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 Re: staple to oboe: bad airflow?
Author: vboboe 
Date:   2006-08-14 23:13

... hm, does this diagram actually represent what the bottom end of tube does in the oboe's reed well? Doesn't the interior bore of the tube flow directly across the tiniest possible gap to the interior bore of the oboe at the bottom of the reed-well, rather than sit around the bore as shown in diagram (diagram might apply to E-horn though, but is it true for oboe?)

The thickness of the metal & cork sits on the reed-well ledge, but the insides (interiors) of metal tube and oboe bore line up?

... really interesting comment about 'leaky' fitting in baroque oboes, et al -- lots of tubes in my box have rounded off corks, so the thinnest edge of metal shows where it meets the reed-well and the cork veers off away from this edge, this surely provides a tiny air space around the tube so there isn't really an air-tight seal at the bottom of the reed-well after all

... and anyway, cork is porous, cork grease only coats a surface which is actually pitted with holes -- standard cork tubes are already 'leaky'

...am i correct with impression that the chudnow reeds are designed to reduce air leakage in the reed-well, and that's what improves overall sound quality for less blowing effort? (same general concept as leaky reeds)

... if Nissen really wants to streamline things a bit more, why not try xtra fine grit emery to sand the inside of reed cane before tying on? Sanding down the knife work changes the outside of a reed from a little bit rough on the lips to silky soft, so perhaps same concept can streamline airflow inside the reed?

... also in the interests of streamlining, when recycling tubes, check the bottom end of tube under mag glass to see if it's level or nicked, and maybe sand that if necessary?

... if there's a small chunk of cork missing at bottom end, conventional wisdom says chuck the tube, that's too much air leakage

-- should i save these useless tubes, will same tube stripped of cork work as E-horn reeds?

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 Topics Author  Date
 staple to oboe: bad airflow?  new
Nissen 2006-08-14 12:41 
 Re: staple to oboe: bad airflow?  new
d-oboe 2006-08-14 13:55 
 Re: staple to oboe: bad airflow?  new
ohsuzan 2006-08-14 14:00 
 Re: staple to oboe: bad airflow?  new
oboeblank 2006-08-14 14:41 
 Re: staple to oboe: bad airflow?  new
Ken Shaw 2006-08-14 15:28 
 Re: staple to oboe: bad airflow?  new
mschmidt 2006-08-14 19:00 
 Re: staple to oboe: bad airflow?  new
vboboe 2006-08-14 23:13 
 Re: staple to oboe: bad airflow?  new
Nissen 2006-08-16 10:01 
 Re: staple to oboe: bad airflow?  new
ohsuzan 2006-08-15 01:46 
 Re: staple to oboe: bad airflow?  new
vboboe 2006-08-15 07:46 
 Re: staple to oboe: bad airflow?  new
ohsuzan 2006-08-15 13:10 
 Re: staple to oboe: bad airflow?  new
Ken Shaw 2006-08-15 14:17 
 Re: staple to oboe: bad airflow?  new
vboboe 2006-08-15 17:35 
 Re: staple to oboe: bad airflow?  new
wrowand 2006-08-15 17:45 
 Re: staple to oboe: bad airflow?  new
wrowand 2006-08-16 11:54 
 Re: staple to oboe: bad airflow?  new
Nissen 2006-08-16 12:46 
 Re: staple to oboe: bad airflow?  new
mosh 2006-08-22 05:14 


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