[geodesic 00254] Re: is this bicycle a tensegrity?

[Bob Burkhardt]

Looks like the simplest sort of tensegrity, a pair of crossed struts
surrounded by a diamond of four tendons. Bob

On 13 Mar 2009 00:46:39 -0000 "Doug Milliken" writes:
>
>
> http://www.yankodesign.com/2009/02/24/this-bike-is-missing-some-tubes/
>
>
> This may be similar, but done with a metal frame,
> http://www.classiclightweights.co.uk/dtwitchett6.jpg
>
> I'm not convinced it will make a good bicycle for all uses--for
> example, when standing on the pedals and pulling up on the
> handlebars (climbing a steep hill) I think that the bike should be
> stiff in torsion between the handlebars and the pedals. Normally
> this torque is carried by the down tube, which is missing in the
> cable frame.

--
Bob Burkhardt
http://www.freewebtown.com/bobwb/ts/synergetics/photos/