Quote:
Originally Posted by aerohead
Just to further muddy the waters, there's a General Motors 'Optimum' boat tail that Texas Tech wind tunnel tested in 1995 with the 'TAILWIND PROJECT', at the Aero Lab.
It's a combination of the Ahmed body with 20-degree straight downslope, Bearman's 10-degree side angles, a 10-degree diffuser, and the Bruce Ruefer ( sp?)/ Scott Funderburk, 7%- body height, softened longitudinal edge radii, plus, all-softened 7% radii trailing edges. This would be the most easily fabricated. Length is 93.3% overall body height if memory serves me.
Which would work out at 123.15" for Moby. Kinda long! I'll verify that.
If you could figure out how to collapse it, it would be an option to the trailer.
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Ahmed body
So the "Stemco-TrailerTails" are truncated variations of this then...sort of
..with some limitation(DOT or can't make it longer than 1/2 the width), keeping them 4 foot long.