Quote:
|
Originally Posted by OP
I am looking at doing something in the 2 to 4 foot range for length.
|
Let go of the Template. It has a very narrow range of application, and is not fit for your purpose.
In 2-4ft,
pace Mair, l/d (~3/6) give a 50% reduction in Cd. Of this one component.
The top and sides are straightforward, with a curve, slant or box step; the bottom needs special consideration due to the wake from the rear wheelwells.
If that's your vehicle here's a drawing I did for someone else. Hersbird proved out the pillars on the front corners.
...the theory (from others on the forum):
