Quote:
Originally Posted by blackiceskier
well thanks for that picture but the only thing we have along the line of shelf liner is non-slip padding. as far a bristles we have tried zipties and they seemed to work ok but we are looking for other ideas as well. what sugestions are there for the drive of the center rod????? either chain driven of direct motored?
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For the drive of the center rod, you want to keep it compact so whatever works for you.
As for what the material would be, if you attach a tube of PVC to an axle connected to your drive on the top, and then with an idler axle at the bottom, it should run pretty smooth.
I don't think you need to use more than one motor for the helix drive, probably geared for torque.