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Old 30 Mar 2019, 19:53 (Ref:3894329)   #1
Join Date: Sep 2013
Posts: 318
Danathar should be qualifying in the top 10 on the grid
Why wings on GT cars that were never manufactured with them?


It occurred to me to wonder while watching the GS race at Sebring about the external wings on production based sport cars.

Now I'm not arguing for getting rid them (they look cool with them), AND I know there are LOTS of things under the body that the production equivalent would never have.

That being said, of all the things at are different (other than the motor since those are changed somewhat), a back wing on these cars is the most "foreign" especially if the production body was never designed for it.

How might it change the racing if we removed them?

Just at interesting thought question!
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Old 31 Mar 2019, 02:16 (Ref:3894368)   #2
Join Date: Jan 2003
Posts: 1,254
carbsmith is going for a new lap record!carbsmith is going for a new lap record!carbsmith is going for a new lap record!carbsmith is going for a new lap record!carbsmith is going for a new lap record!carbsmith is going for a new lap record!
It's far more complicated than this now, but rear aerodynamic devices first appeared on GT cars because if you take a road car up to 170mph or whatever pretty much the highest priority issue you're immediately going to run into is rear aerodynamic stability. Modern supercars have this sorted (often with wings themselves) but traditionally a road car is going to generate rear lift which is not a good time at racing speeds.

Front lift is also a consideration of course, and say the 911 got a front spoiler before a rear spoiler because the car was so light in the front they could barely steer the things. But once it had that front downforce it needed pretty serious rear aerodynamic devices to keep it balanced, especially the extra back heavy and extremely powerful turbos

On a GTE or GT3 car it would lower cornering speeds and raise straight line speeds, but those cars have diffusers to generate rear downforce anyways so it could work. Most GT4s would need some sort of replacement though. FWD cars really like wings because of the less stable suspension setup they need to overcome their inherent low speed oversteer but aren't necessarily fast enough they absolutely need them.
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Old 31 Mar 2019, 02:58 (Ref:3894371)   #3
Umai Naa
Join Date: Dec 2011
Posts: 7,070
Umai Naa should be qualifying in the top 5 on the gridUmai Naa should be qualifying in the top 5 on the grid
The core market for GT4 and GT3 is gentlemen racers. The aero aids make them easier to drive.
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