Preparing copper wire for antenna’s

A short blog this time. I’m preparing a (some?) directional antenna’s for the ADS-B project. Trying to find nice and stiff copper i got this advice from Johan, friend and mechanical engineer.

Copper wire will get stiff when deformed and heating will return its flexibility. Twisting the wire around it’s axis by using a hand drill will not only yield a stiff wire but nice and straight also!

Left: before twisting - Right: after twisting

Left: before twisting – Right: after twisting

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