Jeremy wrote:
"You can have whatever length of taper you'd like. It's the rate of
taper that's important. If the rate of taper of both the leadpipe and
the mouthpice are identical (which is an agreed upon standard), then
your mouthpiece could go in .1" or 2" and it won't make any
difference. That is of course as long as the end of the mouthpiece
and the venturi line up (which, if the rate of taper is the same, they
should)"
Jeremy,
The problem with this in practice, is that even though the mouthpiece
shank and the negative taper of the mouthpipe have the same rate of
taper, it does not mean they will line up.
When you have a certain rate of taper, the dimensions of two pieces
lining up are only similar if they are cut at the correct ( meaning the
same dimensional ) place.
You could theoretically have a mouthpiece with a 0 morse taper on the
shank and a mouthpipe with a 0 morse negative taper, and if cut in the
wrong place along the length of the taper, the mouthpiece might not
even fit into the mouthpipe-- even though they were both the same rate
of taper.
Paul
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