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Old 01-14-2019, 12:48 AM   #81 (permalink)
Frank Lee
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Join Date: Jan 2008
Location: up north
Posts: 12,762

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
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Quote:
Originally Posted by JulianEdgar View Post
...

Coast-down testing is a good example:
I did an aero paper in college wherein I made several aero add-ons to a Rabbit and attempted to quantify their effects via coast-down testing. I so wanted them to work but had to be wary of test bias. In the end I had to admit the efficacy of the devices (air dam, wedge nose, skirts, etc.) didn't rise above the noise of test variations.

That is why I haven't made solid claims for any mods; I know my testing is crap.

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