Quote:
Originally Posted by Hersbird
Why can't a semi use a simple gap filler that goes a bit down the side of the trailer and be spring loaded so it flexes out in a turn and returns to center. You might have to also tie both sides together so the outside fairing also pulls away in a turn so it doesn't bind as the trailer comes into place. Basically like gills of a fish.
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I’ll start an answer with: the forces involved in deployment are against huge loads. Pressures on either side vary greatly no matter what winds present. IT ISN’T EQUAL.
As a note, too many of y’all have the wrong idea about aero. Straight-ahead forces are almost self-equalizing. Not that important compared to crosswinds. A tall vehicle with high COG and enormous sail area (the trailer skin is larger than your house) has other worries.
Straight ahead is easy. Any vehicle.
Now, ask a pilot about crosswind landings.
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