[CAUT] Oh WimBlees, you isn't off da hook!

[Willem Blees]

Quoting Robin Blankenship <tunerdude at comcast.net>:

> Wim,
> 
> Any possibility that the hardness of the knuckle could contribute a
> bit to 
> the bounce???
> 
> Robin Blankenship
> 

Good question. 

Wim 

> 
> ----- Original Message ----- 
> From: "Willem Blees" <wblees at bama.ua.edu>
> To: "College and University Technicians" <caut at ptg.org>
> Sent: Monday, December 11, 2006 10:13 AM
> Subject: Re: [CAUT] Oh WimBlees, you isn't off da hook!
> 
> 
> > David
> >
> > Thanks for reminding me. Because of some scheduling conflicts, I'm
> > working on it this Friday afternoon.
> >
> > But in addition to doing the wippens on the Concert Hall Steinway,
> > I've been looking at other grand pianos, and found that most of
> them
> > have bobbling hammers, to some extent. I think this summer I will
> > spend a considerable amount of time evaluating and correcting
> wippens.
> >
> > During the first part of this thread, someone wrote a list of all
> the
> > possible reasons a hammer could bobble. Whoever that was, could
> you
> > post it again. The information could make for a nice article.
> >
> > Assuming the regulation is correct, one of the problems with
> making
> > the "perfect" adjustment to the wippen is that there are too many
> > variables which are almost impossible to measure. For instance,
> the
> > touch. How soft can we hit the key and expect the hammer to check.
> > Then there is the curvature and roughness of the hammer tail and
> the
> > rake and roughness of the back check. The strength of the spring,
> and
> > the condition of the spring groove can also have an impact. The
> only
> > thing we have control over is the gram resistance of the
> balancier.
> >
> > Am I missing anything?
> >
> > Wim
> >
> >
> > Quoting David Skolnik <davidskolnik at optonline.net>:
> >
> >> Hey Wim -
> >> Just a friendly reminder.  Have you had a chance to look at the
> piano
> >> yet?
> >>
> >> David Skolnik
> >>
> >>
> >>
> >> At 08:58 AM 11/15/2006, you wrote:
> >> >Since this thread got started with wippens, I want to report that
> I
> >> am
> >> >not going to be able to do the work on the balanciers on the D
> >> until
> >> >Dec. 7. I will give a report once I'm done.
> >>
> >>
> >
> >
> > Willem Blees, RPT
> > Piano Tuner/Technician
> > School of Music
> > University of Alabama
> > Tuscaloosa, AL USA
> > 
> 
> 


Willem Blees, RPT
Piano Tuner/Technician
School of Music
University of Alabama
Tuscaloosa, AL USA