Good and Bad about Blue Ox Sway Pro

Mike Up wrote:
Very good explanation John.

What I don't really understand, as you have stated as well as Blue Ox, is how having the flex creates more spring force than a simple Reese Trunnion chain system without any sway control added.

Even though the Reese bars don't flex as much, they are still adding in force that's equal, as long as you use the same rated bars, chain links, and head tilt. I just can't see how the flex matters as long as there is force.

Hi Mike,

I agree, this is hard to see. I do not know how effective it is. The thing that is different is the angle of the trunnion pin. That large angle "may" help to guide the TT back towards center with the added WD bar force. If the pin was true vertical like many traditional WD hitches it would not have this same effect. I have read this effect before. See here you can create it on a standard round bar WD hitch.

Andy Thompson of Can Am RV in Canada wrote this: See full article: here

Andy wrote:
6) Next check the angle on the ball mount. The ball mount should angle back as much as possible. This angle on the ball mount acts like the forks of a bicycle - it makes the unit want to stay in a straight ahead position (that is why you can ride a bike with no hands).

While Andy does do some "different" things from time to time, I do respect him enough to listen even if I do not always agree. I have to think more on this castering effect to see if I can sort out more on how that angled pivot pin helps guide the TT back in line.

The down side is, the TT has to go this far out to create the effect.

I agree with your other statements, too much hitch head friction can aggravate dog tracking and not allow the camper to come back in align. The lighter the TT and stronger the head friction, the worse this gets.

Hope this helps

John