In a message dated 3/21/03 3:29:47 PM Eastern Standard Time,
heine@mindspring.com writes:
>
>
> The system works simply with two 1-speed freewheels, one freewheels
> forward, one rearward. So always, one is engaged while the other
> freewheels. The chain goes in a figure 8, so if you pedal forward,
> you get one freewheel (and gear), while the other is freewheeling,
> backwards the other gear.
>
> It's described in "The Dancing Chain." A friend in France has a bike
> with the system. Maybe we should feature it in Vintage Bicycle
> Quarterly - a good complement to the Integral in the current issue,
> with three chainrings, a front derailleur, but one cog in the back
> and no rear derailleur...
>
> The weight system is known in France as "Systeme Badoit" - a
> different friend has an old Peugeot with that one. Interesting to say
> the least!
>
> All these bikes were, for their time, lightweights, so I think they
> belong on this list.
>
> Jan Heine, Seattle
> _______________________________________________
A local shop kludged one of those years ago and now we have a bottom bracket that has that feature already built in that I forgot to mention in my drive system posting
Larry Black