 The Oboe BBoard
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Author: JMarzluf
Date: 2012-01-28 17:02
This is a good question, and I'm sorry I didn't see it earlier!
While you are gouging cane, its fibers get compressed by the weight/force you are exerting on the machine. I always gouge to my desired thickness, let the cane dry out overnight, and then re-soak it and measure it again the next day. Depending on the inherent density of that piece of cane, those compressed fibers will "re-inflate" and the new measurement can be as much as .01-.04 mm thicker on day two! So, it's back to the gouger for another pass. After this second pass, the cane is usually stable enough that I don't have to re-gouge it a third time. So, in a way, I consider the first trip through the gouger as nothing more than "advanced pre-gouging."
The same concept applies when scraping a reed. We all know how a reed, the day after we make it, seems to have "gained weight" overnight. All of this makes for a great argument for the importance of a sharp knife (and gouger blade), which does more cutting than compressing because you don't have to press down as hard (though some compression will always occur).
By the way, I don't ever bother measuring dry cane, because I don't PLAY on dry cane. ;-) Cane of different densities will "shrink" at differing degrees/percentages when dry. This really doesn't concern me, as I always base my decisions on how the soaked piece is measuring/performing.
Hope this helps!
Jonathan
http://www.marzlufreeds.com/
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2011-10-23 18:36 |
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2012-01-28 15:09 |
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JMarzluf |
2012-01-28 17:02 |
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