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MMD > Archives > March 2003 > 2003.03.24 > 09Prev  Next

Longevity of Bellows Cloth and Rubber Tubing
By John A. Tuttle

Hi All,  In a comment, Robbie Rhodes wonders why some materials last
so much longer than others.  In my experience I've found that the
environment in which the instrument 'lives' has a lot to do with the
longevity of the soft materials inside the instrument.

Although I have no hard evidence to support this, I've found that units
that spent the majority of their early life in homes with coal-fired
heaters fair the best.  Such units are easy to identify because of all
the black coal dust inside.  I've also found that units which lived
with 'heavy smokers' are in good shape even though they're 80+ years

What this leads me to think is that an environment (air) that is
'rich' in oils is better for a player piano than an environment that
has 'clean air'.


John A. Tuttle
Brick, NJ, USA

 [ That's a good observation, John; maybe the oil coating
 [ reduces evaporation of the plasticizers, or maybe it aids
 [ the plasticizers.  -- Robbie

(Message sent Mon 24 Mar 2003, 12:33:36 GMT, from time zone GMT-0500.)

Key Words in Subject:  Bellows, Cloth, Longevity, Rubber, Tubing

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