> Plus, it appears to be friction drive, which means if the rim gets dirty or
> wet, and/or the drive wheel gets dirty/wet, how are you going to transfer
> drive energy to the wheel?
Yeah, I'd prefer to have some gearing involved somehow. Friction drive
would be a great way to get your teeth knocked out if it slips while
under heavy peddling. But it usually works for the railroads....
--
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
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