Originally posted by Sleepless
I still have a tendency to look at things from an engineering point-of-view. I can understand the point made about jackknifing, but can't understand how this can help when backing up. The only thing I know of that affects backing up is a change in the orientation of the hitch ball in the hitch, or to put it another way, the pivot point. I am an old coot, so maybe someone can enlighten me.
Thanks.
Bob
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As I understand it when you back a tandem axle trailer up through a curve the wheels don't all travel the same distance or follow the same arc. This provides resistance to the trailer rotating on the axles. A single axle trailer does not have this. when you are backing it up in tends to rotate on the axle . As a result it is a lot easier to jackknife a single axle trailer. The bars on the E2 provide resistance to the trailer rotating. This is why you get more sway on a single axle trailer as well.