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RobWNY's avatar
RobWNY
Explorer
Aug 11, 2015

Minor sway issue

This past weekend we went camping and on the way home on the interstate I noticed just the slightest swaying of my camper. I didn't think this was possible with the Propride P3 but it was happening. At 55mpg, the towing experience was perfect but while in a 70mph zone, I brought the speed up to 60mph and the rear of the trailer started to sway back and forth about 3 inches. Nothing uncontrollable but I had never experienced this before with the Propride. I simply brought the speed back down to 55mph and everything was fine again. My trailer is a 27 footer that weighs about 8,500 when loaded and my TV is a 2015 Chevy 2500HD. Tongue weight was at 1,100 lbs before we left home. I had no way to check it for the trip back home but it had to be very similar. I did crank the weight distribution up more on the trip home. No real reason for doing so, I just did. Any thoughts on why this happened? Maybe I cranked the weight distribution up too much for the trip home and took off too much tongue weight? Tires on the trailer? I'm scratching my head as to why this happened. Your thoughts are appreciated.
  • IMHO this is telling you that without that hitch you would've been dead on the way home or maybe long before that. You have a very bad sway problem that is being masked by the Propride, but it's so bad that even the Propride can't completely mask it.
  • Check the yoke under the frame. It may be loose allowing the hitch head to move around which will destroy the sway prevention qualities of the hitch.
    Barney
  • I think the only real way to figure out what is going on is to weigh your truck, your combination W/O WD connected and then weigh it again with the WD hooked up. That way you can determine the actual tongue weight and how much weight is being transferred back to the front axle.

    This might be the first story of issues with the Hensley/Propride hitch I have ever read. From reading the Airstream forum you would think that it is impossible for this to happen because these hitches are designed "to prevent sway" not just to dampen it down. I do believe this claim but like all hitches, you will have to get it set up properly.

    You can call Shawn at Propride and he will be able to instruct you as to how the set your hitch up. I have heard lots of good feedback about their customer service.

    Driving 55 is safe but my sweet spot is right at 65. No sway at all with my Equalizer which is a far inferior hitch when listening to Hensley/Propride owners.
  • Anything in the tanks? Sometimes 1/2 full tanks can start sloshing around. Better to be completely full or empty.

    I have felt the occasional wiggle even with the Hensley. It won't sway for me but the movement will go to the weakest point, usually the tires, if not aired up.


    Was the tt loaded differently on the trip home. I have found that even moving one heavy item from the rear room to the front of the tt make a noticeable difference in towing.
  • Also consider that the trailer was loaded in some way that has it pointed
    slightly above 'level'...I prefer pointed slightly 'down'
  • When I owned a TT I used a tongue scale on a regular basis. Always good to know what percent in on the tongue.
  • If tension on the hitch is all that changed it sounds like a reasonable place to start. Changed the setting just for fun? Trying to get a softer ride? I'm not real familiar with thAt hitch but I looked it up on the web a long time back and seem to remember it not having a real high weight limit. Could the hitch be overloaded?

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