oldrunner
Junior Member
The plans are located here http://www3.telus.net/chemelec/Projects/Metal-2/Metal-2.htm
At the present time, it's working and with minimal adjustments and using zipcord to connect the coil, it detects a dime at 7" in the air. I'm sure it will do better when I make my final adjustments and use coax to connect the coil. My next step is to build a waterproof( not for diving but for surf ) enclosure. At the moment I'm looking for a cheap source for plexiglass. It looks like I'll have about $225 invested in it. The 9v battery in the picture is just to tilt the meter to eliminate the glare in the picture, it isn't part of the detector.
At the present time, it's working and with minimal adjustments and using zipcord to connect the coil, it detects a dime at 7" in the air. I'm sure it will do better when I make my final adjustments and use coax to connect the coil. My next step is to build a waterproof( not for diving but for surf ) enclosure. At the moment I'm looking for a cheap source for plexiglass. It looks like I'll have about $225 invested in it. The 9v battery in the picture is just to tilt the meter to eliminate the glare in the picture, it isn't part of the detector.