[python] Re: Human power article

Hello,


we are trying to gather background info in our wiki: 

http://openbike.org

why not join in and contribute some research for the article? :-)

Or start an article in the wiki and everyone joins in, just like our design 
process.
just start with a basic outline - maybe there are a few people, who fill out 
the gaps?

Regards,
DirkS


>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:
>http://home.earthlink.net/~wm.patterson/
>
>Reply to wm.patterson@xxxxxxxxxxxxx
>          wpatters@xxxxxxxxxxx
>          william.patterson@xxxxxxxxxxxxx
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