aerohead -
Quote:
Originally Posted by aerohead
For an "official" coastdown you would be required to work with your back-to-back paired runs with each direction reflected,which theoretically would cancel any grade effects of the test road.
But as Metro mentions,you can definitely see a 'trend' if doing back-to-back runs,same piece of road,all same direction,with and without mods,as close together as you can on same day.
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For the majority of us, I think this is the best way to look at it. Don't make the claim that it is having exactly effect X. Simply claim that there is a delta-Y effect. Because we don't have access to the hard tools (wind tunnels) that the big boys do, we have to make do.
CarloSW2