Dealing with bridge damage.

[A440A at aol.com]

Andrew writes:

<<  I guess a regular high bond wood glue will 
do the job of bonding in the new wood and a file and razor to level 
everything again without having to de-string everything and pull all 
the bridge pins for a plane. >>

Greetings, 
     It is worth remembering that everything between the string and the ear 
affects the sound.  Every joint, glue line, and additional pieces between the 
string and the soundboard will have an effect.  When energy is required to move 
through different substances, it always loses something, so the most direct 
route is the most efficient.  The less things there are to absorb energy in 
this train, the better.   A soft glue, like Sobo, or PVC-E, would be a terrible 
thing to glue a bridge down with, and it will even show a difference if it is 
used to glue hammers on.  
    Some damping is required in this entrainment, otherwise, I think we would 
be seeing metal bridges and soundboards. They have been tried, but as far as 
I know, nothing works like wood. 
Regards, 

Ed Foote RPT 
http://www.uk-piano.org/edfoote/index.html
www.uk-piano.org/edfoote/well_tempered_piano.html