Do you have an i-phone or other such MAC device?
If yes, then try this:
http://itunes.apple.com/us/app/decibel-meter/id289219810?mt=8
Otherwise a microphone with a preamp to an oscilloscope …
Jeff
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From:
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Ernest Christley <echristley@att.net>
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Subject:
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Re: [FlyRotary] Gotta Get muffled
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Date:
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Mon, 31 Oct 2011 13:23:31 -0400
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To:
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Rotary motors in aircraft <flyrotary@lancaironline.net>
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What would be the best/cheap way to get a sound intensity reading?
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