Originally Posted by
ButchA
I remember reading something about it back in the day. The derailleur system somehow "knew" how hard or how gentle you were pedaling and was supposed to automatically adjust itself. I think it was just a passing fad and never (obviously) took off and became successful.
The Autobike they show-up on Craigslist from time-to-time. They use a set/series of weights that shift when gears based of centrifugal force,
I think.
MHO.... I think the evolution of the safety bicycle... has matured to an impasse. Once the iron horse, human powered machine, becomes powered by everything else as well... it loses purpose. If we have to recharge our electric bicycle-devices why not just add an electric motor and recharge the bicycle as a whole. Or... maybe just add a gasoline motor and call it a motorcycle.