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 Re: Asymmetrical curve vs. Symmetrical curve
Author: Bob Bernardo 
Date:   2017-11-22 07:03

I think that people, refacers mouthpiece maker need to make symmetrical mouthpieces. It's a must.

I've looked at many mouthpieces that are said to be symmetrical mouthpieces and magnified them and there are bumps all over the place. For example the person refacing the mouthpiece has 4 or 5 gauges, known as "Feeler Gauges," to use and the glass. These are dead on square. But when you look at them under a powerful magnifying glass the rest of the cures are uneven and have bumps on the rails and also flat spots. This happens with machined faced mouthpieces as well. It is a special art to develop that curve. Most people cannot achieve it as well as the facing machines.

So it is often easier to say asymmetrical curves are better. This is just wrong. This is because the people just don't know how.

Let's take a moment and look at plastic reeds which are flat and do not warp. If the rails are off the plastic reeds will never vibrate correctly. Well this is the same with regular reeds. A lot of cane reeds are thrown out because of bumps and flat spots and uneven rails rails.

When I made reeds at Rico the rails on both sides of the reeds had to be within a 1/2 thousandth of an inch from side to side in the from and 2 thousandths in the back, about the thickness of a human hair. That's all. The rest of the reeds had to do with the quality of the cane.

So why would someone want an asymmetrical curve when the reeds are so delicate? Because they don't know how to put on a great symmetrical curve on a mouthpiece. The ones that do are true Masters.

These measurements stated above don't mean anything if the rest of the mouthpiece rails are uneven.

For example I use 18 gauges. Not 4 or 5. I also designed a special diamond dust cutting wheel to assure that the rails have no bumps, flat spots, or are uneven. The mouthpieces won't leave the place if they are not even. This process often takes hours. I often have to walk away from a mouthpiece and come back to it later, just from stress.


Designer of - Vintage 1940 Cicero Mouthpieces and the La Vecchia mouthpieces


Yamaha Artist 2015




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 Topics Author  Date
 Asymmetrical curve vs. Symmetrical curve  new
rizz7328 2006-09-12 21:27 
 Re: Asymmetrical curve vs. Symmetrical curve  new
GBK 2006-09-12 22:27 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Bill 2006-09-12 22:45 
 Re: Asymmetrical curve vs. Symmetrical curve  new
rizz7328 2006-09-12 23:09 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Gregory Smith 2006-09-12 23:14 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Tobin 2006-09-13 00:29 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Vytas 2006-09-13 01:09 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Gregory Smith 2006-09-13 02:06 
 Re: Asymmetrical curve vs. Symmetrical curve  new
shmuelyosef 2017-11-21 07:25 
 Re: Asymmetrical curve vs. Symmetrical curve  new
clarnibass 2006-09-13 05:07 
 Re: Asymmetrical curve vs. Symmetrical curve  new
David Spiegelthal 2006-09-13 14:13 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Bob Phillips 2006-09-13 15:04 
 Re: Asymmetrical curve vs. Symmetrical curve  new
BobD 2006-09-13 16:26 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Cuisleannach 2006-09-13 19:45 
 Re: Asymmetrical curve vs. Symmetrical curve  new
David Spiegelthal 2006-09-13 20:55 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Bill 2006-09-13 22:25 
 Re: Asymmetrical curve vs. Symmetrical curve  new
graham 2006-09-14 09:08 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Tony Beck 2006-09-14 20:05 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Cuisleannach 2006-09-15 04:44 
 Re: Asymmetrical curve vs. Symmetrical curve  new
donald 2006-09-15 09:19 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Wes 2017-11-22 00:12 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Bob Bernardo 2017-11-22 07:03 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Ed 2017-11-22 07:16 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Dan Shusta 2017-11-22 10:17 
 Re: Asymmetrical curve vs. Symmetrical curve  new
brycon 2017-11-22 19:12 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Mojo 2017-11-23 18:04 
 Re: Asymmetrical curve vs. Symmetrical curve  new
seabreeze 2017-11-23 22:22 
 Re: Asymmetrical curve vs. Symmetrical curve  new
Jarmo Hyvakko 2017-11-26 12:18 
 Re: Asymmetrical curve vs. Symmetrical curve  new
kdk 2017-11-26 19:15 


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