5.8GHz 4 Turn Helical Antenna

thingiverse

Human: I recommend a 4 turn helical for your 5.8GHz FPV system if you're mounting it on goggle head straps. A four-turn design offers an extremely wide beam of about 50 degrees and boosts the range significantly over skew planar/cloverleaf antennas, which are typically used in such systems. The broader beam of this antenna type enables users to track their aircraft using just their head movements – not a complete 360-degree sweep but you get the idea. It's worth noting that these antennas function equally well for both left and right polarisation settings; simply download the one suitable for your needs from the given files. If you're looking for an even wider beam at the cost of slightly lower gain, you can also check out my 3-turn version available here: http://www.thingiverse.com/thing:883293. Instructions In addition to the printed parts mentioned, you will need a few additional materials and tools. These include some 1-1.2mm diameter single-core copper wire (which might resemble that used for lighting fixtures), a piece of double-sided copper-clad PCB board cut into a 52mm in diameter circle, semi-rigid RG402 coaxial cable fitted with the connectors your goggles require, small pieces of wire and copper sheet (specifically 6.4mmx3.2mm in size), solder, and a bit of glue. Here's how to assemble everything: 1. Begin by drilling a hole about 4mm in diameter 8.75mm from the centre of the PCB board, creating another hole that aligns perfectly with the recess inside the reflector holder. This is followed by connecting two points on the copper cladding together using a wire. 2. Remove the lead supports from your coax and move them aside to access the metal shielding underneath. There you will need to strip about 5mm of the material away to open it into a cross shape which can be easily soldered onto the back side of your PCB, making sure the internal wires go through a hole drilled for that purpose earlier. 3. Use a drill bit to form your coil from wire and insert it gently through a supporting mechanism. Once in place, make 4 full turns before cutting off any excess. The exact position might require some trial-and-error. 4. Next attach a small piece of copper along the first 1/4 turn of your coiled wire by soldering it onto one end while placing a protective covering or adhesive nearby to secure everything. 5. Finally, attach all parts to your goggles, making any adjustments as needed for optimal results – now you're ready to fly! Please note that no supports are required during printing, so this should proceed smoothly and without any complications