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mono coils

A

Anonymous

Guest
When owning a Barrcuda a few years ago I noticed that the area of detection of the 8"coil was simular to a dome than a cone. Was this because it had a mono coil? I'm confused about mono coils vs. the conical style that you find in most VLF detectors. Please give the advantages/disadvantages between these two coils. Also compare it to the DD. In a earlier post Eric said that the mono coil has better depth than the DD. Thanks.
 
What do you mean by "conical" style? Are you referring to the detection pattern? Most all coils I've looked at have dome-shaped patterns, certainly true with concentric coils. I don't think I've ever seen a conical pattern, although some literature has (erroneously, I believe) described coils as having conical patterns.
- Carl
 
About the coils. What is most commonly in use is the "concentric", and the "wide scan". The concentric coil could be a "mono", as in the type most commonly used on PI detectors, or it could be dual windings as in a VLF detector. I guess as a matter of conversation, one could refer to the concentric coil a conical style coil.
The wide scan, or as Minelab users have become to know them, the "double D", are one in the same.
The drawings as the manufactures use them in their advertisements to describe coils, are greatly exaggerated, and judging by some, able to perform miracles.
The concentric coil by the nature of it
 
If you look at Minelabs mono coil pattern of detection is looks like a dome without a point at the end. When a typical VLF concentric coil pattern is shown it resembles an upside down cone with a point at the end. Because the mono coil is a single wind the pattern is a "dome" as apposed to a dual windings in the VLF concentric is a "cone"? There is a difference in shape of the detection patterns between these two, right?
 
VLF patterns are sometimes drawn as cones, but they are not. They are rounded dome shaped, just like mono coils. DD coils are also dome shaped, just very elongated.
Advertisement diagrams are notoriously misleading.
- Carl
 
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