The top open-wheel series in the U.S. is tired of being dominated by stock car racing, and they are fighting back, possibly with a stunning all-new car for the 2012 season called the DeltaWing that debuted at the Chicago Auto Show.

The IRL has said it wants a new, less expensive car for the 2012 season, and several manufacturers, including Swift and current car builder Dallara are submitting proposals, but none are remotely as radical as the DeltaWing.

Radical Delta Wing IndyCar

And that may be the beauty of it. Dario Franchitti, current IRL champion, was impressed. "Is it too weird? I think people can get used to it. I was just thinking that when the first rear-engine car showed up at the Indianapolis 500, and when the first car showed up there with wings on it, people went, 'Oh my God, that's so revolutionary. This is something really different, and I like it. And we've got to do something. It grabs your attention, and as a lifelong race fan, I've seen all different kinds of cars, and this is the first one I've looked at in a long time and gone, 'Oh, my, what in the world....'" More at Orlando Sentinel