[python] Re: positive trail scetches

Hi DJ,

to explain some what i have been babeling about,
some sketch and model in cardboard


you just re-invented the 4-bar-linkage steering system,
that Michael Rienstra from California proposed about one
year ago.

Michael even built a prototype that he called "Vython":

http://www.python-lowracer.de/pics/Michael_Rienstra_Vython.jpg

Later he run out of time, energy, money or motivation and so
we do not know the result of his experiments. Hope he did
survive the test ridings ;-)

The virtual steering pivot surely would produce positive trail,
resulting in a Tom Traylor style geometry. The steering system
to me seems quite complex and vulnerable.

Also I am still wondering if a pivot axis that is not going
through the hips causes steering/pedalling perturbances.

Cheers,
Jürgen. 

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