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Old 05-08-2009, 11:12 AM   #146 (permalink)
NeilBlanchard
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Hi,

I'm going to head out soon and do some Cd coast down tests! I'll be recording video on my Fuji point and shoot, so the data gathering will be fairly painless -- I've got it attached to a mini tripod, which I will then tape to my steering wheel, so that it videos the ScanGauge II. I've set it to kilometers...

Questions: I've downloaded the spreadsheet from the Instructables page

How do I get reasonably accurate air density? (I'll check the elevation of my test site in Google Earth!)

How do I get the best guesstimate for tire rolling resistance?
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