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Old 02-26-2007, 07:26 AM   #1
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neat aerodynamic analysis software...

Hi Guys,

You might like this program. It basically lets you play with the effects of different aero modifications. It's really designed for bicycling. But it does allow you to determine what sort of effect chopping off your side mirrors, etc.

1) Keep in mind that it doesn't directly indicate HP to MPG. This is something you need to experiment with yourself to get a chart.

2) It also can be tough to figure out the Cd effect of different changes. However, it puts a scope of effect on a change. It also indicates how drastically important aerodynamics are, and how big of a difference a few mph makes.

http://www.waiveris.com/projects/hon...rcalcsoftware/ - my writeup about the software and the settings I use for my car.

www.machinehead-software.co.uk/ - the company that supplies the software.

Note: you also need to estimate the effect of your tires. Hands down the Bridgestone RE92 is the BEST tire you can use and I researched to get the rolling resistence of it. You guys might consider running this tire if you don't already.
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John Waiveris - www.invisiblegold.com - www.waiveris.com

2001 Honda Insight 5sp
66 Lifetime MPG
84MPG 1000 miles GA to CT (one tank)
Tour De Sol 2006 - 93.7 mpg day 1 - 80.1 mpg day 2
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Old 02-26-2007, 12:19 PM   #2
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PS: Sorry for the short writeup before. I noticed that lots of people went to the page. I put some words up.

Honestly, I've gotten alot out of this program over the years and wanted to share it with other mpg folks.
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John Waiveris - www.invisiblegold.com - www.waiveris.com

2001 Honda Insight 5sp
66 Lifetime MPG
84MPG 1000 miles GA to CT (one tank)
Tour De Sol 2006 - 93.7 mpg day 1 - 80.1 mpg day 2
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