Transforming a small copper coil into a large copper loop was easy with a home made jig.
This copper loop jig should help me create a perfect circle for my magnetic loop antenna.
Here is a narrated video of the motorized butterfly capacitor in action.
Here is my Mostly Printed Butterfly Capacitor, ready for use in a magnetic loop antenna.
Painters tape hold down works with thin aluminum. Here’s how.
Hold down fixtures are easy with a 3D printer.
Back to my loop antenna project. Nearly there with milling capacitor plates.
My first attempt to cut thin aluminum almost worked. But not quite.
Here is my first attempt to hold thin aluminum in place so I could mill plates for my butterfly capacitor.