Interesting thoughts about the vortex due to uneven pressure. I may look further into that.
The soap box cars were very helpful. The picture shown is similar to what I have in mind. The only major difference is a piece behind my head to streamline and match up with the end of the tail. for bad weather i plan on a top to fully enclose it. Other points I noticed were that flat and level to the road bottom was best, as well as the rounded nose and sharp tail. All points I had planned on. I'm shooting for a very similar shape to the middle wing section posted above.
No trike farm made yet, still in the planning stages. I finished an 18v lithium power wheels for my son over the weekend. Have a turbo motorcycle that really should be finished before I start buying materials for this project
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