sluggish centers

gordon stelter lclgcnp@yahoo.com
Mon, 15 Nov 2004 02:02:16 -0800 (PST)


I think it has to do with the fact that the hammers
are swinging in an arc while in a  vertical position.
There is a lot of inertial mas to overcome. All the
other centers are aided linearly by gravity and/or
springs.
     Thump


--- Dave Nereson <davner@kaosol.net> wrote:

> 
> ----- Original Message ----- 
> From: "gordon stelter" <lclgcnp@yahoo.com>
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Sunday, November 14, 2004 5:31 PM
> Subject: Re: sluggish centers
> 
> 
> > Because all of those other centers are under
> enough
> > weight/spring tension to oppose whatever binding
> there
> > is in the flange.
> >     Thump
> 
>     Maybe with the dampers, if the damper springs
> are quite strong.  But say 
> another flange in the action were as tight as a
> hammer flange that allows 2 
> swings or less -- wouldn't that be tight enough to
> keep a wippen or sticker 
> tongue from returning?  --David Nereson, RPT 
> 
> 
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> 



		
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