The art and science of winding search loops for maximum depth and sensitivity.
For decades, hobbyists and treasure hunters used metal detectors as "black boxes". They flipped a switch, listened for a beep, and dug into the earth. However, understanding the intricate electronic engineering and physics behind these devices remained a luxury reserved for industrial manufacturers.
You can find the paperback on Amazon, which is the easiest way to get the printed, comprehensive guide.
Many hobbyists look for PDF updates to view high-resolution, zoomable circuit schematics directly at their test benches. The book is famous for providing functional blueprints, including:
Do you want:
brought extensive practical experience in circuit design, project building, and troubleshooting, ensuring the book remained grounded in real-world application rather than abstract theory.
The contributions of George Overton and Carl Moreland to the world of metal detecting cannot be overstated. Their innovative designs and technological advancements paved the way for the modern metal detectors used today.
At about 12 inches down, the blade of George's shovel hit something metallic. He carefully cleared the dirt, revealing a small, intricately carved wooden box.
Modifications and improvements on existing PI platforms. Conclusion The art and science of winding search loops
Whether you are looking to repair an old detector, design a custom deep-seeking pulse machine, or simply understand the physics of the hobby, George Overton and Carl Moreland’s work stands as the ultimate "under-the-hood" reference manual.
| Feature | 2nd Edition | 3rd Edition (2024) | | :--- | :--- | :--- | | | ~250 pages | 634 pages | | Content | Significant | A major re-write, over 250% more material | | Projects | Complete projects included | "Teaching circuits" but project details on forums | | Support | Book | Forums for BOMs, PCBs & updates | | Format | Paperback | Paperback & Hardback | | Electronic | Yes (Kindle) | No (print only to combat piracy) |
Hands-on projects allowing readers to build their own detectors from scratch.
George Overton and Carl Moreland, two experienced treasure hunters, had been searching for the legendary Golden Chalice of 1715 for months. The chalice was said to be hidden somewhere in the dense forests of Florida, and the only clue they had was a cryptic map etched on a piece of parchment. The book is famous for providing functional blueprints,
Pulse Induction systems are favored for deep hunting and saltwater beach detecting.
Metal detectors are electronic devices that identify the presence of metal. They are widely used for recreational purposes, such as searching for lost items or coins, and also professionally, in security and archaeological excavations. The basic principle behind a metal detector is that it sends out an electromagnetic field and looks for changes in this field or disturbances that might indicate the presence of metal.
Overton and Moreland categorize and explain the primary methods used in modern detection:
: BFO (Beat Frequency Oscillation), TR (Transmit-Receive), and PLL (Phase-Locked Loop). Hands-on Projects Hands-on Projects Inside the Metal Detector
Inside the Metal Detector , authored by George Overton and Carl Moreland, is widely considered the definitive technical guide on the design and electronics of metal detectors. Amazon.com.au Core Focus and Content