[python] Re: Python frame with VPP steering

Jürgen,

Did you check out the link I sent before?

http://www.edgebikes.com/gallery_prodi01.html
illustrates a basic four bar linkage, with some text

Also see:

http://www.santacruzbicycles.com/movies/RENDERFREE.mpg
mpeg of a rear suspension VPP, the BB is the virtual pivot around which the dropouts seem to rotate around, thanks to the four bar linkage (see the parallelogram?)

And finally:

http://iel.ucdavis.edu/chhtml/toolkit/mechanism/
If you download Ch and install it, you can play around with four bar linkages using this site. Very cool!

Michael
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