping it down.  The difference is
> that you can exacerbate the problem by tapping too hard.  You are not
likely
> to do that with a gentle massage.  Either way, the string will not stay
> there for very long and more vigorous tapping will not help.
>
> David Love
> davidlovepianos at comcast.net
> www.davidlovepianos.com
>
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On
Behalf
> Of Ric Brekne
> Sent: Friday, September 08, 2006 8:18 AM
> To: pianotech at ptg.org
> Subject: Re: Bridge Seating (was Re: Where to notch a bridge,& relative
> effects ????? (Advice sought)
>
> I cant speak for others of course, but for myself I can say that I have
> done exactly all these things... <snip>
>
>
>