2023-04-04 (Tu) GrinderCompass

I assembled the new parts, starting with the case. This time, I made it two levels high since I do not have long pendulums. I may expand it later because the rectangular magnets can stack without wasting space, unlike cylinders. I built a spinner, but I forgot to add an axle. I could not find a brass rod in the correct thickness for this revision, but I included a steel nail that will interfere with the magnets but should be OK for this trial.

I hung the three-spoked pendulum off the side, but there was too much friction for something so light, and it is balanced, so it does not want to spin. I should focus on unbalanced models and reducing friction.
REV4 assembled for testing

The rest of the posts for this project have been arranged by date.
First time here?

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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2023-04-03

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