Re: negative drag

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Peter Rathman wrote:
> ...
> My car has a coefficient of drag of 0.35, and it has a much more
> streamlined shape than a regular upright cyclist. Where did your
> factor of 10 (implying a Cd of 0.1) come from? Figures I've seen for
> normal cyclists have been more around 0.6 or 0.7....

Here is what a bicycle with a coefficient of drag of slightly less than
0.1 looks like:
<http://www.ent.ohiou.edu/~et181/hpv/Andrea_64.7mph.jpg>. (Yes, she is
pedaling the bicycle in excess of 64 mph without wind or gravitational
assistance.)

--
Tom Sherman - Holstein-Friesland Bovinia
"Localized intense suction such as tornadoes is created when temperature
differences are high enough between meeting air masses, and can impart
excessive energy onto a cyclist." - Randy Schlitter