[pianotech] Over damper-Birdcage -conclusion

Tom Driscoll tomtuner at verizon.net
Thu Sep 24 07:01:07 MDT 2009


List,
   Follow-up to my earlier posting about service on an English over damper piano.
I seldom service these so this experience may be atypical . 
The block on this could not have been more stable. This may have been more like the German versions of  these pianos than the typical English that Joe G has described.
I had described the pitch raise without the damper assembly in place in an earlier post. After fitting keys and minor action repair and  regulation I also tuned before installing the assembly.
 I strip muted the entire scale and pushed the strip tight against all three strings and between all the unichords in the bass. Essentially all the strings were muted and I had lots of room to operate.
 I tuned unison by unison with the accutuner reinserting the strip against the tuned strings as I went. Now this was a strictly machine tuning with out aural checks but ended up very acceptable. 
Without much experience with these pianos I might be off base here, but R and R on the damper assembly  was quite easy. 
As Joe G mentioned once the thing was in tune the damping was pretty good.
Certainly  it had more "leakage " than a modern piano but it was not the wall of noise I had feared- expected. 
 So happy customer , happy technician and a playable piano. 
 Thanks for your collective advice,
Tom Driscoll
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