04-05-2008, 09:45 PM
|
#14 (permalink)
|
|
Batman Junior
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,530
Thanks: 4,078
Thanked 6,978 Times in 3,613 Posts
|
We know that air flowing in/out of holes in a surface can directly affect Cd without changing projected area- eg. vacuum holes/slots in airplane wings; "active" pneumatic aerodynamic devices at the rear of some experimental vehicles.
|
|
|
|