skylakeboatworks_at_yahoo.com wrote: > > Crazy question: > > I was working on my kayak. The music was on. Loud. I was singing. (Good > thing there was no one around.) I noticed that my kayak resonated to a > sympathetic pitch. I hummed into the fore hatch and it resonates back. I > hummed into the aft hatch and it resonated back at a different frequency. Is > it possible to determine the volume of a space by the resonating frequency? > (...maybe the polyester resin is getting to me...) Not easily. Straightforward mathematical models to relate resonant frequency to volume exist for tubes of uniform diameter (e.g., organ pipes), but a yak has a highly variable cross section. Should be possible to take a semiempirical approach, though, by measuring the volume of a couple yaks having similar profile to yours and their resonant frequency. But, it *is* good to resonate with your yak. Who knows what sort of synergy you might generate! Hmmmm ... not sure what sort of response the ladies would give to the line "... may I resonate with your kayak?" I wouldn't try that, Marvin. -- Dave Kruger Astoria, OR chemist, but not normally a kayak resonater *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Sun Feb 18 2001 - 17:54:11 PST
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