HAM RADIO: Building a Variable Capacitor, Butterfly and Two Plate DIY Capacitor, Magnetic Loop

How to build your own Variable Capacitor, Time to finish this build. In this upload I build a slipring connector and Setup a Butterfly Capacitor, and put tuning knobs on them... Take a look at https://youtu.be/VGLZgT0psQ8 Sheet of aluminium (I used 2mm thick) 6mm OD aluminium tube (1mm wall) JigSaw with a fine metal cutting blade Scroll Saw and Blade Metal File M4 Threaded bar M4 Nuts and lots of time, lots of time..... I do hope you enjoy it and subscribe for more.. Many thanks Mike - M0MSN To get notified of the next upload .click that bell and subscribe..