Go to the hardware store and buy an appropriate sized "O" ring that can be
cut to the proper size. This material is flexible enough to install, yet
not so hard that it "clicks". It is impervious to petroleum products and
will last forever. I just purchased a Yamaha Triple horn for my son that had
the same problem. I changed to the "O" ring material and it works fine.
The material I use is called "buna N". If you have an industrial rubber
supply store in your town, you can even by it in sheets. This material and
a variety of other materials is available online from McMaster-Carr.
http://www.mcmaster.com/
They cary just about every type of material you can imagine. They also have
lots of information about the hardness of the different materials and their
resistance to chemicals. Here is their explanation regarding hardness:
Durometer is the international standard for measuring the hardness of
rubber, plastic, and most nonmetallic materials. The hardness of a material
is its resistance to surface penetration. Harder materials have more wear
resistance, but they are also less flexible. Note that an object may fall
within more than one scale. For example, a typical shoe heel is 95 Shore OO,
70 Shore A, and 22 Shore D durometer.
They have a very cool chart that compares the numbers to common materials.
Good luck,
Luke Zyla
2nd horn, WV Symphony Orchestra
www.wvsymphony.org
----- Original Message -----
From: "Tim Kecherson" <[EMAIL PROTECTED]>
To: "Hornlist" <horn@music.memphis.edu>
Sent: Sunday, February 03, 2008 4:55 PM
Subject: [Hornlist] Valve Corks
As I mentioned in a previous post, I have a 1970 Conn 8D. Instead of having
corks, it has rubber/plastic cylinders where the corks go. However, these
click when I finger the notes, and the valves are not aligned because of
them. Since I am under 21, I cannot very well go out to the local liquor
store and buy a bottle of wine or champagne for the cork. Where would I be
able to get a cork for my horn? The local music shop does not carry them.
Thank you very much!
--
Tim
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