Was towing this weekend and was awfully windy - Page 6 - Fiberglass RV


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Old 04-29-2013, 09:52 AM   #71
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Thanks Darrell. I dont plan on putting too much on it. And since I had to move the propane tanks forward for the hooks for the wdh, Im thinking of mounting something on the tongue rails and putting my 2 chairs and small wood table on the front while traveling... but I guess I would need to make covers for them...Im too lazy to want to put it inside once I get home lol.
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Old 05-13-2013, 09:20 AM   #72
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Just some quick measurements with the WDH

Unhooked Hooked with WDH
Rear: 30.75" 30.25"
Front: 31.25" 31"
Receiver: 9.25" 8.75" (sitting on the ball was about 7")

Probably could be tweeked a little more but seems to feel fine driving.

I realized after I disconected that I need 1 more sets of measurements with it just sitting on the ball without wdh hooked up. I found the instructions and they did mention jacking the tongue jack up about 3" higher then normal to hook up the chains... so might try that on friday when I hook up.
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Old 05-13-2013, 09:46 AM   #73
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Originally Posted by deryk View Post
Just some quick measurements with the WDH

Unhooked Hooked with WDH
Rear: 30.75" 30.25"
Front: 31.25" 31"
Receiver: 9.25" 8.75" (sitting on the ball was about 7")

Probably could be tweeked a little more but seems to feel fine driving.

I realized after I disconected that I need 1 more sets of measurements with it just sitting on the ball without wdh hooked up. I found the instructions and they did mention jacking the tongue jack up about 3" higher then normal to hook up the chains... so might try that on friday when I hook up.
Deryk,
If I am reading what you have there correctly, you are saying that the car, sitting by itself is at 31.25" in the front ? And with the trailer hooked up, and WD applied the front of the car is actually lower by 1/4" ? If that is the case, you are transferring too much weight. The front should not go lower than what it was as an unloaded vehicle.
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Old 05-13-2013, 11:05 AM   #74
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Ok thanks George! Will adjust the mount a bit so the ball is a bit more towards my Rav4.

thanks!
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Old 05-13-2013, 11:11 AM   #75
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Our car/trailer was set up by towing professionals and with the WDH installed they have added 100lbs of weight to each front axle of the car compared to the car with no trailer connected.

I am to understand that the WDH is designed to distribute trailer tongue weight to all axles of the combo in almost all cases.

Note we are within all axle load ratings of the car and it is not overloaded.
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Old 05-13-2013, 12:33 PM   #76
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Our car/trailer was set up by towing professionals and with the WDH installed they have added 100lbs of weight to each front axle of the car compared to the car with no trailer connected.

I am to understand that the WDH is designed to distribute trailer tongue weight to all axles of the combo in almost all cases.

Note we are within all axle load ratings of the car and it is not overloaded.
I'm not saying that it's not possible, but I have yet to see a car or truck manufacturer that recommends loading the front axle beyond it's static unloaded weight, when setting up a weight distributing hitch.
As an example, Nissan states in my manual for the Frontier to restore front height to between 50% and 100% of height change. In my case, returning it to the same ride height as measured in inches, exactly corresponded to weight in pounds on the scale.
Loading the front end "heavy" can and most likely does change the alignment and possibly wear front end components more quickly. Alingnment changes almost certainly changes the way the car drives and handles.
Your mileage may vary. Your driving experiences may vary. And your preferences may also vary.
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Old 05-13-2013, 12:47 PM   #77
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I'm not saying that it's not possible, but I have yet to see a car or truck manufacturer that recommends loading the front axle beyond it's static unloaded weight, when setting up a weight distributing hitch.
As an example, Nissan states in my manual for the Frontier to restore front height to between 50% and 100% of height change. In my case, returning it to the same ride height as measured in inches, exactly corresponded to weight in pounds on the scale.
Loading the front end "heavy" can and most likely does change the alignment and possibly wear front end components more quickly. Alingnment changes almost certainly changes the way the car drives and handles.
Your mileage may vary. Your driving experiences may vary. And your preferences may also vary.
It would make sense to me to want to distribute the added tongue weight more or less evenly over all 4 wheels, similar to what you would strive for if you were just adding a load to the vehicle with no trailer. I certainly wouldn't want to change the vehicle's attitude to nose down, though.
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Old 05-13-2013, 12:50 PM   #78
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GMW... a good point. I see you are using a pick up. Pick ups are front heavy and have rear wheel drive. When trailer tongue weight is added to the rear of those vehicles it tends to bring the front to rear weights closer to the ideal 50/50 ratio.

Our car in stock form is at the ideal 50/50 ratio so trying to stay close to that is the goal, even when hooked up. The car handles great with trailer in tow and we have not noticed any unusual wear.

The Op's SUV is somewhere in between the ratio of a balanced car and the unbalanced pick ups.
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Old 05-14-2013, 12:22 AM   #79
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It would make sense to me to want to distribute the added tongue weight more or less evenly over all 4 wheels, similar to what you would strive for if you were just adding a load to the vehicle with no trailer.
Really? When you load a pickup box or van interior, you put all the load in the front quarter of the area, leaving the rest empty so the front axle can get almost as much of the extra load as the rear? To place half a ton of load behind the driver in my van equally on the axles it would need to be a line of lead bricks immediately behind the front seats. In fact, just about any vehicle with significant carrying capacity (such as minivans, SUVs, and pickup trucks) has substantially higher available capacity in the rear axle than the front, and is intended to take most of its payload on the rear axle.

A typical tug starts substantially front-heavy but with equal tires all around and equal (or higher) rear axle rating; properly loaded, the front to rear distribution will be more equal, and possibly rear-heavy (especially in a truck or larger SUV).
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Old 05-14-2013, 12:27 AM   #80
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Our car/trailer was set up by towing professionals and with the WDH installed they have added 100lbs of weight to each front axle of the car compared to the car with no trailer connected.
I believe these are the same towing professionals who disregard every rating and recommendation of the vehicle manufacturer, a factor which should be taken into account when considering their practices as an example.
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Old 05-14-2013, 06:59 AM   #81
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I believe these are the same towing professionals who disregard every rating and recommendation of the vehicle manufacturer, a factor which should be taken into account when considering their practices as an example.
I believe it is obvious the towing professional takes the whole combination (as set up by him) very seriously. That explains his highly respectable safety record (successfully setting up 1,000's of tow vehicles and trailers over more than forty years. That tells the real story.
Many folks I have talk to including myself go to him because of their attention to detail and the safety priority.
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Old 05-14-2013, 07:10 AM   #82
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Really? When you load a pickup box or van interior, you put all the load in the front quarter of the area, leaving the rest empty so the front axle can get almost as much of the extra load as the rear? To place half a ton of load behind the driver in my van equally on the axles it would need to be a line of lead bricks immediately behind the front seats. In fact, just about any vehicle with significant carrying capacity (such as minivans, SUVs, and pickup trucks) has substantially higher available capacity in the rear axle than the front, and is intended to take most of its payload on the rear axle.

A typical tug starts substantially front-heavy but with equal tires all around and equal (or higher) rear axle rating; properly loaded, the front to rear distribution will be more equal, and possibly rear-heavy (especially in a truck or larger SUV).
Brian, we are talking about about several hundred pounds of tongue weight, are we not?
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Old 05-16-2013, 08:03 PM   #83
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Brian, we are talking about about several hundred pounds of tongue weight, are we not?
If the tongue weight is sufficiently high, WD use may be required. I'm just saying that the target of the adjustment of the WD, or any other aspect of the loading plan, should not be (for most tugs) addition of equal load to front and rear axles... the rear usually has more available capacity and should bear the majority of the added load.
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