this is a ring roller that i made and am having issues with the 
feed mechanism.  I am posting to rcm for advice on making/engineering
a  better drive mechanism.  

The pictures are pretty self explanatory.  The wire is 60# coil of Lincolnweld 
L-56 3/32 mig wire. the rollers are just 4in polyurethane casters. The sprockets 
and chain were salvaged from a bicycle I found in the dumpster. and the roller 
 at the end was built from a piece of 1x3/8 cold rolled bar.  The bearings 
 are just plain skateboard bearings with a groove gound in the outer race 
 using a grinder.
 
 Bryon (addict@dilaudid.com)