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Once we had our final prototype assembled, we had a major issue: the cam shaft was binding extremely badly. We isolated the problem to be that the cams had a slight cock to them when we glued them on and the faces of the disks were not perfectly parallel. Because the waves were clamped around the faces of the disks, each wave was slightly askew. It caused the mechanism to bind because there were spacers at the back shaft that restricted wayward motion. By removing the spacers, the mechanism was free to rotate because the back of the waves were allowed to move side to side along its shaft.
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