How To: Measure the drag coefficient of your car (Cd and Crr)
 

Here (link below) is a very good step by step process on how to measure the Cd and Crr of your vehicle.

I like this guy allot, you should also check out the rest of his blog.

IWillTry.org » Blog Archive » Measure the drag coefficient of your car

Hope this helps somebody!

Wayne
SC

I think that this is the updated version of his original "try". There was a thread about this technique a while ago, but this spread sheet seems to be better.

I'm going to try it out as soon as I get the car running again:thumbup:.

Edit- http://ecomodder.com/forum/showthrea...g-cd-8402.html is the thread I was thinking about, but it leads to the same guys' write up on instructables and the spread sheet is the same. My memory must be going a bit wonky.