Quote:
Originally Posted by aerohead
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.
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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.