Drag coefficients - roof down!

Thread starter marcusLondon
Start date May 26, 2006

marcusLondon

New member

May 26, 2006

Anyone know these? I tried a decceleration test in my 987: 80mph to 50mph. A few times with roof up and roof down, on a nice straight flat bit of road. The average results?
Roof up: around 30 seconds
Roof down: 22 seconds

What this tells me is that when I finally get my Boxster back racing I simply have to run with the hard top.... Shame as that's 20kgs I'd love to have lost! I'd just be interested if anyone knows the actual cds.
Ta!
Marcus

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