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Old 06-20-2021, 10:43 AM   #10 (permalink)
California98Civic
Cyborg ECU
 
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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 freebeard View Post
This is my favorite dust picture:



...because it shows the various vortexes on an open wheel, Outward at the bottom and rearward at the center and top. The wheel carrying dust forward of the centerline is just icing on the cake.
You have shared this photo a bunch of times, and I never regret the repeat. One of the best shots ever taken for seeing aspects such as separation lines, visualized here beautifully over the front tire and aft of the passenger compartment. You can see the recirculation zone behind the tire recapitulated behind the car and easily connect the principle to the dust sticking on the base area. Would be an excellent teaching tool. In fact, next time I am at El Mirage, I'll see if I can get still shots of dust deposits on one of the roadsters that can compare to this.
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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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