[CAUT] (no subject)

[David Ilvedson]

The coils need tightening up, for one thing...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Jim Busby" <jim_busby at byu.edu>
To: caut at ptg.org
Received: 5/21/2009 11:44:15 AM
Subject: [CAUT] (no subject)



>Hi Alan,

>I think you're right. I also think that my felt was too thick and presses too much, 
>furthering the problem. See the attached picture.

>I'd like to see a picture of the brass. Please!!

>Regards,
>Jim



>-----Original Message-----
>From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Mccoy, 
>Alan
>Sent: Wednesday, May 20, 2009 10:44 AM
>To: CAUTlist
>Subject: Re: [CAUT] M&H "A" stability

>Hi Jim,

>If it is anything like the BB I rebuilt a couple years ago, it is the extreme 
>counterbearing angles. This BB is from the 70s, you know the ones where the angle 
>is over 30 degrees?!! I ground the plate as much as I could to lower the angle, and 
>in the capo sections to reduce the duplex length.
>The piano has always been a bear to tune. Now it is less of a bear, but there is one 
>section still that is exhibiting the symptoms you describe. The upper two capo 
>sections are fine, as are the agraffe sections, but that first capo section, where 
>most pianos have agraffes, is the problem now. I ground that section down as much 
>as I dared (the plate was pretty thick
>there) but the angle is still more than I'd like. I put in a brass half-round bearing 
>there to take the load instead of felt, and that helps too. Just needs more help. I go 
>over that section several times each tuning.
>I'm hoping one of these days it'll settle down.

>I have some before and after pictures at home. If you are interested, I'll send you 
>some.

>Alan