Tonight's Puzzler

[Farrell]

Hot, hot, hot, but no cigar.

TF
  
----- Original Message ----- 
From: "Tom Driscoll" <tomtuner@attbi.com>
To: "'Pianotech'" <pianotech@ptg.org>
Sent: Wednesday, March 19, 2003 11:53 PM
Subject: RE: Tonight's Puzzler


> How about the damper wires flexing against the spring rail ?
> Tom Driscoll
> 
> -----Original Message-----
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
> Behalf Of Farrell
> Sent: Wednesday, March 19, 2003 7:45 PM
> To: pianotech@ptg.org
> Subject: Tonight's Puzzler
> 
> Worked on an old upright (Adam Schaff - Chicago) tonight - better
> condition than most - 88 functioning keys, but still, 90 years worth of
> wear. While giving many of the keys firm blows while tuning I noticed a
> reverberation in the keys (maybe 25%-50% of them - some more than
> others) - a bobbling-like feel at the end of the keystroke. You would
> not feel anything abnormal on a light to medium blow. But on a hard blow
> it felt like something was dancing on the back end of the key at the end
> of the key stroke.
> 
> It took me a little while to figure it out. It was not the first (or
> second) thing I checked for. What was it?
> 
> Terry Farrell
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