True that none of these designs are actually aerodynamic; but they sure look cool.
If forgot to latch the back of the trailer once. At 45 mph, enough lift is generated to lift the hatch straight up and out. My hatch isn't very light either, it's about as heavy as you want to lift with one hand while reaching for the prop rod with the other.
I think that teardrops would be a great place to start to build a true aerodynamic trailer that work in conjunction with the tow vehicle similar to the camper towing the car mentioned earlier in this thread.
PS: part of the design of my particular trailer is that no material was larger than 4'x8'. Keeps it easy to build. If I built another one of these, I might do something more complicated to build, but more aerodynamic and stylish!
