[python] Re: Position of Steering Pivot Axis

Hello pythonautes



Le 06-janv.-06, à 13:41, Jürgen Mages a écrit :

Hello all,

after one of the most urgent questions in "python physics" has been
solved last year ("What is the perfect steering pivot angle?"),
I want to push the solution of another crucial issue:

"Does the pivot axis have to go through the middle between both
hip joints in order to minimize pedalling/steering interferences (PSI)?"

I think it's the best way to reduce the psi as possible... but, other position can be very acceptable. Then, an other point in this question come: the angle between the pivot axis and the line middle hip joint-BB.

with "tt laurent 1" on a race, i loose left pedale just in the middle of a sprint 200 meters flying start... and nothing happend.... the bike just go strait.
with the next vertion of "tt laurent 1" in Alborg, on the 200 meters flying start, i take the 12ièm place just over 60 km/h (pictures here: http://rixie.smugmug.com/gallery/755448/1 or here: http://beauxdebris.free.fr/aalborg2005/
Last "speeking exemple" the "tt laurent 2" is now and since 3 month, my every day bike. Last week i loose my gloves... well... i do 95% of my way with my two hands in my pokets... through the city, and over a short climb around 12%.

Is Pythonautes commes at the World chanpionship in france? http://www.ihpva.org/chapters/france/world2006/ Maybe a very good place too meet and exchange ideas.

See you

Laurent


To gather the infos I have set up a new site:
http://www.python-lowracer.de/modifications.html
Some pictures are already there.

Any ideas?

Cheers,
Jürgen.
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