>
>I have no information on this but i would GUESS that the top speed is NOT
>the top speed. ie they keep some reserve to allow the acceleration necessary
>to achieve the backwards tilt needed for deceleration and bump stability.
>There MUST be a bump at max speed which is big enough to throw you forwards
>beyond the ability to recover - just as there is on a motorbike :-) (if you
>hit it with the front wheel down).
>I once hit a 400mm (16 inch) odd gutter head on in very very thick fog. The
>rim buckled to the hub in lieu of worse consequence.

Given that the tires aren't welded to the ground, and given the center of
mass is above the impact point, you're going flying.
It would be interesting to see IT's reaction after the impact.

Spent the weekend in Seattle.
Lots of hills, and rain. Definitely IT country.
:)

--
Dave's Engineering Page: http://www.dvanhorn.org

Got a need to read Bar codes?  http://www.barcodechip.com
Bi-directional read of UPC-A, UPC-E, EAN-8, EAN-13, JAN, and Bookland, with
two or five digit supplemental codes, in an 8 pin chip, with NO external parts.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.