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In continuation of the madness, I have just put on a 4" air dam on the Prius. I only had some "vertical grain" coroplast. I used some stainless brackets I got at the restore. I hate drilling stainless!
First test drive was promising. The butt meter felt an improvement but there were some strange whistling sounds coming from the dam. I was trying to think whether I left something hanging from the car that would whistle like that but then I realized that I had just created a giant pan flute under the car. Ha Ha! The sound generator that hybrids will need in the future!
It goes straight across for now but when I get more coroplast, I will make the sides lower and the centre higher.
The Prius has been starting to approach the Previa in coastdown performance. Hopefully this will take the Prius into the lead.
I'm way behind on my photo documentation. Bad Ecomodder.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
Last edited by orange4boy; 01-29-2010 at 01:32 AM..
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