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Old 07-08-2015, 05:00 PM   #43
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Joe, good choice. But please be careful with the mounting brackets, keep them tight. The side of my head still hurts when I think about it to much. Also the chains are much easier to hitch and unhitch if you use a socket and long ratchet with extension to get some leverage and move the head and body from directly over the bracket and to clear the battery box.
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Old 07-08-2015, 05:04 PM   #44
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2 1/2 in Blue Ox shank

New 2 1/2 inch Blue Ox shank is very tight. I was using the 2 in shank with a reducer on my Ford F-250. There was so much play in the shank that my last trip bent the receiver pin.
The new shank is so tight I had to do a little filing on the corners to get it to fit. I hope this solves this problem so I can move on to the next one..
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Old 07-08-2015, 05:20 PM   #45
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Mine is also very snug fit. Little to no excess play, which I guess is a good thing.
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Old 07-09-2015, 08:21 PM   #46
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Reinstalling my Blue Ox Sway Pro hitch!

I had a BO hitch installed at Camping World while I had my AS there for a problem with the brakes.

I should have installed it myself and saved some money and aggravation. As soon as I saw the AS hitched to my TV I told them it is mounted too high. They gave me a song and dance as to why it had to be that way and I didn't understand, etc. So I drove home, parked the rig on a level concrete pad, unhitched the trailer, made it level, and guess what, the ball was 5 inches higher than the receiver. The BO instructions say it should be 1 to 2 inches higher. So I went to Sears and bought a breaker bar (BTW the bar works great with a 1" socket as a wrench to tighten and loosen the chain) and a 1 1/8 socket and lowered the ball ultimately three holes. I tried it at 2 holes and it was still high so I went to three. I also had to reposition the chain tension devices as there were not positioned according to the BO specifications.

I have a RAM 1500 with air suspension so I followed their instructions, disabling the air compressor, and after several tries it seems as though I have the rig relatively level using the 8th link from the u-bolt and exposing 3 full links of chain (which is what BO recommends as a starting point). I measured the front fender well and have it back to where it was before dropping the tongue onto the ball.

Is there anything I'm missing?
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Old 07-09-2015, 08:47 PM   #47
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Hans, sounds like you have it under control. It seems the air suspensions really confuse dealership techs. I had the same issues. BO ended up swapping me for the correct drop bar and refunded the the money the dealership charged me for the too short incorrect one. After hooking up I have people try to tell me all the time that my trailer is not level until I drive around the loop and it levels itself right out. Makes for a nice comfortable highway drive.
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Old 07-09-2015, 09:08 PM   #48
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Funny - our setup was quite similar until our tech looked at it and started adjusting. Ended up flipping the stinger to get the coupler low enough to level out the rig. The AS is low enough that it needs a lower ball than SOB trailers. Catches some techs by surprise. Pat
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Old 08-06-2015, 11:11 PM   #49
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Just back from 3600 mile trip. Tried both 8 and 9 link preloads with similar results. Wind moves the rig. Some large trucks have no impact. Some minivans cause considerable wiggle. A bus is enough disruption to require adjustment. Interesting that Semis with good aero and a slow pass are less of a problem. Slowing just 5mph makes considerable improvement. Traveling at 60-65 seems to work unless there is significant wind.

So, now we start to tweak weight and balance.

Interesting that while along side the road, I was working in the rear of the trailer and each truck that passed rocked it quite a bit. But when looking in the mirrors, the trailer does not seem to move, even when you feel the wiggle.

Talked to a fellow who has been towing several years and his experience is that the rigs will wiggle a bit. Kind of wonder if I expect too much from sway control.

Again....thank you for the breaker bar recommendation. Works much better than the stock wrench.

Thanks all. Pat
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Old 08-06-2015, 11:33 PM   #50
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I find by following the instructions for the Blue Ox. It takes very little effort to lock the cams. And even less effort to unlock the cams.
There is no danger of flying parts if you raise the tongue of the coach while hitched to the TV until there is slack in the chains.
On the initial set up I found there was too much tension on the bars. While the rig appeared to be level when set up. The rear tires of the tandem axle coach were running hotter than the front tires. Dropping the tension by one link solved the problem.
I don't believe there is an equalizer hitch out there that will totally eliminate the buffeting effect. Especially on windy days.


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Old 08-07-2015, 06:46 AM   #51
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I've been considering switching to the Blue Ox from my Equalizer and these reports of sway are disturbing. On my recent trip to Utah I had no issues with sway in stiff crosswinds, passing trucks or cars. A slight push was felt occasionally when a boxy truck passed. I find the Equalizer does a great job at sway control. I just don't like the constant greasing and noise despite using the bracket jackets. Making head adjustments require disassembling the head and high torque settings on the bolts which I can't tell are correct using a long breaker bar as my torque wrench only goes to 250 lbs.

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Old 08-07-2015, 09:12 AM   #52
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One thing about sway is a little movement from a truck passing is not an issue to some, but major sway to another owner.
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Old 08-07-2015, 11:43 AM   #53
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Quote:
Originally Posted by avionstream View Post
One thing about sway is a little movement from a truck passing is not an issue to some, but major sway to another owner.
Good point. Personally, I don't consider the push/pull from a passing truck or bus to be "sway" - I use that term to describe the oscillating yaw movement that can be dangerous if it builds out of control.

It seems the issues I've read about have one of a couple things in common - relatively inexperienced trailer drivers and/or smaller tow vehicles with automatic air suspension (which complicates the tuning).

I have no personal experience with the BO hitch, but it seems the WD and sway control are very interdependent to a degree that is not the case with a Reese Dual Cam, Equalizer or PP/Hensley. Doesn't mean it won't be effective, but I suspect some of the issues may be in adjustment or bar selection, e.g. not enough bend in the bars or too light a bar which doesn't provide the torsion necessary to resist the movement of a heavy trailer on a light TV.

Curious to see how this unfolds.
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Old 08-20-2015, 05:38 PM   #54
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Quote:
Originally Posted by khollister View Post
----- snip ------ but it seems the WD and sway control are very interdependent ----- snip ----- issues may be in adjustment or bar selection, e.g. not enough bend in the bars or too light a bar which doesn't provide the torsion necessary to resist the movement of a heavy trailer on a light TV. ---- snip -----.
I've been rolling these comments around in my mind a bit as they seem to be on point. As follow-up, info on the following questions would be appreciated.

Is there any differential force multiplication for sway control built into the BOSP hitch design?

What bars are appropriate.....should the weight choice be aligned to tongue weight or should the bar weight be matched to the trailer's potential sway force?

How does the TV's weight relate to the torsion necessary to control sway?

When reading the BOSP manual and install instructions I did not find guidance on these questions. Key question is - Are 750# bars the appropriate starting point for rigging a 6000# trailer with 600# tongue weight? With the follow-up question of - Under what conditions would a change in bar weight rating be necessary?

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Old 08-20-2015, 05:46 PM   #55
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Pat, those all sounds like good questions to ask the engineers ar Blue Ox. I would be interested to hear what they tell you.
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Old 08-20-2015, 06:13 PM   #56
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PKI, those are million dollar questions. I think the answer leads more to the tow vehicle than trailer. Would you need sand wd/sway setup with ford ranger vs f350.
Here's a forum posting that has a lot of good explanation and info, it's a long string but very informative. It's about Reese anti sway but the principles remain.
http://www.airforums.com/forums/f464...-up-43568.html

It seems that to get the most benefit you want some real curve in the bars just sitting still.
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