Wurzen felt

[jason kanter]

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So please allow me to confirm my understanding of this.
  1.. There are several (at least two) grades of Wurzen felt. These include
"regular", which has itself varied in quality over the past 14 years, and
the recent "AA" Wurzen felt, which is so beautiful that Andre's visual
cortex is reminded of delicious foodstuffs.
  2.. The manner of hammer manufacture -- how it is pressed and what shape
it is pressed into -- also come into play here. Ronsen and Renner use
different processes? Do other manufacturers also use Wurzen felt?
  3.. Therefore there may logically be at least 4 permutations of Wurzen
hammers, perhaps more, and we will need to be aware of exactly what we are
using and why.
Am I off base here?

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Jason Kanter . piano tuning regulation repair
jkanter@rollingball.com . cell 425 830 1561
serving the eastside and the san juans
  -----Original Message-----
  From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
Behalf Of antares
  Sent: Monday, October 11, 2004 12:16 PM
  To: Pianotech
  Subject: Re: Wurzen felt



  On 11-okt-04, at 3:52, David Love wrote:

  One thing I’ve noticed, which seems somewhat contrary to how Andre
described the felt, is that the Wurzen he talked about supposedly had this
sort of yellowish, off white color.  The Premium Blue doesn’t seem to have
that—at least the one set that I have in stock.  Are there possibly
different grades of Wurzen?  The felt that Ray at Ronsen is using has a
somewhat different color than the Premium Blue and the pressing is also a
different shape—more small-end-of-the-egg like (which I prefer) and less
round.  I also find the Premium Blue a difficult hammer to file.  While I
only have one set of Ronsen Wurzens which I’ve only experimented with, I
haven’t found the same filing problem.

  David Love,
  There is basically the so called 'regular; Wurzen, which has been
developed over the last 14 years.
  In the beginning of this development, this felt was kind of coarse
looking, like the VFG felt Abel uses.
  Then, about 5 years ago, it was bingo time because the Wurzen felt had
become more mature and was actually really good.
  There were of course some minor points, like some sections being a little
hard or a little soft, but that is a matter of controlling the pressure,
needed to glue the hammers.
  Today, those very same (Renner) hammers are far more consistent in their
overall pressure because of the (Renner) machine I was talking about.
  Then, not long ago, there suddenly was the Wurzen AA quality. This felt
has been far more 'interlocked' and likewise is a little more dense.
  It also looks different because one should compare it with the difference
between a real nice shawl and a real Kashmir shawl.
  It not only looks different, it feels different and sounds different too.
  The regular quality looks like fine felt and slightly yellowish, the AA
quality looks more creamy, like nice looking whipped cream or like the cream
on a fantastic real Italian 'Capucci' .

  I enclose again that nice pic of our first Bechstein prototype because
that felt makes you wanna eat it :
  I hope sending this pic does not create a problem.


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