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MMD > Archives > April 2005 > 2005.04.26 > 07Prev  Next


Duo-Art Valve Flow Measurements
By John A. Tuttle

Hi All,  Within a few days I'll be posting a new article by Craig
Brougher at Player-Care that should put to rest the argument that cross
valves were ever a good idea.  However, for the time being, I'd like to
direct readers to some previous postings in the MMD Archives concerning
Duo-Art valve flow measurements.  See

  http://mmd.foxtail.com/Archives/Digests/199711/1997.11.19.17.html
  http://mmd.foxtail.com/Archives/Digests/199711/1997.11.20.09.html

What always concerns me is the future, not the present.  I have
encountered too many situations (some of my own making) where a product
or technique worked great for awhile, only to cause a problem within
a few short years.

One of the beauties of the MMDigest is that we have the opportunity
to openly discuss these sorts of problems and come to some sort of
a resolution concerning how they might be avoided in the future.
Cross valve plates are a glaring example of an idea that, on the
surface, seemed extremely good.  However, unless the instrument into
which they are installed remains stationary for its entire life,
they are, because of the way they were designed, problematic.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA


(Message sent Tue 26 Apr 2005, 22:57:20 GMT, from time zone GMT-0400.)

Key Words in Subject:  Duo-Art, Flow, Measurements, Valve

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