Author: ohsuzan
Date: 2007-10-31 00:08
I think it's because in a leaky instrument, the air doesn't go where it is supposed to go -- it goes out the leaky places, instead, making it so that you have to blow way more air to get anything close to the effect that you would normally get when the instrument is in good adjustment.
I hope someone who understands the physics of this (Chris P?) better than I do will comment: Why are leaky instruments so much harder to blow?
Obviously, the pipe is open at the bottom, so the air is flowing through it; but also obviously enough, the length of the pipe (or of the air column in the pipe?) is altered by the addition or subtraction of fingers covering holes. When something is leaking, it upsets that equation, things don't vibrate right, and for some reason, it gets hard to blow.
The same thing happens on clarinets.
(Sorry, my science isn't up to snuff!)
Susan
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