Aero mods for chumps...
We're fielding an entry in the ChumpCar World Series, and since the rulebook has absolutely no restrictions on what can be done to it other than the dollars involved it seems to me like an excellent opportunity for some aero development.
The car we're working with is a '96 Dodge Neon. The first track we're running is a little over a 2 mile road course average speed last time I ran it in a simmilar sedan was a bit over 75 MPH, top speed 120MPH, minimum speed 40MPH. The car is basicly gutted with an FIA spec cage and no glass other than the windshield.
Stuff that we test with or use to develop the car is only limited by my pocket book (reasonable but no wind tunnel time), but to stay on budget for the race what we bring to the track can't tally more than ~$100 materials. For tools I've got a good chunk of basic racecar fabrication and repair tools, and a cheapie digital differential manometer.
Actual testing time with the race car will be limited since it is not platable and track time is expensive, but I do have another platable neon which some development work can be done with (this one has all the glass in it).
I'm guessing anything forward of the A pillars should translate well between the two, I'm not sure how much of the underbody stuff from the street legal version will cross over, but I'm sure anything I learn on the upper rear surfaces will be all messed up by the lack of glass in the actual racer.
Given the goals of minimizing drag and maximizing downforce, If this was your car to develop how would you proceed?
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