08-19-2004, 04:20 PM
yeah, they smooth out the flow of air coming off the roof.
Turbulence coming off the roof of a sedan/"3 box" style car is a significant source of drag. This is also why the wings on these cars are so big, to catch the air coming off the roof - not just for downforce.
and here I bet you guys thought it was just for looks :p
Turbulence coming off the roof of a sedan/"3 box" style car is a significant source of drag. This is also why the wings on these cars are so big, to catch the air coming off the roof - not just for downforce.
and here I bet you guys thought it was just for looks :p