Mechanics and Construction > Mechanics and Construction

Directional Friction material.

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bukowski:
I was wondering if anyone had seen some kind of material that has high friction while sliding on a surface one way, but very low friction while sliding the other way. I had an idea for a simple mini bot...

SmAsH:
i dont think there is anything like that...but you could use a trail of something going one way...


~smash

airman00:
what about something like this

its looks like a triangle


you can push up side C but once you get over side C , side B blocks you from going backwards. If you have a lot of these triangles you could create a one way only drive system ( sumo robot anyone )

ed1380:
how big?

you could use one of those zip ties. cut the clicking part off and mount it to whatever and have the actual zip tie as a track for it to ride one

and maybe the barbed part from velcro

hazzer123:
Look to nature for this type of material. Shark and snake skin has this property.

http://www.enchantedlearning.com/subjects/sharks/anatomy/Skin.shtml

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