On 13 May 2003 13:43:37 +0100 (BST), David Damerell <[email protected]
>>Can anyone explain how the Zox bikes can front wheel steer and have front wheel drive?
>The all-wheel-drive bike (also a useless gimmick, I suspect) passes the drive via a shaft up the
>downtube and down the headtube. The fork crown and headtube are not conventionally constructed;
>instead a relatively small piece of metal outside the headtube connects the fork crown to the
>handlebars. Of course this must be monstrously solid to combat the tendency of the handlebars to
>bend backwards towards the saddle.
By shaft, I guess you mean a rotating drive shaft? This usually means some form of right angle
conversion via gearing. This is very lossy -- the huge advantage of shortish, aligned chain drive is
the excellent mechanical efficiency.