Weird Pitch Drop

Michael Gamble michael@gambles.fsnet.co.uk
Fri, 23 Sep 2005 20:24:20 +0100


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Sounds normal. I have just finished tuning my S&S 'A' for the first time
following its restringing. Before I put the final semi-tone of tension on I
literally pulled all the Bass covereds so as to pre-stretch them - for just
the reason you describe, Alan. I just grasp those strings one-by-one and
pull them. Wearing gloves, of course! For the metals I borrow 

one of those pizza cutters with a peripheral groove from my wife which
....(she doesn't know about) :-)

Michael G.(UK)

 

  _____  

From: Alan Barnard [mailto:tune4u@earthlink.net] 
Sent: 23 September 2005 03:50
To: Pianotech
Subject: Weird Pitch Drop

 

 

Reinstalled a newly capped and repaired--cantilevered on an apron--bass
bridge today on a Solomon (? Chinese) upright.

 

After replacing the bass strings, I brought them up to roughly to pitch and
tuned them to pitch twice. The rest of the piano was then very close to
pitch, so I tuned on up, maybe 2 to 5 cents per string.

 

Then  I rechecked the bass and found it had dropped a fairly even 10 cents.
Retuned and all is well. BUT ... I panicked a little, thinking the bridge
had lifted or rolled or otherwise failed somehow. But no, everything looks
fine, no separation or anything.

 

Does that seem weird? Common? Normal? or what?

 

Alan Barnard

Salem, Missouri

 


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