stock sport spoiler functionality?

spearfish25

Can someone explain the concept of lift? I thought we're talking downforce if we're discussing wings and spoilers.

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FL 4Motion

Yeah, it's weird the way nissan advertises this right? I'd guess zero lift would also amount to zero downforce, and negative lift would equal downforce. At least that's how I interpret it.

m4a1mustang

Depending on how air flows over, around, and underneath the vehicle it can create pressure zones which create lift. The front chin spoiler will control airflow around and underneath the car and the rear spoiler will control how the air flows off the rear decklid, modifying flows so that they do not create lift at speed.

Functional spoilers are not necessarily intended to create downforce. Usually they clean up air flow reducing lift.

Certain spoilers (NASCAR) and wings are what really create the downforce while controlling flow.

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Red__Zed

Generating downforce counters the lift that is generated...

On a street car, you really don't need to be generating positive downforce-- not seeing lift is all you need.