2023-07-31 (M) GrinderCompassMKII Bulky boi

The magnet spacing on Rev1.003 and Rev1.004 was too short and too long, respectively. I tried swapping parts to make something usable, but it was fruitless. The sharpened copper wire was too tricky to work with, so I bought some small brass nails (escutcheon pins). I put the nail into a drill and spun it while applying pressure onto a file and, later, a saw blade. This method worked, but it was tedious and felt impractical. The best option was to make the top pin finely adjustable.

I changed my hole sizes to accommodate the escutcheon pins. The top holes were snug to help align them consistently, and the bottom ones allowed the spring in the bottom to gently push it up and maintain contact with the spinner. I made the base octagonal instead of round to prevent rolling. Another issue was that the pins did not align well, so I designed and cut pieces that would rest on the bolt couplers and keep the nails going the right way. The whole unit turned out very bulky, but it was functional.

A functional spinner, but too chunky

GitHub files for GrinderCompass
The rest of the posts for this project have been arranged by date.
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Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8

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2023-07-25