View Single Post
Old 08-23-2010, 06:37 AM
curtisfox curtisfox is online now
Motorized Bicycle Elite Member
Join Date: Dec 2008
Location: minesota
Posts: 3,524
Default Re: A new shift concept for the engineers....

Originally Posted by Bikeguy Joe View Post
It is done by having two separate sets of pulleys and two belts. A simple rocker mechanism tensions one set (lower gear) then when you move the shift lever halfway both belts are loose, then when you pull the lever all the way it tensions the other set (higher gears). It was seen on a lot of mini bikes and go karts in the 40-60 in Popular Mechanic, ect.
Thanks I think I remember seeing some thing like that. There again it would be nice if some of that would be down sized to run smaller belts.
Reply With Quote