>>>>> "Adam" == Adam Altman <[EMAIL PROTECTED]> writes:

> If you are interested in doing this just so you know how far you
> have gone and how fst you are going, the trick setup is to get a
> cyclometer.  ANy bicycle shop has them for about $20 us ($22 Euro?).
> You fix a magnet to the frot wheel, and run a wire to the head unit,
> and program in the circumference of your tire.  It keeps incredibly
> accurate speed data and distance date.  Good, cheap, and accurate.

I'm curious, what circumference is your front tire at 20,80,130mph?

Every system needs its fudge factors. cheap and as repeatable as
the common systems.

Jerry Wills

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