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Yes, you can embed an Halbach Array, into your own Papercraft projects!

And what the heck's an Halbach Array?

Just put a lot of Magnets on a row, easch one 90 degrees rotated in relation to the previous one, like this...

Tada! An Halbach Array.

In that picture, almost all of BOTH the magnet's poles strenght is on the bottom side!

So where to get a lot of Magnets, say, for a Papercraft Toy Monorail?

On the Magnetic bands you find on the doors of discarded refrigeratos, that's where!

Get a Compass, and find the North pole:

Cut the band in sections as long as the band's thickness, in this case, 2 mm, notice you better paint the North side, it there's not a groove on it, so as to tell the poles apart...

You'll get a lotta magnet bars, Mwahahahahah!

Then, it's child's play, glue one, rotate, glue another, rotate, etc, see the graphic above, it cycles at every 4 magnets...

You see a completed section, here, notice the repeating pattern, you spot a groove on every 4th bar...

Then I went and made a Proof-of-Concept Video, it's a makeshift thing, so you can and will make something a lot better-looking, notice, the underside has all the strenght, so it's turned up, so the magnets repel each other, lifting the "monorail train", a simple plastic U-shaped thing, with additional flaps to grab the track:

 

Now, go and use this idea, on your papercraft stuff! :D

Views: 99

Tags: array, fridge, halbach, magnets, monorail

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