RexSeven
RexSeven Dork
2/11/10 9:35 p.m.

Can anyone tell me what the purpose of having the front fenders shaped like this is for?

The S2000 came up on another forum's dream car thread. Someone thought it was ugly, so I posted the IMSA RX-7 as a response as to where the shape came from. It must have some sort of functional effect (on the IMSA car at least).

John Brown
John Brown GRM+ Memberand SuperDork
2/11/10 9:38 p.m.

Removing heat from the brake package

RexSeven
RexSeven Dork
2/11/10 9:47 p.m.

Makes sense. Thanks.

NOHOME
NOHOME Reader
2/11/10 10:34 p.m.

Picture #1 high speed airflow management

Picture #2 High speed rice

StevenFV19
StevenFV19 New Reader
2/11/10 10:40 p.m.

The high speed rice may also add some Downforce too, possibly in the IMSA car, but I can't really see the shape b/c of the dark blue color

steven

David S. Wallens
David S. Wallens Editorial Director
2/11/10 10:58 p.m.

Ooo, ooo, on a related note, look for a cool aero story very soon. In fact, I spent this evening talking with the author--an old friend of ours who now works for TRD. His "beat" is NASCAR Nationwide, but he's also done Indy and a bunch of other stuff. Don't worry, he knows our scene, too. (Back in the day he had an autocross Spitfire that was a bit more aero than the rest.)

Shaun
Shaun Reader
2/11/10 11:49 p.m.

Somewhat related, but still. Areo is so damn dynamic, and tricky, and sometimes counter intuitive, that the real results of a given tweak are conjecture with out data intensive empirical testing. I covered damn near most of the bottom of my 96 civic hatch with "coroplast" corrugated plastic in order to decrease drag for gas mileage reasons. The difference that change made to how the car worked was very significant. Case in point- crosswinds, which used to toss it around no longer had effect. It was so pronounced a difference as to feel weird. I don't know what else was going on in terms of down force, brake cooling, balance, yada yada yada, because I was not measuring anything other than gas mileage, but I was amazed at what 1 lb of plastic sheet did to the feel of the car. ,

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