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 It's cool to see that Shaun White is an active team member (6th person from top left). That guy must be amazing, as he can win a gold medal in snowboarding while also being active on a FIRST Robotics team. - Andy Baker [more] |
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#2
11-09-2011, 15:43
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Re: Grippy material
My best advice would be to take a bunch of materials and rub them along the tube. You'll be able to tell which one has the highest coefficient of friction with the tube.
Anyway, I would recommend http://www.brecoflex.com/ . It's not necessarily cheap, but I'm almost positive they'll have exactly what you want. A lot of teams used polyurethane tubing with success. I can't speak to the friction they provide, but it's probably a pretty good option for flexibility in a roller claw design. 
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