Quote:
Originally Posted by bobosalad
the hardest part of this is obviously attaching to the bar; how would you keep from sliding down the vertical tube?
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you have an arm that folds up past the tower, with a pivot above the platform. then you have a cross member at the tip of the arm and that is past the tower pole and a second on that is lower before the tower pole . If you then start retracting ( folding) the arm back it will clamp itself to the towerpol and the weight of the robot will lock it in. to support this function the crossmembers should have rubber surfaces.