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No I understand clearly. Thanks for sticky with me on the explanation. BTW, I used the steady throttle method and wrote about it in my WAI test last summer and I don't recall any such objections. I might need to do that test again with steady speed instead of throttle, no? As for this test, since I have already redesigned the skirts, making them hug the body more closely, leaving minimal clearance with the wheels, I can't do a coast down tests on the same design, but I can do coast downs with the new design. Wouldn't I need some pretty high speeds, though? Could I get reasonable results from a coast down between say 55mph to 30mph using specific points on the road for reference?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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