[python] python stability, again...
- From: <peter.svancarek@xxxxxxxx>
- To: <python@xxxxxxxxxxxxx>
- Date: Tue, 16 Apr 2013 13:52:44 +0200
Hi,
I was looking for bicycle stability calculator becase I ran into problems
with stability of my little rowing bike project model. It is model(to this
time without drive) where I could change to some degree parametres of
steering. But that beast is is not very stable, even if it is possible to
ride it. So before I will built final recumbent I must obtain reasonably
stable model :)
I found this little program on this mailing list (
http://rjs.org/Python/FrameGeometry.zip ). I even changed a few values to
obtain selfstable bike at 6.4 km/h, but while I understand some of
variables, others I don’t understand.
Front mass to pivot, front mass to height... Why not give there only data
about centre of gravity? While on projected bike will be mass moved(both
legs and torso of rider) during driving, the centre of gravity would be more
or less in the same position. And centre of mass is what is loading the
wheels, isn't it so?
what is "tortional K to pivot axis" ? What is inertial factor and "inertial
angle of front mass from horizontal"? "inertial angle of front mass from
horizontal? Front mass and main mass???
Cheers Peter
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