There are a variety of regular polygons that will work, triangles, squares, pentagons, hexagons....... and some rectangles and ellipses as well. I think the elliptical version might be much smoother, building that model now, and will update the site with a video if it works.
Slashdot Mirror
There are a variety of regular polygons that will work, triangles, squares, pentagons, hexagons....... and some rectangles and ellipses as well. I think the elliptical version might be much smoother, building that model now, and will update the site with a video if it works.
The inventor did think he was inventing a perpetual motion machine, he is an 8th grader, he didn't know better.