[python] Re: Questions from a total newbie
- From: Jürgen Mages <jmages@xxxxxx>
- To: <python@xxxxxxxxxxxxx>
- Date: Tue, 21 Mar 2006 21:00:48 +0100
Actually, I was thinking of moving the rear wheel back and keeping the
rider atop the steering pivot, thus moving the CoG forward. This would
also free up some space behind the seat to carry stuff (did I mention
that I wanted to make it a touring bike?). Sounds like the placement of
the rear wheel isn't all that important though, and there's always the
possibility of making a rear frame that can be stretched since the rear
is very simple.
All right. I implicated that you also want to move the seat backwards.
Take care that the wheelbase does not get too long.
The turning circle of a lowracer is already big enough.
Well, what I had in mind is a bike where the seat height is constant,
only the angle of the main pivot would change. This would involve
mounting each half of the pivot bracket (front and rear) on a horizontal
pin and controlling their angles together with regard to their
respective halves of the frame with set screws, so that the bike's
overall geometry wouldn't change. Being my first Python, on one hand
you're right, I should keep it simple, but on the other hand, if I
implemented something like that (if it's doable at all), I would have
room to experiment with the pivot angle without having to make another
frame each time.
I see. Something like the adjustable rod end bearings solution of
Mike and Tim.
I'll whip up something in Autocad when I have some time and I'll post it
here to show you what I mean exactly. It needn't be very complicated, it
just needs to be designed properly.
We are always curious about new ideas ;-)
Thanks a lot for your feedback, I appreciate.
Thank you Pierre.
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