Good Sam Club Open Roads Forum: Why do I need a W/D or sway control
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 > Why do I need a W/D or sway control

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Mike134

Elgin, IL

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Posted: 07/03/22 05:42pm Link  |  Quote  |  Print  |  Notify Moderator

You could checkout the Ford 2012 towing guide pg 27
https://www.fleet.ford.com/content/dam/aem_fleet/en_us/fleet/towing-guides/Ford_Linc_12RVTTowGuide.pdf

* This post was last edited 07/03/22 06:10pm by an administrator/moderator *   View edit history


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Lwiddis

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Posted: 07/03/22 05:47pm Link  |  Quote  |  Print  |  Notify Moderator

A one ton truck wouldn’t need a WDH for an 8000 pound max TT with proper tongue weight IMO.

* This post was edited 07/03/22 06:10pm by an administrator/moderator *


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bikendan

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Posted: 07/03/22 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

justme wrote:

I was hoping for more fact than opinion for my question.
Check the hitch rating. Some say weight distribution is needed above 5000 pounds or 500 tongue weight.
Check for a stamping right on the truck hitch.


I don't think that an owner with a modern diesel 1 ton dually, needs to worry about the loaded tongue of an Airstream trailer.[emoticon]


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time2roll

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Posted: 07/03/22 07:47pm Link  |  Quote  |  Print  |  Notify Moderator

bikendan wrote:

time2roll wrote:

justme wrote:

I was hoping for more fact than opinion for my question.
Check the hitch rating. Some say weight distribution is needed above 5000 pounds or 500 tongue weight.
Check for a stamping right on the truck hitch.


I don't think that an owner with a modern diesel 1 ton dually, needs to worry about the loaded tongue of an Airstream trailer.[emoticon]
Oh I agree. Still the OP posted for assurance.


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blt2ski

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Posted: 07/03/22 10:28pm Link  |  Quote  |  Print  |  Notify Moderator

I'd pull that trailer with my 1500 if I had it. Performance wise it would not be as good as you deezal.....but that is another issue.

If as you note, no fishtail sway on its own, balanced, trailer and truck are level. Continue pulling as is.

A WD does come in handy if your HW pulls too much weight off the front axle. I've found that to be in the 500 lbs OFF the front in order to cause handling issues. That was in the 1500 lb relm with my CC GM rigs with less axel weight ratings than your Ford.

If your trailer does need sway control due to fishtail sway. Find and fix the issue before you put the Sway control bars on your truck. You are putting a bandaid on where you need a tourniquet to fix the problem!

Marty


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BackOfThePack

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Posted: 07/04/22 06:33am Link  |  Quote  |  Print  |  Notify Moderator

Scale it.

Then weigh the truck Solo after dropping trailer.
Full propane & fresh water in trailer plus normal load for camping
Full fuel & passengers plus normal camping load.

2-300/lbs off the Steer at rest is enough to warrant the use. These are placeholder numbers for what happens on the road.

Steering, Handling & Braking are improved by WDH use.

The higher the Rear Axle spring capacity — UNUSED — the likelier the possibility of the Drive Axle losing tire patch contact when the TT moves against the direction of travel.

Couple that to load of Steer Axle tire ground pressure and it’s NOT as good a driver.

I’ve towed my 35’ Silver Streak with and without WD (plus anti-sway, a somewhat separate question). And I’ve been at fifty years this year. It’s not hard to tell the difference.

With a Hensley hitch I can do hard emergency maneuvers at speeds higher than that where you’d roll over. At 55-mph. All day. Suspensions not as good on mine.

My 2500 is at 50/50 FF/RR weight spread on the truck before I hitch. Front axle restoration and increased weight on the trailer tires means the rig stops faster than the truck will solo at 30-mph.

Loss of Control accidents with travel trailers are mainly hard, gusting winds. It’s over in a few seconds. Once traction is lost at the pickup Drive Axle its over. MAYBE the truck based anti sway will kick in soon enough.

You’ve been on this forum a long time. Same as me. But it doesn’t look like you’ve taken to heart the experience of those who know more than you. There are plenty of examples over on AIR of guys with a PPP hitch and trailer disc brakes. It’s almost a toss-up as to which leads in priority. Almost.

Test.

And reference it against 5’er weight scale tickets. The reason for that hitch type is it leaves the Steer at solo value. A little above. But not below.

A 3P hitch replicates that and then totally eliminates sway. 5’ers will sway.

Your trailer is constantly moving. It doesn’t track straight. Anyone can video the movement. A 3P tracks straight. Better than a 5’er.

Live-axle, 4WD pickups are the least stable vehicles on the road. And worse when towing. That you can’t feel anything is a bad sign, not a good one. Pickups roll over in situations where cars slide sideways. A pickup will be the vehicle in a combination MORE likely to initiate a crash as the Airstream is faster thru the slalom behind a better tow vehicle than the truck is while solo.

Put it on the CAT scale as above.
Test braking as above.

What’s the highest speed in a HARD wheel turn from the shoulder across to the median without rolling? 35? 40?

A WDH is EQUAL in importance to both vehicles. (The hitch rigging).

“Weight” is the level where the dummies argue.
It’s the percentage of change which matters.
And that is quite low as static values are what are entered in multi-part formulas.
No different than questions about COG, or Roll Center.
Small changes matter.

Test.

Last I checked both Hensley & Pro Pride both had money back guarantees.
If you expect to travel all over the country it’s a dirt cheap purchase for what it does, even if the price were doubled.

A fully independent suspension Tahoe or Expedition with their shorter rear overhang, better tire options and brake swept area are each a better tow vehicle than what you or I am driving.

The bandaid needed (past proper truck loading) makes considerable difference.

The crosswind load — alone — is the crucial factor.

Test.


.

* This post was edited 07/04/22 06:43am by BackOfThePack *


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Mike134

Elgin, IL

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Posted: 07/04/22 06:39am Link  |  Quote  |  Print  |  Notify Moderator

justme wrote:


I was hoping for more fact than opinion for my question.


Not going to find it on a forum.

JIMNLIN

Oklahoma

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Posted: 07/04/22 06:42am Link  |  Quote  |  Print  |  Notify Moderator

The combo either needs a WD with sway control or it doesn't.
Yours combo meets your expectations.
Another 8k lb trailer with a different ball to axle distance or a host of other difference may need a WD hitch with sway control.

Having pulled 5th wheel...GN....pintle hitch...bumper pull trailers from 7k up to 22k lb trailers ,some times for a living, even a one ton drw truck can have sway issues.
I've ran pony for other drivers with their equipment. Some handled very bad and others great...even tho the owners all said their combo had no handling issues.
It simply depends on the combo and what a driver expectations are.

One size don't fit all in this case.


"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers

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BackOfThePack

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Posted: 07/04/22 06:49am Link  |  Quote  |  Print  |  Notify Moderator

Except I can continue down the roads in winds where you’d have to pull over. Same truck, Jimnlin. Can do maneuvers in which you’d roll. It ain’t about skill.

It’s the side load. Winds, suspensions, and hitch and how they effect the vehicle dynamic.

Weight matters little. I’ve seen 1800-lb trailed compressors take DRWs off the pavement.

BackOfThePack

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Posted: 07/04/22 06:50am Link  |  Quote  |  Print  |  Notify Moderator

Mike134 wrote:

justme wrote:


I was hoping for more fact than opinion for my question.


Not going to find it on a forum.


Test it.
That’s your start to understanding, and to what experience is a guide.

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