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Old 05-29-2020, 11:25 PM   #22 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 5,944

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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Quote:
Originally Posted by JulianEdgar View Post
... I just believe that, for people modifying their cars to achieve lower drag, all these templates (pick whichever one you want) are almost completely irrelevant. ...
That's your belief? I think you mean you don't PREFER them. But they are effective. The tests of the various boat tail projects modeled on the angles and compound curves of the template that I posted and that you admitted you were not surprised would show a benefit demonstrate that one can use the template to effecctively modify road vehicles for greatly reduced drag. The Gen1 Insight projects of Botsapper and MetroMPG on this site reported 9 to 15% improvements in FE in testing. They proved its an effective approach.
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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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