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Old 03-05-2008, 08:49 PM   #1 (permalink)
Paulywog
 
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crx coroplast belly pan finished!

Just finished belly pan using 3 sheets of 1/4" 'natural' color coroplast. Hubcaps too.
Pics @ http://www.paulstoys.blogspot.com

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Old 03-05-2008, 09:51 PM   #2 (permalink)
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Nice job! It's looking good so far.
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Old 03-05-2008, 09:59 PM   #3 (permalink)
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Nice work!

Your car stands are frightening though
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Old 03-05-2008, 10:02 PM   #4 (permalink)
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Excellent work. Where do you get your coroplast? I haven't been able to find it around here. Have you had a chance to put a lot of miles on the setup? I would be a bit concerned about its proximity to the exhaust and catalytic converter.
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Old 03-05-2008, 10:15 PM   #5 (permalink)
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Looks good. Have you driven far/long with it installed yet?
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Old 03-05-2008, 11:03 PM   #6 (permalink)
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Very nice work.
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Old 03-05-2008, 11:06 PM   #7 (permalink)
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I'm in the seattle area. Laard plastics sells 4x8x1/4" sheets for about $12 per.
I shook the crap out of the car and chucked the wheels before going underneath. I'm nota fool, just cheap. Besides my 25 mile commute today, with about 10 minutes of stop and go, outside temp in the mid 50's, the temp guage didn't move. Fan is probably working overtime I'm guessing. Will work on installing radiator vent with cable adjust from inside next.
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Old 03-05-2008, 11:21 PM   #8 (permalink)
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Paul... That/Your blog = awesome!

It's a collection of so many things I'm into... 'bents, small motorized vehicles, micro boats...

The Wheel! In freaking sane! My roommate is looking at me funny because I'm getting excited over a concept centuries old

That, might be a weekend project for me Plus, I like your name - it's just something I grew up with
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Old 03-06-2008, 12:03 AM   #9 (permalink)
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The wheel...build it, you will have fun, damb it.
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Old 03-16-2008, 04:40 PM   #10 (permalink)
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So, where does the engine and exhaust heat go? Is it sucked out through the gap between front and back sections of Coroplast, or past gaps around exhaust pipes/mufflers?

Couple of thoughts:

Near heat sources you may suffer some Coroplast melting. Time will tell, but you could add edging to the Coroplast in the form of aluminum foil tape. This would seal the edge, keeping moisture and crud out, and be a good way to dissipate heat from any hotspots, aluminum foil being a superb heat conductor.

If you need to stiffen the Coroplast, insert thin dowel rods from a lumber yard. Alternatively, use L bracket or extruded aluminum, orienting it to act as flow fences to shunt the under-car airflow gently out to the sides. Google for Ferrari aerodynamics.

What has this done for fuel economy so far?

What about noise level in the car, at freeway speed?

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