Hmm, if I read this right I think you're referring to a system that Gabe Konrad pointed out in OTW and BikeLore. Seems to me Velocio was associated with it (don't have the OTW or BikeLore handy to verify).
John Price Denver CO
-----Original Message----- From: DRob697@aol.com [mailto:DRob697@aol.com] Sent: Friday, March 21, 2003 10:41 AM To: email@example.com Subject: [CR]Re: Drive systems: twospeed req's forward or backward pedaling
In a message dated 3/21/2003 9:40:52 AM Eastern Standard Time,
> In a message dated 3/20/2003 10:33:04 PM Eastern Standard Time,
> firstname.lastname@example.org writes:
> >>Bio-Cam (Weird cam follower in cranks)
> >>Bio-Pace (lever * pull chains..same inventor guy? Larry Brown?)
> >>Alenax (Lever action again)
> >>Rise-in-Go (up and down makes it go!)
> >>Mobius "continuous tube" frame
> >>Can anyone add to this "curiosity" list?
> >>Dale Brown
> I've been searching the archives in vain for my favorite weirdness in which the chain goes through a convoluted wrap that engages both sprockets of a two speed freewheel enabling a forward pedal action for one speed , and a backward pedaling for the other, , both freewheels are always moving, one to
drive and the other in freewheel , I think it is a very old idea, and some list member has built one with great web pics , , I think this definitely needs to be on the list, someone help out, , , , , , regards, ,Tom Roberson