[python] Re: trail vs wheelsize

On 09.10.2006 08:16, dirk steuwer wrote:

That is my question: what is the best python setup? I was trying to
do some calculations, much like those on the website. I realised i
need vector math to figure out the up and down travel when
steering... I was thinking to produce an javaapplet, that one can
start in a webbrowser. You enter your measurements, and get i.e. your
up and down travel. I think wheelbase, trail, wheelsize, "the angle"
and the distances between the steering pivot and the axles all have
the influences...


Hello Dirk,

this program was already made by Dirk Bonné and you can find it here:

http://dirkb.dnsalias.net/pythonselfcenterprogram.html


A remark to your prototype:
If you build a python with pivot angle of 60 degrees you very
likely run into the wheel-flop problem, especially if the front
wheel is big.
With an angle of 67 degrees you should be on the safe side.

Would it be possible to build a flexible python, where one could
adjust all things that possibly have any influence in the driving
experience? I would then go on and modify them one by one to the
extremes.


This has been done by Tim (25hz) last year. There have been discussions
in this list and I think there is a report on this site:

http://www.fleettrikes.com/python%20clone.htm

Regards,
Jürgen.
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