Author: cairngorm
Date: 2008-06-18 16:02
The main reason for oboes and EH's cracking, I believe, is because of the relative thinness of the wood bore and the closeness of the holes drilled into it for the keyposts, finger holes, and keypad holes. Any disturbance of humidity in this area is a potential cause for cracking.
Bassoons do not have this configuration in general. What they do have, as the previous poster pointed out, is a tendency for the descending joints to collect moisture from being blown into, which over time, if moisture is allowed to stay in the joint, will cause cracks or separation in the lining of the wing joint and wood rot in the boot joint. Plastic bassoons do not have this problem, of course. Some manufacturers, notably Moosmann, line both sides of the boot joint rather than just the descending side, and this is supposed to eradicate boot joint wood rot.
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