[Doug Leppard]

Originally Posted by squirrel

The shooter and helix rollers are 4" ABS. The shooter roller has gum roughtop conveyor belting (wheel tread), the helix roller has shelf liner from Walmart, attached with aluminum strips to hold it on.

here's the only picture I could find just now...and we redid this, the flaps are each only about an inch wide now, instead of 2".

It might have some wear issues, so we may be looking for something else to use?

Thanks that was helpful. Ours is a 5 inch running at 2500 rpm. It is not working yet other than the proto type. So these numbers give us a hint how we might be doing.