Rich256

"William Boyd" <williamboyd@cableone.net> wrote in message
news:43imt8F1o4ckoU1@individual.net...
> Rich256 wrote:
>
> > "351CJ" <351CJ@msn.com> wrote in message
> > news:6GTAf.4862$Le2.3199@trnddc04...
> >
> >>"Rich256" <nospam@nospam.net> wrote in message
> >>news:T4PAf.284842$qk4.198687@bgtnsc05-news.ops.worldnet.att.net...
> >>
> >>>"Nehmo" <nehmo54@hotmail.com> wrote in message
> >>>news:1137895163.229965.28440@z14g2000cwz.googlegroups.com...
> >>>
> >>>>"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.
> >>>>--
> >>>> (||) Nehmo (||)
> >>>
> >>>Just having the weight behind the wheels in itself doesn't produce the
> >>>sway.
> >>>It allows amplification.
> >>>
> >>>Many things can get the sway started (wind, bumps in the road, passing
> >>>vehicles) and once going the weight unbalance makes it more difficult
to
> >>>control.
> >>>
> >>>The trailer is like a pendelum hanging out behind the tow vehicle.
The
> >>>closer the weight is to the vehicle the easier it is to control. Try
> >>>holding a board with a weight on it out in the wind. It's a lot easier
> >
> > to
> >
> >>>control if the weight is close in.
> >>>
> >>>The weight and length of the tow vehicle also comes into play. When a
> >>>tail
> >>>heavy pendelum starts to swing it will start controlling the tow
> >
> > vehicle.
> >
> >>>The flex of the tires adds more amplificaton.
> >>>
> >>>
> >>>No matter what you do there is always possibility of sway. The amount
> >
> > of
> >
> >>>weight you put on the hitch is a compromise.
> >>>Only total solution is to put all the weight on the tow vehicle and
> >>>elimiate
> >>>the trailer.
> >>>
> >>>
> >>
> >>By The Way,
> >>
> >>Amplification, this was the only reasonable response to your question...
> >>
> >>
> >
> >
> > Thinking about it a little more one could have a really long trailer
that is
> > very heavily loaded in the rear and you could pull it at very high
speeds,
> > with a short wheelbase vehicle, without any trouble. But only as long
as
> > there is no wind, no bumps or anything else to get it into a sway
condition.
> > But god help you if it begins to swing!!
> >
> > Nothing more frightening than having the trailer begin to do the
steering.
> >
> >
> I think the only way to correct the swaying is to reload the trailer
> properly.
>
>

Not the only way but perhaps the most important. Even tires can contibute.