think of the rear wing of a buggy to be like the 'flight' of a Dart
I think the function of a 10th or 8th scale rear wing works more due to aero drag than actual high/low pressure aerodynamics that a typical full size 'wing' would generate.
its more to do with forced re-direction of air than high/low pressure of an actual wing shaped wing.
but in short, you can tell the difference by just adding a 5mm gurney flap on the back of a wing, remove it completely and the car should feel appauling!
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