1/2 punching

[David C. Stanwood]

>David - I have been off list for a few days, so please excuse the late 
>response to this thread.
>
>I believe the key balance point is an area that has often been overlooked 
>in regards action refinement.    For years I have been replacing the 
>thick, spongy balance rail punchings with thin ones made out of 1.0 mm 
>bushing cloth, for better regulation ease and stability, but especially to 
>cut down on energy loss at the key fulcrum through compression of the 
>balance rail punching.
>
>For almost a year I have been offering a new balance rail punching made 
>out of a higher density Crescendo felt (not cloth).  There is minimal 
>compression on these 1.4 mm (.056") punchings.  I have had nothing but 
>positive feedback from technicians. The cut-off punchings, (which I call 
>"Accelerated) cost $1.00 more per set, for those technicians who want to 
>try the effects of that old technique.
>More info at 
><http://www.pianofortesupply.com/cresbalpunch.html>http://www.pianofortesupply.com/cresbalpunch.html 
>Jurgen Goering


Thanks Jurgen,

In Rochester told me this was and "Age Old" technique or words to that 
effect.  What can you tell us of the History of this method from your 
experience?

David Stanwood