With these 3D printed Parts and some other materials, you can build a YAGI antenna for almost any frequency! And that only for about 20€!
The Antenna is designed after the well-known guide "7db for 7 bucks" and is used to calculate the lenghts and spacing of the Elements. Also, use the guide to determine the material amount.
Beside the 3d printed driver and the two elements you need the following materials:
- Weldingrod Ø 2mm
- Cable with connector (i used RG-59 with 75ohm with BNC)
- 2x Carbon Tubes Ø 12mm
- 4x Clamps for Ø 12mm Carbon Tubes
- 4x m3 self tapping screws (only for the grip)
Added a printable grip/handle including a option to secure the carbon boom when the Antenna is folded in half.
You only need Supports for the Driver itself.
The Elements (Director / Reflector) must be printed upside down.
The grip i printed with the boom clip () on the bed.
I used PLA from DasFilament.de to print the parts for my antenna.
Before following these steps: Read 7db for 7 bucks
- Install the aluminum clamps on the plastic parts you printed
- Cut the welding rods to the right length and install them
- Install the bottom carbon tube in the driver
- Route the Cable through the carbon tube and solder the Cable on the two welding rods inside the driver
- Install the top carbon tube
- Install the director and reflector on the carbon tubes