John Delacour wrote: > Yes, that makes perfect sense, except that rather than say the "fork > changes length" I picture a longitudinal yoyoing of the whole fork > caused by the fluttering of the tines. Good enough, either way. > I'm still curious to know, though, what causes the differences in > relative volume of this mode according to the position of the fork on > the board. I'd say it's because the pulse is straight along the fork axis. Touch the side of the handle to the tabletop and the octave volume diminishes greatly. Ron N
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