Gallery, Projects and General > How do I??
How to do a "brake" for an axis?
CrazyModder:
Thanks for all the hints, guys! Keep them coming, although you spam them way faster than I could ever try to test them. *need more man-cave time*
--- Quote from: Noitoen on August 02, 2016, 03:14:29 PM ---Make a disk out of copper 1,5 mm thick and use a pair of hard disk magnets just like it was a disk brake caliper as close to the copper as possible. you will bee amazed with the drag it creates. I think some "vent" holes around the disk also changes the amount of drag. This is caused by eddy currents generated with in the copper when it moves in the magnetic field.
--- End quote ---
Sounds like a fun project, I guess I will have to start to actually dismantle the last few of my old HDDs (no magnets inside SDDs that tend to fill my PCs these days :) ). Bbut I guess that when the axis it's not rotating it will provide no "holding power".
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