improveing aerodynamics underside panels

[green-lantern]

Thanks buddy, looks good

[Toni]

Hard to see but where does the air go after it passes through the radiator?

[sergechronos]

The real question though Erron, is how much would it improve the vehicle at speeds that a car is driven on the streets?

I'd say that it's pretty much like spoilers and the effects don't really come into play until higher speeds, or the effect is minimal until at least highway speeds.

Pending what you make it out of, and how you join multiple panels together, it may or may not be worth the effort. You'd want a way to make the panels easily removed for maintenance, which may require some overlapping for best results.



That is a super quick example (obviously not to scale) I whipped up to give kind of an idea of what I'm thinking. Rather than trying to get panels to butt up against each other perfectly, or make one pan the length of the car, this kind of design would allow for some margin of error.

[green-lantern]

Hard to see but where does the air go after it passes through the radiator?

It's amazing that can help with cooling. You would think it would make it run hotter.

[FeaRpb]

Posting for later reading of this thread.

I have been toying with the idea of setting up something under my car to help at the Texas Mile.

[familyMAN]

I still have a functional front active aero. It doesn't go back as far as erron's but figured it wouldn't hurt, should help cooling, and doesn't weigh too much. Since the old windtunnel data showed it had decent results with a stock VR4 figured a lowered one should be even better for reduced front lift.

No we just need a splitter that attaches to the active aero and retracts like stock so you can still make it over a speed bump

[J. Fast]

Hard to see but where does the air go after it passes through the radiator?

The air gets pulled through the top of the hood via an extractor vent. That is the only place for the pressure under the hood to escape. We tuft wool tested it at High Plains Raceway.

[Erron Spalsbury]

Here's some really good reading....
Why "hood risers" are for ricers and actually hurt the performance of your car.

[i3igpete]

that cowl intake is a great thing if you have a rear turbo with a short intake pipe (which many of us do).