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Old 12-26-2011, 12:33 PM   #33 (permalink)
3-Wheeler
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Join Date: Dec 2008
Location: Southern WI
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AlienMobile - '00 Honda Insight
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Quote:
Originally Posted by jimepting View Post
I have noticed that really slick, silent asphalt produces higher FE than stoney, rough surfaces. But, this should not be a factor in your testinng since you always used the same road section.

Can you elaborate a bit of your comment about the "road/tire" function?

Can you draw any decent estimate of fuel economy difference in your tail on/tail off. data? I'm not sure how to draw conclusions from the fuel logs since we don't know when the tail was on and when it was off.
Jim,

About "road/tire" function, please see here for start....

The Recumbent Bicycle and Human Powered Vehicle Information Center

I have seen postings of how tire resistance is constant with speed, and then John Tetz shows that for his recumbent bicycles, that this may not be completely true.

As for the tail on the car, the car did not have a tail in the winter of 2010. It was not made yet.

Also, note that I discussed the underbody smoothing panels were only providing 70% coverage during this time.

Hope this helps, Jim.
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