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Unread 09-01-2003, 19:22
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AKA: Paul Luffel
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Last year we made a robot with a conveyor belt to convey the balls into the goal. We used a rubber and cloth belt about a foot wide that was extremely ineffective as it was difficult to tension (and thus it kept sliding to one side), it was heavy (we lost about 1lb drilling holes in it), and it didn"t have enough friction (our pulleys couldn"t move it very well and it couldn"t pick up balls well). One type of belt we saw that looked good and I have seen used in places other than robots is lots of thin (about 3/4 inch wide) rubber/latex/something bands. They were like extruded trapezoids and thus they would fit into grooves in pulleys and would drift and since they were slightly elastic they could be tensioned nicely. They were also very high friction (sometimes used in cafeteria coveyors for trays because they grip well even when wet) so they would pull what they were used on and the pulleys would easily move them. I don"t know what these or called or where you can get them because I"ve never used them, but I think these would be the best things to use.
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