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

[Willem Blees]

Quoting Jeff Tanner <jtanner at mozart.sc.edu>:

> 
> On Dec 11, 2006, at 10:13 AM, Willem Blees wrote:
> 
> > 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
> 
> The overall length of the hammer, friction of the hammershank  
> pinning, height of the backcheck, depth of keydip, relative humidity 
> 
> and the phase of the moon.
> 
> Jeff

With the exception of the phase of the moon, and even that can be 
detirmined, all of the above can be measured. 


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