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Old 07-29-2013, 07:38 PM   #8 (permalink)
UltArc
Hydrogen > EV
 
Join Date: Apr 2012
Location: NW Ohio, United States
Posts: 2,025

Silver Flea - '05 Honda Insight
90 day: 58.96 mpg (US)
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Quote:
Originally Posted by aerohead View Post
If you have mpg info at 59 mph,then any 10% drag reduction would equate to about a 5.5% improvement in mpg at constant speed.
At 69 mph,you'd pickup 6% mpg for any 10% drag reduction.
So with your new mpgs,you can reverse-engineer your new Cd.
But that was a different segment of road. True, I can make connections to them, but to calculate my actual improvements, I like to remain with that constant.
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Mustang - 54.83 mpg (US) at the Green Grand Prix
Insight - 82.91966 mpg (US) over 818.5 miles.
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