Ring Roller Power?

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I need some input on fabricating a ring roller. I have a pretty good idea for the basic design after checking out everyone I could find. I have even started to collect some of the materials. I have never used a roller, but I understand the concept. My question is: I have access to a couple of small air motors and gear reduction units. Would it be useful to have this powered? I may have a foot control so both hands c ould be free. (maybe not a good thing...ouch) Would you normally turn the roller back and forth so I would need a reversing valve? What kind of gear reduction ratio do you think would work? I just like putting things like this together and having it work. OR.........would it be a waste of time and just go with the manual turn?Thanks RON
Reply:This( http://www.weldingweb.com/vbb/showthread.php?t=6392) is a roller I made last summer.  I used a harbor freight winch motor, direct drive.  It turns at about 60 rpm.  I thought 60rpm would be too fast, but works fine.  The winch comes with a forward/reverse remote control.  It is 1-1/8 hp.  Connecting that motor was as easy as connecting a handle.  The shaft is 18mm hex shaped.    I have rolled 2.25 inch cap rail (hard way) with it.  I don't think I would have wanted to roll it with a hand crank.  Rolling 10 feet length one way would wear me out.
Reply:Very nice. Mine will be a bit smaller but I got alot of good info from the posts in your thread. Thanks TapwelderRON
Reply:It realy depends on what you will be using it for. We have this one at work.Tube bender She is a nice unit..dies are like $300+ for each tubing size."If you live in Sacramento you have seen my work."