Unun/Balun wire antenna spool and crank
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Holds a long wire antenna to the back of an LDG balun or unun.
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I have a 53-foot long wire antenna I use for portable ham radio. Used with this unun, it works surprisingly well, but winding it up when I'm done was a pain, so I designed this to mount to the back of the unun.
This uses an M8 bolt, nut and washer for the axle, as well as two 608ZZ bearings. You'll also need an M3 screw to come up through the top of the spool to thread into the crank handle. Use your choice of short bolt and nut (or double-sided tape) to attach to the back of the unun.
You'll want supports when you print the spool. I recommend organic supports if possible.