Irnwrkr Posted August 21, 2023 Share Posted August 21, 2023 Just got my Manticore a week ago, due to time constraints i haven't had a chance to really get out yet besides in my driveway on a few surface targets. I noticed that my coil will pick up on the outside edges, but not down the center. Is this normal on the manti? This may just be me not knowing how coils really work. If anyone would like to duplicate what i did just remove coil from shaft, wave a coin all around the coil and see if yours does the same thing. Would ease my mind just a bit because i dont know if i have a defective coil or thats just the way it works thanks in advance Link to comment Share on other sites More sharing options...
GB_Amateur Posted August 21, 2023 Share Posted August 21, 2023 What sensitivity are you running and how close the coil is the coin? There is a strong field quite close to the coil edges but for reasonable target distances (say 4 inches = 10 cm) the strongest part of the field should have shifted over to near the center of the coil. That's for reasonable values of sensitivity (say 10-20 range). See the diagram in this post to get an idea of the magnetic field map of a searchcoil: Link to comment Share on other sites More sharing options...
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