[pianotech] key bushing problem

[David Ilvedson]

Bill has them.   They are double sided cauls just shaping the mortice with nice clean sides and soaked in hot hide glue which the next hot hide glue with cloth will really grab onto.   I have all one sided cauls, but am going to upgrade to double side final cauls.   I don't trim the bushing cloth on the balance rail and leave the cloth glued on to the top of the key button, ala Kawai.   

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "David Nereson" <da88ve at gmail.com>
To: pianotech at ptg.org
Received: 1/26/2010 10:21:30 PM
Subject: Re: [pianotech] key bushing problem


>What are mortise sizing cauls?  And yes, I have only 3 
>thicknesses of cloth.  Didn't know there were any more.
>    --D.N.

>----- Original Message ----- 
>From: "John Formsma" <formsma at gmail.com>
>To: <pianotech at ptg.org>
>Sent: Tuesday, January 26, 2010 8:30 PM
>Subject: Re: [pianotech] key bushing problem


>> David, I'd say you need a thicker cloth. However, it sounds as 
>> if you have
>> only three different sizes. (Thin, medium, and thick. ??) You 
>> might need a
>> larger variety of thicknesses. Are you using the mortise 
>> sizing cauls?
>  >