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Old 09-24-2011, 10:03 PM   #43
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My curiosity is if the truck crossed the guard rail, and that is assuming the damage to the rail is from this accident, and rolled 3/4 and the trailer only rolled 1/4 there had to be some significant amount of speed to have the trailer slide and come to rest past the truck.

I think Hensley can take a sigh of relief. There does not appear to been any failure point on it. My first though was the over center links on the hitch had not been set allowing the trailer to sway back and forth the width of the hitch. They are set.

As for the trailer coming loose of the truck first there would not be the twisting damage to the receiver. The receiver was attached during at least one of the rolls
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Old 09-24-2011, 11:22 PM   #44
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Stinger drop

I tow a 31' Classic with a F250 PSD and Hensley and my stinger drop is 2". The drop on the stinger in the photo is at least 4". Is a Nissan's rear end really that much higher than a F250's? Would a lighter TV with a higher center of gravity contribute to sway?
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Old 09-24-2011, 11:44 PM   #45
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We recently came across an accident on I-5 South near Grants Pass Oregon. The tow vehicle was a GMC Yukon which was on it's roof in the middle of the freeway and the trailer was an SOB of indeterminable length (probably about 30ft.). After the driver lost control, and the two vehicles separated, the trailer went through (and I mean through) the guard rail and the frame was actually separated from the rest of the trailer. The frame was left standing upright on the guardrail as clean as the day it was welded together, while the rest of the trailer and all it contents were reduced to a pile of small indistinguishable objects surrounded by a ton of pink insulation. It looked like an airplane crash, and but for the frame sticking up in the air, we had no idea it was a trailer at first. Although several of the occupants were airlifted from the site, there were no life threatening injuries to the family inside the Yukon. No real point here except while the vehicles seemed properly matched, this was at the bottom of a long downhill stretch, and you gotta be careful out there!
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Old 09-25-2011, 12:10 AM   #46
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Quote:
Originally Posted by w7ts View Post
I will probably take some heat over this, but I will say it anyway.

This is not a 23 or 25, it its a 31. That is a significant difference in length.

You can quote all the Toyota specs to me you wish, but you would never convince me to tow a 31 foot trailer with one.Ken
WTF...the first post indicates it was a NISSAN Titan towing.
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Old 09-25-2011, 12:10 AM   #47
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An incorrect drop would be a contributing factor. I think the drop on on our Titan with a PP is 3 in. However, we also have the Pro-4x edition which has a higher profile than the other Titan variants. Don't think that ours is any higher than an F-250.

I will say this about an incorrect drop and our Titan:
Our first tow was from the original owner in Baton Rouge to Houston using a drop stinger and ball from a local shop who also installed our brake controller. I had given them the published tongue height and they assured me the set up was correct. Well, I could not drive over 55 at all without the rig wanting to push me all over the road. Very long & uncomfortable first drive home.......
Shortly after, I installed the PP and there was nearly a 2" difference in drop between the ball mount the local guys sold me and the PP. Have not had any sway issues since.

Still, I'll be triple checking this before I tow next week.
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Old 09-25-2011, 01:32 AM   #48
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Hi, glad to hear the people are OK. From my point of view, [my opinion] It looks like the bolts holding the receiver to the center of the bumper sheared off and the the only thing holding it together was the end plates on the frame. Without the center bolts, the tubes are the weak point. I believe, [my opinion again] that this type of hitch [projection] puts more force on the receiver. And like the other Bob, from the other coast, I would never trust any round tube receiver. [also my opinion] In this case, I would rule out operator error and consider this a mechanical failure.
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Old 09-25-2011, 05:18 AM   #49
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Quote:
Originally Posted by ROBERTSUNRUS View Post
Hi, glad to hear the people are OK. From my point of view, [my opinion] It looks like the bolts holding the receiver to the center of the bumper sheared off and the the only thing holding it together was the end plates on the frame. Without the center bolts, the tubes are the weak point. I believe, [my opinion again] that this type of hitch [projection] puts more force on the receiver. And like the other Bob, from the other coast, I would never trust any round tube receiver. [also my opinion] In this case, I would rule out operator error and consider this a mechanical failure.
The link hansom-man put up, has detail pix of hitch, and it doesn't appear the center box point is bolted up to the bumper/frame, at all.
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Old 09-25-2011, 05:30 AM   #50
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Quote:
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....it was and still is a weak point with GM.

IMHO....If it looks like this, replace it.
Bob,

We have a 2008 HD2500. Reading some of the posts on this forum over the last couple of years has caused me to keep an eye on the welds, although maybe I don't do it as often as I should - I try t at least take a look at the start of every trip.

I haven't seen any problem yet - well I'm not sure, I did notice a bit of rust at one weld and wondered if that might indicate a crack starting. Maybe I'd better check again today, this time using an illuminated magnifier!


Perhaps I should just have it changed anyway - I think that the way the Hensley hitch works must put a lot more strain on the hitch.

Do you know if there are there recognized leaders in the field in terms of strength if I go looking for an aftermarket replacement hitch for my GMC?


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Old 09-25-2011, 06:04 AM   #51
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Brian,

Some reading on the subject.

..... you hit the rivet right on the head, a new quality receiver is very CHEEP insurance....

I used the Reese Tow-Beast V, with a welded 2" insert. Less than $400.

BOB

http://www.airforums.com/forums/f464...ver-54796.html

http://www.airforums.com/forums/f464...les-34603.html


http://www.airforums.com/forums/f464...tch-58202.html

http://www.airforums.com/forums/f464...500-40825.html
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Old 09-25-2011, 08:13 AM   #52
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Quote:
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WTF...the first post indicates it was a NISSAN Titan towing.
Is there a difference?
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Old 09-25-2011, 08:41 AM   #53
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Not much just like a GM and a Ford. LOL, jim
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Old 09-25-2011, 09:59 AM   #54
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The PO of my 70's 27' Overlander said he had at least one very close call with the trailer wagging his 1/2-ton pickup all over the road, narrowly avoiding a roll-over, and urged me to tow with a 3/4-ton TV. My Overlander weighs in at about 4,300 lbs., which I would guess is thousands of lbs. lighter than a 90's 31' model, never mind being 4' shorter. I think MelodyRanch's caution regarding towing something this big and heavy with a 1/2 ton pickup should not be dismissed, regardless of the other failures that occurred in this accident. I agree that the tubular hitch set-up looks flimsy, especially for such a big trailer, but I bet ANY hitch would be damaged or torn loose by a 31-footer swinging around sideways and falling over, especially with w-d bars making an even more rigid connection to the hitch/tow vehicle.
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Old 09-25-2011, 10:57 AM   #55
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The only 2 31' trailers produced in the 1990's were in 1998 and fully loaded would weigh 8,300 lbs. The Titan is substantially less.

As to Hensley's advertising promising absolutely no sway ever, a certain amount of fluff is allowed in advertising, but product liability lawyers may be interested in this one.

I'm still trying to visualize the rig coming one direction on a 2 lane road, rotating 90˚ in the accident in the relatively short amount of space available.

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Old 09-25-2011, 11:27 AM   #56
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Consider....

Sure glad no one was hurt....this very unfortunate accident has provided 56 posts of speculation.

Lets all just be careful, wait for the reports and move on.

Bob
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