Klarinet Archive - Posting 000697.txt from 2003/03

From: GrabnerWG@-----.com
Subj: [kl] Lengthening mouthpiece tenon.
Date: Tue, 18 Mar 2003 10:19:25 -0500

In a message dated 3/18/2003 12:58:19 AM Eastern Standard Time, cuthbert@-----.org writes:

> ). Does anyone know if it's possible to lengthen the joint on a mouthpiece, or any other way to make a connection more stable when you're only using half the cork you normally would.>>

1. Cut a cylindrical section of delrin to the length you want to add (leace some extra for a small tenon socket.
2. Using a lathe or drill press, bore the delrin to the correct bore size.
3. On the lathe, turn the outer diameter to size (you do the bore first, then the outside to make sure they are concentric.
4. To add strength to the assembly, cut a small tenon socket in the section to be added, and a small tenon on the existing mouthpiece tenon, matching the paryts carefully - no gaps!
4. Glue the parts with super glue.
5. Smooth out any imperfections in the bore of the mouthpiece.
6. Cork the new section. (Or use an "O" ring in a groove, or glue on teflon).
7. For appearance sake, mill another section of delrin to cover gap between the mouthpiece and the barrel. This would add strength and stability as well.
8. Test

It's possible. Couple of hours work to get it right.

Walter Grabner
www.clarinetXpress.com
clarinet repairs and restorations
hand crafted mouthpieces

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