Post by uptrainfan89 on Jun 10, 2016 12:53:57 GMT -9
Was looking into picking up some rare earth disk magnets to make some moving turrets and parts for my models (and for flight bases) but the thought crossed my mind on the polarity of the magnets. Does the polarity cause a problem with turrets and parts being able to rotate 360 degrees, or will I need to say use a magnet and washer approach and not two magnets if that would be too strong?
Post by uptrainfan89 on Jun 13, 2016 1:49:27 GMT -9
That's definitely good to hear. Yeah just realized they have a pic on there web site from where I ordered those magnets that show the flat sides with the polarity. The fun part now will be lining up the polarity on everything I want to be swappable lol.
Post by cowboyleland on Jun 13, 2016 4:58:23 GMT -9
That is a good reason to use washers. If you always put the magnets in the main body of your build and put washers in the attachments/accessories you will never have a problem with incompatible polarities.
On the other hand, maybe it's the herd that is crazy.
Post by uptrainfan89 on Jun 13, 2016 7:30:17 GMT -9
Yeah I think I'm gonna go to our local Menards and see what they have for small washers (magnetic metal of coarse lol), maybe the same size of the magnets that way polarity won't be an issue. I think I'll use your idea and do magnets in the main body and washers for attachments!
I commonly mark one side of the magnets with a black pen so I always know their polarity. Instead of washers, you could also go in the hardware store and look for other flat metal parts. For example, I often use some kind of small thing triangular metal piece that's supposedly used in mirror assembling. It has the advantage of having no hole in the middle.
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