Pinning on new flanges

Avery Todd avery@ev1.net
Tue, 24 Aug 2004 20:44:09 -0500


Wasn't it Rick Baldassin who said that more power could be had with a
pinning in the 4-5 g. range?

Avery

>    As to "power",  we "Jolly" well know that there is a loss of power and
>tone when the hammer flange is too loose, so I suggest that power will suffer
>with looser pinning, (up to a point). The tighter pinning is of major 
>effect on
>softer playing, since under a very hard blow, the felt in the bushing is
>distorted enough so that only one side of the bushing is really in firm 
>contact,(on
>a hammer flange, it is the upper part of the bushing that is taking the 
>load).
>  When the bushing is thus distorted, its friction from the circular
>compression that we see in static testing is greatly reduced.
>Regards,
>
>Ed Foote RPT
>http://www.uk-piano.org/edfoote/index.html
>www.uk-piano.org/edfoote/well_tempered_piano.html
>
>_______________________________________________
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