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Old 12-21-2013, 04:20 AM   #220 (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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Test me.

What I see in post #219 and third image in post #216 is the smoke loosing all definition in the flow, becoming one hazy cloud adjacent to the body. In post 219, I'm assuming this effect reflects the higher pressures at the front of the roof that then drop as we move aft. And in the thrid image in post 216 it might be a similar presure effect compounded by the turbulence created by the front wheel well.

Assuming I'm in the general ballpark of understanding these images, post 219's image, which seems to be unusually close to the template ideal at the front end and along the roof line, suggests strongly the limits of front end aero. Won't the wake on this body be quite large without boat tailing?

Also, the third image in post 216 suggests that a skirt on the rear wheel wells will have much less benefit without front wheel well skirts, yes? Expect turbulence.
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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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