November 19, 2021 06:04 pm GMT
Original Link: https://boingboing.net/2021/11/19/marvel-at-this-crowned-pulley.html?utm_source=rss&utm_medium=rss&utm_campaign=marvel-at-this-crowned-pulley
Marvel at this crowned pulley
It looks like the band should work its way off this belt-drive system, but a crowned pulley works opposite of what appears intuitive.
— Read the restTo better demonstrate the principle, I built a jig from lego, using a rubber band and an exaggerated crowned wooden pulley.
Original Link: https://boingboing.net/2021/11/19/marvel-at-this-crowned-pulley.html?utm_source=rss&utm_medium=rss&utm_campaign=marvel-at-this-crowned-pulley
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