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 Post subject: What would you do?
PostPosted: Thu Mar 09, 2017 8:25 pm 
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Joined: Sat Jun 04, 2016 2:59 pm
Posts: 69
OR Year: 2017
OR Model: RT310BHS
Member ID: ORF-9791
So my setup as listed below, is not an enjoyable experience to drive down the road. I just cant seem to find the sweet spot on my setup to keep things from being all over the place going down the road. I ran my rig across the scales a few weeks ago fully loaded down (water and gear) and these were the #s:

Streering Axel: 2680
Drive Axel: 4860
Trailer Axels: 9140
GCVW: 16680

I didnt get a solo weight on the truck as it was getting late and I wanted to make it to the park and get setup before nightfall.

I feel like theres way too much tongue weight which leads the trailer to sway more than I care for... even with a Pro-Pride. Ive set the WD at both ends of the scale and nothing feels right. At this point I just dont know what to do to get this rig to roll smooth and straight.

Thoughts?


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2014 F350 Platinum/FX4 6.7L PSD 3:55
2017 OR RT310BHS (Every option but dual pane windows)
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Last edited by bigl31 on Thu Mar 09, 2017 9:01 pm, edited 2 times in total.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 8:44 pm 
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Location: Sparks Nevada
OR Year: 2015
OR Model: 311FLR
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sway is very rarely caused by too much tongue weight. It is usually caused by too little tongue or sometimes a tire issue. First off, that is a BIG TRAILER for a 1/2 ton truck no matter what fancy hitch you are using!! My guess is you have not upgraded your tires to E rated 10 ply tires either yet. This will help out on the truck side.

When you set up the WDH did you measure the squat on all 4 tires? You should have very close to the same distance down on all 4 corners when the weight is applied and tension is put on the hitch. If you don't have enough tension on the WDH you will be squating in the back. Too much will have you tongue light and lots of sway.

Chris

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 8:55 pm 
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Location: Howard County,MD
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Too much TW will generally not lead to sway. It is a light TW that leads to sway.
You not giving the weight of the solo truck. However it seems to me if the TT axles are at 9100, then the loaded trailer is 12.5% more or close to 10,192. Leaving a TW of 1225. Is your TW that high? I have read that the OEM hitch rating for the F-150 is 1,100. Is that correct?
What is your TW? If it is in fact 1200#'s or so are you exceeding the hitch rating?
Tires is also another issue to consider are you using 80 PSI E rated tires
Weighing the unhitched truck loaded with ready to camp cargo and passenger will give more details.
I suspect a light tongue but honestly I don't have all the facts.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:01 pm 
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OR Year: 2017
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Youre right it is a lot of trailer for a half-ton and I never planned to be pulling with a half-ton but my Excursion died for the final time and I couldnt afford a 3/4 ton diesel at the time. We got a hell of deal on this truck and I probably made a hastily bad decision instead of being patient and finding the right tow vehicle. However this truck is rated to pull more than Im putting on it at 11,500 with GCWV of 17,000.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:06 pm 
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Location: Howard County,MD
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bigl31 wrote:
Youre right it is a lot of trailer for a half-ton and I never planned to be pulling with a half-ton but my Excursion died for the final time and I couldnt afford a 3/4 ton diesel at the time. We got a hell of deal on this truck and I probably made a hastily bad decision instead of being patient and finding the right tow vehicle. However this truck is rated to pull more than Im putting on it at 11,500 with GCWV of 17,000.

It maybe rated to pull more but what is its payload rating? You are feeling the effects of being close or above your limits . It maybe possible to dial it in but your will need to know all your parameters and scaled weights. Distributing the cargo correctly maybe critical to achieving maximum towing performance.
To answer your initial question I would measure my TW and be sure it is at least 12.5% of the GVW of the trailer. A sherline tongue scale maybe a worthwhile gadget to have.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:09 pm 
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Lantley wrote:
Too much TW will generally not lead to sway. It is a light TW that leads to sway.
You not giving the weight of the solo truck. However it seems to me if the TT axles are at 9100, then the loaded trailer is 12.5% more or close to 10,192. Leaving a TW of 1225. Is your TW that high? I have read that the OEM hitch rating for the F-150 is 1,100. Is that correct?
What is your TW? If it is in fact 1200#'s or so are you exceeding the hitch rating?
Tires is also another issue to consider are you using 80 PSI E rated tires
Weighing the unhitched truck loaded with ready to camp cargo and passenger will give more details.
I suspect a light tongue but honestly I don't have all the facts.



I can tell you this thing is like pulling a bucking bull down the road. My Excursion pulled it smooth as a kittens meow on a straight ball. I put 8" of lift on the WD and it got better but still wasnt great.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:12 pm 
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Lantley wrote:
bigl31 wrote:
Youre right it is a lot of trailer for a half-ton and I never planned to be pulling with a half-ton but my Excursion died for the final time and I couldnt afford a 3/4 ton diesel at the time. We got a hell of deal on this truck and I probably made a hastily bad decision instead of being patient and finding the right tow vehicle. However this truck is rated to pull more than Im putting on it at 11,500 with GCWV of 17,000.

It maybe rated to pull more but what is its payload rating? You are feeling the effects of being close or above your limits . It maybe possible to dial it in but your will need to know all your parameters and scaled weights. Distributing the cargo correctly maybe critical to achieving maximum towing performance.
To answer your initial question I would measure my TW and be sure it is at least 12.5% of the GVW of the trailer. A sherline tongue scale maybe a worthwhile gadget to have.


You pose a question I hadnt considered but Id say 1570lbs payload is probably ballpark range but could be as high as 1800.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:25 pm 
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OR Year: 2017
OR Model: RT310BHS
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Lantley wrote:
Too much TW will generally not lead to sway. It is a light TW that leads to sway.
You not giving the weight of the solo truck. However it seems to me if the TT axles are at 9100, then the loaded trailer is 12.5% more or close to 10,192. Leaving a TW of 1225. Is your TW that high? I have read that the OEM hitch rating for the F-150 is 1,100. Is that correct?
What is your TW? If it is in fact 1200#'s or so are you exceeding the hitch rating?
Tires is also another issue to consider are you using 80 PSI E rated tires
Weighing the unhitched truck loaded with ready to camp cargo and passenger will give more details.
I suspect a light tongue but honestly I don't have all the facts.



Heres fords quoted hitch limits:

Hitch Receiver Weight Capacity

Weight-Distributing Max. Trailer Capacity (lbs.)(1)
12,200
Vehicle HiTCH RECEiVER
F-150
Max. Tongue Load (lbs.)

1,220

And no I do not have E rated tires yet. I couldnt justify buying new tires for a new truck.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:35 pm 
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Location: Howard County,MD
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Ok 1220 is decent, but consider you will be at 1200-1300 with a trailer that size.
12.5% of 10,000 (your loaded trailer weight)=1250.
Tires can make all the difference in the world. I understand not wanting to get rid of new tires.
However if they are not rated for the task you may not have a real choice.

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Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
14'Porta Bote w/8.0hp,Splendide,RVLock


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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 9:43 pm 
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Lantley wrote:
Ok 1220 is decent, but consider you will be at 1200-1300 with a trailer that size.
12.5% of 10,000 (your loaded trailer weight)=1250.
Tires can make all the difference in the world. I understand not wanting to get rid of new tires.
However if they are not rated for the task you may not have a real choice.



I need to get a TW scale and use it religiously I guess. Might as well talk the Mrs. into letting me do a complete tire/wheel package swap. Not an ideal plan but if it keeps this rig traveling smooth and not like a fish outta water Im all about it.

I expected 11-1200lbs TW to but I cant imagine it exceeding 1200. However if my suspisions are correct then Im already over 1500 with the 230lbs of hitch.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 10:11 pm 
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bigl31 wrote:
Lantley wrote:
Ok 1220 is decent, but consider you will be at 1200-1300 with a trailer that size.
12.5% of 10,000 (your loaded trailer weight)=1250.
Tires can make all the difference in the world. I understand not wanting to get rid of new tires.
However if they are not rated for the task you may not have a real choice.



I need to get a TW scale and use it religiously I guess. Might as well talk the Mrs. into letting me do a complete tire/wheel package swap. Not an ideal plan but if it keeps this rig traveling smooth and not like a fish outta water Im all about it.

I expected 11-1200lbs TW to but I cant imagine it exceeding 1200. However if my suspisions are correct then Im already over 1500 with the 230lbs of hitch.

Yes you will have to dial it in. Once you get it sorted out it won't be a big deal but initially you will have to figure/know your weights.
Another parameter to know is the PP hitch is rated to 1400's I believe. I had a Hensley and 1400 was the limit. If I remember correctly the propride is the same.
Based on your added info, tires would be my biggest concern.
If the tires are squirrely and flexing, you will have a poor towing experience.
You need a good stiff E rated tire.

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Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 10:42 pm 
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Like Lantley said regarding the tires. You really need to check the tires on your truck. Some F 150 s came with car tires (P) instead of (LT) light truck tires. It gave the trucks a softer ride at the expense of load carrying ability.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 10:50 pm 
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Rigdon wrote:
Like Lantley said regarding the tires. You really need to check the tires on your truck. Some F 150 s came with car tires (P) instead of (LT) light truck tires. It gave the trucks a softer ride at the expense of load carrying ability.


Ive checked them and I dont recall them being P rated but theyre 1760lbs load rated and Im running max pressure of 50psi in them.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 11:12 pm 
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bigl31 wrote:
Rigdon wrote:
Like Lantley said regarding the tires. You really need to check the tires on your truck. Some F 150 s came with car tires (P) instead of (LT) light truck tires. It gave the trucks a softer ride at the expense of load carrying ability.


Ive checked them and I dont recall them being P rated but theyre 1760lbs load rated and Im running max pressure of 50psi in them.


Work with a reputable tire dealer if you feel the need to go to E rated tires. Many people overlook the load rating of the rim. The load limit of the rim should be stamped on the inside of each rim. For more information on this go to this site: http://www.fourwheeler.com/how-to/wheel ... heel-tech/
Quote:
Load Ratings (from the above site)
There is one black-and-white part of wheel selection that you should not overlook - the load rating. Every wheel should have a load rating, and you need to make sure that it's appropriate for your application. Load ratings typically start at 2,000 pounds (per wheel) and go up. That's 8,000 pounds of rated load-carrying capability with four wheels, which will work fine for your Jeep Wrangler with a GVWR of 4,500 pounds. For your Ford F-350 with a GVWR of 10,000, however, you'll want a wheel with a minimum of 2,550 pounds. You'll find that most eight-lug wheels have a load rating of over 3,000 pounds. Often times applications for 1/2-ton trucks create problems because a 5- or 6-lug wheel can be found with a lower weight rating, and people are known to haul some pretty heavy loads with 1/2-ton trucks.

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 Post subject: Re: What would you do?
PostPosted: Thu Mar 09, 2017 11:14 pm 
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bigl31 wrote:
Rigdon wrote:
Like Lantley said regarding the tires. You really need to check the tires on your truck. Some F 150 s came with car tires (P) instead of (LT) light truck tires. It gave the trucks a softer ride at the expense of load carrying ability.


Ive checked them and I dont recall them being P rated but theyre 1760lbs load rated and Im running max pressure of 50psi in them.

You posted that your drive axle was 4860/2=2430 per tire or 670 pounds over your 1760# rated tires!

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Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
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 Post subject: Re: What would you do?
PostPosted: Fri Mar 10, 2017 12:45 am 
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I just picked up my 17 310BHS with my Ram 3500 could not imagine pulling it with a F150.
I weighed the tongue before we put anything in it and it was 1165 lbs.

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