Variable Capacitor v1 Circle Design

For Magnetic Loop Antenna or Tuner (27-152 pF)

!!! i tested it just at qrp !!!

i print it with PLA. if you use high tx power change to abs



Required Parts:

- t8 trapezoidal shaft x1 22cm
- t8 trapezoidal nut (8 pitch)
- induction spindle 6mm x4 21cm
- 608 bearing x2
- 8-5 coupling
- aluminum tape

I use the coupling as an adjustment knob. Can be added via nema17 motor coupling for remote control