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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Flagstaff design harder to tow?

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Fishwater

New Hampshire

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Posted: 01/11/19 07:42am Link  |  Quote  |  Print  |  Notify Moderator

Thanks to everyone responding, I appreciate the insight. To recap, I agree I should find a good HD shop to inspect & possibly align the axles but I live in a semi rural area with a lot of truck shops but not many good ones, same reason why I won't bring it back to the dealership, great guys but service is lacking to be polite. Still, I will hunt one out prior to spring.

I seriously considered buying a 5er last season since I have more than enough truck but losing the bed space is tough, especially if I want to bring my trail bike. Again, not out of the question but probably my last resort. Plus the cost for what's comparable to what we have is getting up there...

As far as checking the brakes & adjusting, I took the trailer down the highway for a while & then pulled over to measure the wheel temp with my infrared thermometer to detect which wheel was dragging, I found three out of four with higher temps but one was the worst. I adjusted the three while the trailer was connected with a jack but to your point maybe having someone engage the brake & then releasing would show something sticking even when free drag was adjusted properly? Also of note, never once did the brakes smoke or stink prior to adjustment. Although on camp roads occasionally the wheels would lock up aggressively at low speeds which I attributed to the brake controller not being adjusted perfectly after towing to the campground, at that time I was using an aftermarket Tekonsha P3 controller in my first F-350. Again being a new trailer at the time I couldn't imagine (shame on me) that something like dragging brakes wouldn't have been noticed on the long drive from Indiana to NH for delivery.

I know some wiggle & shake is part of the TT experience but again, something just doesn't feel right while towing this particular rig down the road. When we bought it the furthest campground we traveled to was 75 miles each way, since then we have expanded as the girls got older & we want to make trips a few states away before it's too late.

Fishwater

New Hampshire

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Posted: 01/11/19 07:45am Link  |  Quote  |  Print  |  Notify Moderator

My current F-350 6.7l diesel has 3.55's, my last F-350 6.0l diesel with a 60 hp tow tune had 3.73's, either truck is/was more than capable of towing this trailer by all accounts.

donn0128

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Posted: 01/11/19 07:48am Link  |  Quote  |  Print  |  Notify Moderator

One more thought. You might look at rear overhang. If the distance from rear qxle to rear of trailer is a lot that could be contributing to your issues. I understsnd thait can be a real problem with certain short wheel base motor homes.





Boomerweps

Hills of PA

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Posted: 01/11/19 09:23am Link  |  Quote  |  Print  |  Notify Moderator

A carefull reassessment of your hitch set up is in order.
A trip to the scales might help you narrow down your problem.


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bguy

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Posted: 01/11/19 09:59am Link  |  Quote  |  Print  |  Notify Moderator

More tongue weight.


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troubledwaters

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Posted: 01/11/19 10:17am Link  |  Quote  |  Print  |  Notify Moderator

^^^^ I agree, probably not enough tongue weight. A trip to the scales could be really helpful.

myredracer

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Posted: 01/11/19 11:10am Link  |  Quote  |  Print  |  Notify Moderator

First, specs say a Flagstaff 831BHDS is 34' with 8700 lb GVWR. I would expect TW to be up to around 1200-1300 lbs, or maybe even higher when fully loaded. Only way to know for sure is you've simply gotta go to a scale or buy a tongue wt. scale. There can be lots of places to find a scale (to drive through). That is starting to be a long-ish TT and be harder to tame from the start.

We have a Reese DC WDH. We have zero sway, all the time. It is imperative to have the cams centered exactly in the "crooks" in the bar ends. It could be that you might benefit with the next rating of spring bars but I believe this means you have to upgrade the hitch head as well. When TWs get up to around 1200 lbs, keep an eye on the forming bolts that attach the cam arm and snap-up brackets as they can loosen up. There are a few ways to address this if it happens. It happened on our setup with a TW of only 900+ lbs. You may need to install Reese's heavy duty snap-up brackets for that high a TW.

What tires are on the TT? Load range E might be a good idea and keep them inflated to 80 psi. Or check out specs on GY Endurance at LRD. Going one load range up will get you wider tires and that alone can help.

What pressure on the truck? You might find higher psi works better. I run 75 front and 80 rear on our LRE tires for towing and it runs better that way.

Is the TT level to slightly nose down when fully loaded up for camping? I found that being slightly nose down made a noticeable improvement. Had to get a ball with a 1" rise to make it work (along with lowering the hitch head on shank).

Are the bars set up at the correct angle and with the correct number of chain links engaged? Is there any play in the hitch shank to receiver? Reese has shims for that. May not help much but every little bit helps.

We installed shocks on our TT and it made a huge improvement. Not only in sway, but also on twisty mountain roads at speed. It's not a cheap upgrade and I wouldn't spend the $$ until you've looked at everything else. We installed Bilsteins on our F250 and they also helped a lot.

Unlikely, but in some cases it can help to install a better/stonger receiver when you have above average TWs. What rating are the axles on the TT? I would also check the location of the axles on the frame. The truck is fairly new but is there any chance something in the front end is worn? I had to rebuild the front end in our F250 when we bought it at 3 years old as a lease return.

Reducing sway to a minimum involves looking at a number of different factors and no single adjustment or change is going to be the magic bullet. Yes, a 1 ton TV should tow that TT with ease but you still need to look at all the variables that can affect sway.


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wanderingaimlessly

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Posted: 01/11/19 01:35pm Link  |  Quote  |  Print  |  Notify Moderator

Nowhere in these post has speed been questioned, but what speed are you having this issue?
55-60? Or 70+?
All TT fronts are less than ideal as far as wind resistance. And speed increases make this very noticeable.

Fishwater

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Posted: 01/11/19 01:40pm Link  |  Quote  |  Print  |  Notify Moderator

I typically drive with the flow of traffic 55-56mph

* This post was edited 02/13/19 04:24am by Fishwater *

DutchmenSport

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Posted: 01/11/19 02:13pm Link  |  Quote  |  Print  |  Notify Moderator

Delete

* This post was edited 01/20/19 07:48pm by DutchmenSport *

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