According to #7 you have attached flow all down the back window. Instead of a step and flat top, why not a concave curve and eleiminate the step.
There is a race car (I always forget) that used a concave spoon-shaped afterbody to get downforce without a wing.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
___________________
.
.Impossible is just something we haven't done yet. -- Langley Outdoors Academy
|