Pianotech Digest, Vol 1276, Issue 119

[george bartlett]

Ben,

I have had the same experience  with turned front rail pins. The immediate
response appears to give excellent results, the key does feel tighter,nicer
to play and the keys are nicely spaced. However, my experience has been that
after some time these keys started  to stick,  humidity must have  come into
play here and I ended up putting the pin back basically to where it was.
Maybe a new set of key bushings would have been the safest fix.

 

Regards

George

Piano Tech . NL, Can

 

Keep That Piano Tuned UP.........

 

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Ben J
Sent: Thursday, June 22, 2006 11:00 PM
To: pianotech at ptg.org
Subject: Re: Pianotech Digest, Vol 1276, Issue 119

 

"Is there a down side to this. Am I missing something? 

Tom - If you are going to turn front rail pins to take up slack in a worn
key bushings I would suggest leaving the key with just a little more slack
than you would normaly like to feel. I have traced the cause or more than
one sticking key to a turned front rail pin, ( some of which I have turned
myself). Sometimes for what ever reason the bushing tightens up on the
turned pin after you leave the house of course and the key starts sticking.
Just a thought- Ben E Johnston  RPT  

 

 

 


   _____  


From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Tom Sivak
Sent: Thursday, June 22, 2006 10:31 AM
To: pianotech
Subject: twisting front rail key pins

 

List


I've always been told, "Don't twist the front key pins to eliminate side
motion on keys that have the key bushings worn out."  And I've always
accepted that.

 

Last week I was at a composer/friend's house.  He has a 1930s Kimball grand,
really worn out.  I did a full regulation on the piano, and he didn't want
to pay for new key bushings, so I twisted them, and the difference is
wonderful.  No side play on the keys, feels like a million bucks.

 

Now I understand it would be unethical to do that to a piano and then sell
it, hiding a problem, but what's wrong with improving the play of a piano by
doing the same?  Sure, it may accelerate wear on the bushings, but the
bushings are worn out now!  They need replacing already.  All this does is
extend the deadline and make the piano play much better until D Day comes.

 

Am I missing something?  What's the down side to this?

Tom Sivak

Chicago

  

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