[python] AW: Re: BB in lower Position
- From: "Thorsten Borm" <t.borm@xxxxxxxxxxx>
- To: <python@xxxxxxxxxxxxx>
- Date: Wed, 16 Aug 2006 17:08:28 +0200
Dirk wrote:
> are you saying that on your own python the self centering is the most
> dominant force, more then the weight on the pedals?
>
> I just did a little test: I sat on the bike, hands on the floor
keeping
> the bike straight up, and feet resting on the pedals. Then I tried
> turning the front part and see for which the turning angles I have to
> use force to stay at that turning angle (i.e. where the self centering
> is dominant).
>
> For quite a big range (I guess -15 -> +15degrees), self centering is
so,
> that it does NOT come back to straight by its own. Rather it is
> "neutral": it does not tend to go further in a bend but does not tend
to
> go straight. Only further outward I need to use force to keep a that
> angle.
Exactly that was the problem before I changed the position of my BB! I
always had to hold the front wheel in the straight position by my feet.
I just did the same test like you: Now the self centering force is
dominant at all angles.
Do you think there might be an influence of the wheel size? In case of
our 20" wheels the difference between BB and FWA is 8cm more than using
a 26" wheel!
With best regards
Thorsten
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