Originally Posted by edinatlanta
This is the only proposed one that is past design stage.
I like it for many reasons:
1. It looks very different. If they could open up the rules book so that everyone didn't build the same-looking car (think Can-Am or production sports car racing like ALMS where there's lots of variety), that would really boost fan interest.
2. It uses aero for something other than adding downforce in a way that tries to skirt around some rules the governing body thought would reduce downforce --- F1 is the poster child for the aero cat-and-mouse game. Delta's is actually efficient, and allows for overtaking.
3. The body shape does not dictate engine technology, so different builders can still use whatever engine technology they want. In fact they specifiy that the only engine constraint should be a fuel flow control --- there's your relevance to street cars right there.
They have an interesting comparison to the current Indy formula on their website:http://deltawingracing.com/the-car/comparison/
Same top speed with less than half the horsepower.