[pianotech] An alternative to cutting the balance rail punching; was best way to change touch on Yamaha grand

David Stanwood stanwood at tiac.net
Thu Feb 11 11:59:41 MST 2010


David,

I've seen this done on a Clementi piano...  c1812

I still like the veneer method best:

http://server2.goffgrafix.com/~stanwood/RatioShim.htm

least invasive.. most reversible...

David S

>I was thinking about this procedure and it occurred to me that you 
>could simply rout out a shallow "u" shape right in front of the 
>balance rail hole on the bottom of the key.  <snip>
>David Love
>www.davidlovepianos.com


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