Re: [Paddlewise] Vibrating Double (and Triple)

From: Dave Kruger <dkruger_at_pacifier.com>
Date: Sun, 09 Sep 2001 21:43:39 -0700
Harvey Golden wrote:
> 
> Dear Dave and all,
> I too have heard strange 'resonances' conveyed through the hull of a kayak.
> My brother's three-hole nylon-covered Kodiak baidarka emitted 'pops' and
> 'clicks' as a freighter passed us by on the Columbia River. [snip]

> Anyhow, I'm certain this is just a 'Columbia River thing', as Dave likely
> has also come to realize.

Yeah, it's the ghosts of long-dead gillnetters, moaning to be released from the
sediments the Corps of Engineers piled over their watery graves ... [insert the
Twilight Zone noise].

Can somebody do the calculation and find out what the natural frequency of
vibration would be for the cockpit cavity of a double?  I have not a clue --
certainly not a simple organ pipe shape!

-- 
Dave Kruger
Astoria, OR
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Received on Sun Sep 09 2001 - 21:44:34 PDT

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