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The Basement
Why did I piss off the headline drummer?
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<blockquote data-quote="John Roberts" data-source="post: 98034" data-attributes="member: 126"><p>Re: Why did I piss off the headline drummer?</p><p></p><p></p><p></p><p>You mean like this <img src="http://www.resotune.com/circle11.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Heres a good link with equations for the vibrations of a "theoretical" drumhead, with rigid rim edge node, <a href="http://www.kettering.edu/~drussell/demos.html" target="_blank">Dan Russell's Acoustics and Vibration Animations</a></p><p></p><p>In the real world drums are more sloppy than that (or they wouldn't be so sensitive to lug tension mismatches), plus you have the coupled mass of the two heads interacting, not to mention that they are coupled both together by a drum shell with resonances of it's own, and a captive air column between the two vibrating heads, several moving parts. </p><p></p><p>I read the one book I found on the subject "Science of Percussion Instruments" by Thomas D Rossing and it's not going to hurt me if I drop it on my foot. </p><p></p><p>JR</p><p></p><p>[edit- sorry I don't mean to spam the list with a bunch of drum tuning promotion... Most of the stuff I've posted is at the first "about drums" link i posted /edit]</p></blockquote><p></p>
[QUOTE="John Roberts, post: 98034, member: 126"] Re: Why did I piss off the headline drummer? You mean like this [img]http://www.resotune.com/circle11.gif[/img] Heres a good link with equations for the vibrations of a "theoretical" drumhead, with rigid rim edge node, [url=http://www.kettering.edu/~drussell/demos.html]Dan Russell's Acoustics and Vibration Animations[/url] In the real world drums are more sloppy than that (or they wouldn't be so sensitive to lug tension mismatches), plus you have the coupled mass of the two heads interacting, not to mention that they are coupled both together by a drum shell with resonances of it's own, and a captive air column between the two vibrating heads, several moving parts. I read the one book I found on the subject "Science of Percussion Instruments" by Thomas D Rossing and it's not going to hurt me if I drop it on my foot. JR [edit- sorry I don't mean to spam the list with a bunch of drum tuning promotion... Most of the stuff I've posted is at the first "about drums" link i posted /edit] [/QUOTE]
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