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Re: ? Tail-Heavy Trailer Sway
Nehmo wrote:
> "Pull-behind" trailers are trailers that connect to the tow vehicle by
> a ball (or other attaching arrangement) on the back of tow vehicle and
> a trailer hitch on the tongue attached to the front of the frame of the
> trailer. If the trailer is improperly-loaded into a tail-heavy
> condition (in other words, the center of gravity is to the rear of the
> center of the axles) arrangement, it will sway from side to side. But
> why? Why would tail-heavy conditions cause such behavior? The weight on
> the tongue would be negative, but I still can't understand the swaying
> mechanism.
If the CG is behind the pivot point 9 (axles) the trailer will try to
switch ends. This is the swaying. Much like an conventional gear
airplane. Most of the weight is behind the main wheels. They have a
tendency to try to switch ends.
Michelle
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