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Originally Posted by Nerys
If your up for it (I KNOW its a ton of work) unless you already have the data?? ie what kind of improvement would JUST the tail make over a stock car? no belly no wheel skirts etc.. anyway to calculate that?
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I couldn't really predict. Half to 2/3 as effective might be a safe guess, but it's just a guess.
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IE big massive fan into a difuser array to straighten the airflow (think wright brothers wind tunnel)
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Try it and let us know how it works out.
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Originally Posted by JeepNmpg2
Is it still more effiecient to go full conical VS bluff boattail?
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Yes, but there are diminishing returns the longer you make it. I know Phil has posted information about a Mercedes teardrop prototype with varying tail lengths.