Remember -- in the end ; everything tastes like chicken.
I found something close to what i was looking for. -
http://www.mayfco.com/cobra.htm
scroll down to the charts.
He is using .42 Cd for his calculations which I think is optimistic. -- I think the open cobra is more like a .54-.60 Cd range.
I need to figure out how to figure that out.
--Steve
Rocket Scientist