 The Oboe BBoard
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Author: Chris P
Date: 2018-12-24 19:53
Attachment: corkpads.jpg (171k)
Oboes generally use cork pads which have to be ground to create a smooth and flat face to seat against the toneholes as well as being made to the ideal thickness and installed with shellac, but the toneholes have to be absolutely flat and free from any defects for them to seat against them with no leaks. The cork has to be of the highest quality with no pores or lumps in it.
Some use skin pads in some places, but cork pads are far better generally. You can use leather pads in the three largest pad cups which more and more makers are doing now as they're much harder wearing than skin pads.
See attachment - someone repadded this oboe (Orsi) with cork pads cut from sheet cork. That's an absolute no-no as none of the pads were airtight even though some of them did test well using a feeler gauge, but air leaked through the pores in the cork making this oboe unplayable and it needed a complete overhaul to get it playing easily and right down to low Bb which it barely played below G# before.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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2018-12-24 18:17 |
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Chris P |
2018-12-24 19:53 |
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