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Old 05-23-2020, 10:41 PM   #512 (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 freebeard View Post
The thinking is the easy part.
  • Sacrificial deck-lid you can drill and weld on?
  • Turnpike-cruiser skirts that terminate in a skeg. (forms outer [diverging] fence[s] of the difusser)
  • Fillet the junction of the spoiler and side plate. Cut the waste out of one or the other.
  • Polymetal get's my vote, but it does leave a raw edge.
I've got a pair of Nissan NX tail lights. Free if you're in the neighborhood. ...
Thanks for the offer of the taillights, but I am not in your neighborhood... all the way down here near the MX border. I have wheel well skirts and i considered connecting them to declid assembly. Not practical. I like poly metal a lot in theory, but I have never worked with it. There ought to be a way to smooth jagged edges, no?

Quote:
Originally Posted by freebeard View Post
Simulpost!


Quote:
Originally Posted by freebeard View Post
Get a decklid and conserve the paint-matching one. Use a single piece of Polymetal that stretches the width of the decklid and from the trailing edge of the spoiler to the rear window glass. It will be a single curve 2-3" thick in the center and make more of an airfoil than a single layer of material. Julian Edgar might approve.
Trying to picture this. Are you suggesting it would not lay flat on the decklid? The lid has some mild compound curves.
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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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