Since science and the law do not seem to matter to you, why don’t you visit a truck freight terminal such as J.B. Hunt or Yellow Freight and speak with some truckers and warehouse workers about your idea.
Period, Paragraph, Over and Out.
End XMIT
They see but do not PERCEIVE. There is a world wide war over oil, tinhorns like chavez and putin jerk us around because of our addiction to it. Semitrucks are the backbone of our economy and any increase in their efficiency would be beneficial to everyone.
Aeroshells began in AL as simple plywood sheets, evolving into the boutique designs of today, as the fish head. Even if a short 10’ to 15’ long tail reduced rear drag to 50% of what it is now, that’s money that stays in their pocket instead of swelling gov’t coffers. The gas tax is a hot issue in congress and state legislatures right now as prices rise for the summer driving season. This isn’t some minor academic question as to the kamm effect, that’s the perfect being the enemy of the good.
As to legal length limits, that disappears in a flash, with the stroke of a pen, when a turbulence/suction reducing tail proves itself in boosting diesel powered truck’s mpg on freeways. Buckminster Fuller had it right in 1933 with his dymaxion car/fish design. Now 74 years later semitrucks are 1/2 way there, the tail is the other half still to be added; as it swims upstream to “spawn”.