bridge pin angles

Phillip Ford fordpiano@earthlink.net
Mon, 25 Apr 2005 07:27:04 -0700


>>This is simply incorrect.  True enough when a soundboard and bridge 
>>become so damaged that there is no positive bearing, or that 
>>bearing is lacking relative to some portion of the bridge surface, 
>>then seating becomes a very temporary fix.... increasingly so with 
>>the amount of damage. But this does not cover the cases when 
>>strings need seating despite positive bearing all around.
>>
>>RicB
>
>If humidity increases and the bridge moves up and the string does 
>not, then the cap will be crushed locally by the pin.

On rereading this I see that I've got unintended wording here.  I 
intended to say 'the cap will be crushed locally by the STRING at the 
pin'.

Phil Ford


>   When the humidity decreases then the cap will move back down and 
>once again the string will not.  So there will be a gap between the 
>string and the bridge cap at the edge of the notch, even if 
>downbearing is positive.  So, you have a case where the string needs 
>to be seated despite positive downbearing.  I don't see why this 
>case isn't covered.
>
>Phil F

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