I have a friend with a lathe, and called him up and asked for a favour. Thinking that I will re-purpose the 10.5mm diameter copper earthing rod (purchased to earth the ham radio station), I cut a 6 inch section of the rod, only to find out that the rod is mild steel which is copper plated.
At friend Ronnies, I explained what I needed, and he proceeded to pull an offcut section of half inch brass rod from his junk bin. A few minutes on the lathe and another few minutes with the Dremel tool later, we have version two of the drive gear, which will be tested shortly.
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