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Rear decklid spoiler: design discussion
I am considering a "quick" build of a decklid spoiler to hav some fun testingat El Mirage july 21. I am thinking of a small one that extends only as far as the rear bumper (legal limit), is flat/flush with decklid, and curves around side tumblehome as far as taillights. Make it of expanding foam, molding it on the car using wax paper for a "mold release". I might incorporate easily removed side panels for a "box cavity." Maybe finish with fiberglass. Maybe paint it OEM black.
I am thinking of neodynium magnets for attachment but too little time maybe for an order online, so... thoughts about attachment? Other shaping methods and tools?
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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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