[python] Re: driving experience TT

Hi Ray

At 07:52 AM 3/18/05 -0800, you wrote:
>Hi Mike,
>I now recall seeing your page, so that was probably back in my brain.
>http://www.odyssey.on.ca/~mchannon/A3/P2.jpg
>With the close placement of the pivot to the wheel, you definitely need
both attached to the rear, but the angle of pivot to front frame is fixed.
Jürgen could turn the top one around in his P4 geometry. The other nice
thing that tie rods would add is that the pivot would not need to be
disassembled to adjust.
>

Actually it doesn't matter too much which end they are attached to.  The
reason that I can't relax the steering angle any more is that the rod ends
only have a limited travel in the fore-aft direction.  I could get a more
useful range of adjustment by making a different front part.  One thing that
does change with changing the steering axis is the angle of the front and
rear frame to the ground.  As a relaxed the pivot angle the cranks rose
higher above the ground.  This means that two variables change at the same
time.  Which has the effect on the handling- change in position of the front
mass or change in pivot angle? Probably both!


>
>BTW, Greg sure has a great project!
>

Greg's projects always give me food for thought.  Perhaps the head tube
beside the front wheel is a good way to build a lowracer TT type bike like
Laurent and the other Jeurgen (Maier) are working on.


>The forecast is rain today/this weekend, so I'm going to cut some new frame
parts. There. I said it! 
>;-)
>
>Ray
>

It's trying to choose between rain and snow right now.:-(

Regards,

Mike Channon
London, Ontario, Canada

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