Re: Re: Re: Valve port blisters.


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Posted by Rick Denney on January 18, 2002 at 09:31:28:

In Reply to: Re: Re: Valve port blisters. posted by Duh... on January 18, 2002 at 09:22:46:

It's almost impossible to design a piston valve without the tubing through the pistons overlapping at some point or another. Where this occurs, the tubes have a flat spot to separate them. This has the same effect as a shallow dent in the valve knuckle. Look at all the tubes through the pistons on your tuba, and you'll see one or two that have bumps in them. Those are the blisters that Matt is talking about. If you don't have them, then tell us about your horn.

Rick "who has never seen a piston set without any of these bumps" Denney


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