Renner "Turbo Wippens" ?

[David ilvedson]

As I understand it the springs reduce the weight of the wippen 
or make it lighter for the key but doesn't this adversely affect 
the upweight?

David ilvedson, RPT
Pacifica, CA

> From:          A440A@AOL.COM
> Date:          Sat, 10 Oct 1998 22:46:39 EDT
> To:            pianotech@ptg.org
> Subject:       Re:  Renner "Turbo Wippens" ?
> Reply-to:      pianotech@ptg.org

> Rich asks:
> > What is the
> >list's opinion on them - looks like for certain pianos it will do the trick. 
> 
> Greetings, 
>    I don't know about the list's opinion, but mine is that the additional
> spring will allow an action to be biased toward a lighter feel, but if they
> are used in an attempt to correct geometry problems, the piano will still feel
> unresponsive. 
> Regards, 
> Ed Foote
> 
> 
David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net