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Old 07-21-2014, 01:49 PM   #310 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,299

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 Sven7 View Post
... I have been thinking about a slightly extended nose to get a really, really low stagnation point. Does anyone know if this would be more or less effecive than putting my energy toward a partial kammback/rear window shade? ....
I have been researching similar ideas, thinking about an expanding foam removable lower grill insert. From what I have seen, I should only go about as low as the center of the wheel, which is almost the bottom of the bumper cover. Since the idea is to send more air over and to the sides rather than under the car, I would think the lower stagnation point would interact with the sides and back making whatever drag-reduction mods you do (or don't do) there more relevant.

Quote:
Originally Posted by Sven7 View Post
Last, planning on blacking out the drivers side rear window because I actually don't see out of it at all when driving, and with the heat in the car I'd like to cut down on solar gain. I'll try putting plastidip on the inside of the glass...
My plasti-dip blanking of the top inches of the windshield gets really hot in the direct sun. The paint is on the outside, but the glass is very hot to the touch inside. I used black. Use a bright color? (The art possibilities would be significant, layering different dip colors on the inside of the glass... I see patterns in your future!)
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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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