Long range yagi antenna for Q-X7

thingiverse

Link to purchase finished antenna with copper already installed: https://guruquads.com/qx7-yagi.html This is version 2, if you previously printed version 1 it's highly recommended to replace it. The prior version was based on dimensions from a questionable online calculator but this one has been fine-tuned experimentally. Print out the file and get some single-strand copper wire exactly 1mm thick (essentially 18 awg). Remove the insulation, insert the wire into the holes in the print, then cut the copper wire at the ends to match that part of the print perfectly. Finally, simply slide it over your Q-X7 antenna, point it in the desired direction and you're ready to go. Important Note: If you experience difficulties fitting the copper wires in place, do not scale up the print; this will alter the frequency of the antenna instead. Just get a 1mm drill bit to widen the holes, designed so that tubes become wider inside, eliminating the need for deep drilling. The ends were made intentionally tight to accommodate printers that might produce prints that are either too tight or too loose, but a print that is too tight can be easily fixed with a drill. Second Important Note: Avoid printing in PETG or carbon-based filaments altogether. Carbon fibers have a high dielectric constant and so does the glycol in PETG, which will severely interfere with the signal.