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**SonicPs** · 03-30-2009, 10:42 PM

Well they all can. And apparently the advantage of the diffuser arrangement is that it makes the rear wing work more efficiently. So it can generate the same downforce for less drag.

I'm no aero-expert but I think that would give the biggest advantage on high-speed high-load circuits, much like Malaysia!

Any car needs a certain amount of front and rear downforce.
Front downforce is mostly generated by the front wing.
Rear downforce is generated by the rear wing and the diffuser.

The more downforce you get from the diffuser the less you will need from the rear wing in order to obtain the same amount of rear downforce.
This means that with a superior diffuser you need to run less angle on the rear wing and thus generate less drag.

IMO given the new rules regarding the rear wing's position the airflow from the diffuser will have minimal direct aero effect on the rear wings performance.

03-30-2009, 10:42 PM	#9
SonicPs Join Date Oct 2005 Posts 577 Senior Member	Well they all can. And apparently the advantage of the diffuser arrangement is that it makes the rear wing work more efficiently. So it can generate the same downforce for less drag. I'm no aero-expert but I think that would give the biggest advantage on high-speed high-load circuits, much like Malaysia! Any car needs a certain amount of front and rear downforce. Front downforce is mostly generated by the front wing. Rear downforce is generated by the rear wing and the diffuser. The more downforce you get from the diffuser the less you will need from the rear wing in order to obtain the same amount of rear downforce. This means that with a superior diffuser you need to run less angle on the rear wing and thus generate less drag. IMO given the new rules regarding the rear wing's position the airflow from the diffuser will have minimal direct aero effect on the rear wings performance.
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