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

[Willem Blees]

Quoting Paul T Williams <pwilliams4 at unlnotes.unl.edu>:

> I think a hard knuckle would make more of a click than a bounce. But
> it 
> could bounce, I suppose...
> 
> Paul
> 

Paul

That's a good observation. But does the consistency of the leather 
have an effect on a bobbling hammer? 

Wim 


> 
> Willem Blees <wblees at bama.ua.edu> 
> Sent by: caut-bounces at ptg.org
> 12/11/2006 02:27 PM
> Please respond to
> College and University Technicians <caut at ptg.org>
> 
> 
> To
> College and University Technicians <caut at ptg.org>
> cc
> 
> Subject
> Re: [CAUT] Oh WimBlees, you isn't off da hook!
> 
> 
> 
> 
> 
> 
> 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
> 
> 
> 


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