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Subject: Metal Detector Coil Design

Date: 09/02/99
Posted by: Paul
E-mail: pdyoung78(at)my-Deja(dot)com(no spam)
URL: http://

Message:

I am designing a metal detector. I have no idea how to design the transmitting coil. I would be very grateful if anyone could give me an idea on the properties of average metal detectors used to find gold. My current ideas are that the diameter of the coil should be about 20cm (8"). How many turns in the coil should I have? My current thoughts are about 25. Is this reasonable or way out? * What power do most coils dissipate? * References to tech. info. of current designs would also be appreciated.

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