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Old 10-12-2012, 07:23 PM   #1
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Trailer swaying question

Hi all,
Maybe this is a stupid or obvious question, however I was just wondering what your thoughts are on this.
With all things being equal, weight distribution, etc. which trailer sways less, single axle or double axle.
You input would be appreciated. I am thinking about purchasing a trailer in the 22 to 24 foot range. Most are double axle but there a few single. I am leaning toward double axle.

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Old 10-12-2012, 07:41 PM   #2
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I have had both but I couldn't really say. They were different sized trailers and different sized trucks. I tried towing one without the weight distribution and sway control and that was scary. Once the weight and sway are hooked up I don't see much difference.The combo I have now I started right out with an Andersen Hitch and it tows as nice as a fifth wheel I used to have. The thing that worried me most about the single axle was having a blow out. I'm afraid it would be easy to lose control and have a wreck with the single axle. I have had three tires go with dual axles and never could tell anything was wrong until someone pulled me over. Never had a flat with the single.

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Old 10-12-2012, 07:46 PM   #3
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If the W/D and sway bars are set-up properly, it shouldn't matter.

As an aside, if you're considering a 22 - 24 ft single axle camper, be aware that they usually have much less cargo carrying capacity compared to a dual axle. May be very important to you...


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Old 10-15-2012, 10:58 AM   #4
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the double axle will sway less, all things being equal. however we are not talking about significant difference. the extra tire contact patch will resist some sway. if the axles are spread, it will resist sway more.

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Old 10-15-2012, 11:02 AM   #5
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I've found that sway, and eliminating sway, is more a function of getting a 2/3 - 1/3 load split. 2/3 of the weight in front of the axle, 1/3 behind. The closer you get to 1/2 - 1/2, the more sway, and if your reaar weight is heavier than your tongue weight, PLAN on swaying!
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Old 10-16-2012, 09:54 PM   #6
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We have had four trailers, all had dual axels. the only time we had problems with sway was with our first unit which we towed with a full size Ford Bronco. After our second very scary outing I traded the Bronco for a full size Dodge Ram which ended the sway problem. I always thought the sway was a result of the Bronco's short wheelbase.
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Old 10-16-2012, 10:04 PM   #7
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I think that a much bigger factor is the wheelbase of your tow vehicle. The longer the better as far as towing. A popular rule of thumb is to divide the wheelbase of your TV (in inches) by 5. The answer is the number of feet you can safely tow. So, 145 inch WB, divided by 5, yields a 29' foot recommendation for trailer length. All I'm saying is that you should "worry" more about tv wheelbase than whether you are pulling 1 or 2 axles.
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Old 10-17-2012, 12:02 AM   #8
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Double axle will give a better ride (less cargo movement) and is less prone to continued bouncing after a bump. Safer in case of flat too.
I've seen single axle trailer tires in the air after a bump - never seen that with doubles.

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