[python] Re: Human power article

Hello Jurgen,
Thank you so much for your quick reply. Your geometry url below was very instructive.
The concept of seat rise is exactly the same thing as K1 in my handling qualities theory. For a normal geometry it causes a low speed wobble, but for your geometry it causes the seat to fall. This generates a strong centering spring at low speed. Wonderful idea.
I must admit that I was appalled at building any negative trail bike. I was wrong.
I have been asked to help with the technical side of Human Power and feel that the Python design process along with rider comments would make a welcome subject for us. The theory on the URL will round out the paper nicely. We might need a list of background references. 
\

Bill Patterson




Hello Bill,
Writing an article for the HP magazine is not chicken-feed. Could you please outline what you expect? 

Lots of material can be found here:

http://www.python-lowracer.de/geometry.html
http://dirkb.dnsalias.net/pythonselfcenter.html

Also our small communitiy could provide lots of pictures and videos.

Regards,
Jürgen.


--
Some thoughts on Apache helicopter avionics
http://home.earthlink.net/~wm.patterson/helicopterthoughts/
http://home.earthlink.net/~wm.patterson/helicopterthoughts/id17.html
http://home.earthlink.net/~wm.patterson/helicopterthoughts/id16.html

See bikes and the first human powered helicopter at:
http://www.calpoly.edu/~wpatters/
Single Track controls at:
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