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Old 08-09-2016, 06:59 AM   #1
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Fishtail question

I noticed a lot of fishtail in wind and some no wind. do you want the nose of the trailer A: high B: level C: low when going down the road? If high or low how much..1-2 in. when setting still...half a bubble on a level...?

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Old 08-09-2016, 07:11 AM   #2
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Level to slightly below level in front.

Bubbles are not a measurement, levels vary so that is meaningless. You measure from the road surface.
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Old 08-09-2016, 07:13 AM   #3
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Load the front of the Trailer....
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Old 08-09-2016, 07:37 AM   #4
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Level and more tongue weight
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Old 08-09-2016, 08:01 AM   #5
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Can't tell from your picture, but it looks like you have only a weight distribution hitch, not an anti-sway setup. You need both.

Trailer should be loaded with 60% of the weight in front of the axles and 40% behind. Also, trailer should be within 3" of level with truck hitch.
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Old 08-09-2016, 08:35 AM   #6
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Rear air bags...
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Old 08-09-2016, 11:09 AM   #7
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Quote:
Originally Posted by Batten54 View Post
I noticed a lot of fishtail in wind and some no wind. do you want the nose of the trailer A: high B: level C: low when going down the road? If high or low how much..1-2 in. when setting still...half a bubble on a level...?
Hard to tell from your pic, but that looks a lot like my Husky WD hitch, and the trailer looks to be close to 30'. Unfortunately, I can't see whether you've got anti-sway on there. If it's a Husky, their manuals call for TWO sway bars for anything longer than 26', one on either side of the hitch.

Having said that, your rig looks pretty close to level (maybe a little nose up on the TV), so I'm guessing your hitch & WD are set up pretty well. If so, the only issue should be sway control.

So the question is, what's your sway control situation?

Roger
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Old 08-09-2016, 01:52 PM   #8
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1-level (looks too high in front). Park on level ground measure front frame to ground compare to rear frame to ground

2-tongue weight =10-12% of trailer weight.

3-assume you are using a wdh, check spring tension is correct (qty links). With vehicle no trailer connected measure front fender height, hitch trailer w/springbars and remeasure. If the height is the same its good. If lower then you have too much spring that will make the trailer rear end too heavy and fishtail.
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Old 08-09-2016, 01:55 PM   #9
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Sway is usually lack of tongue weight, but tires and lack of psi can also contribute. You are dragging a large sail with a fairly small pickup. Good luck.
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Old 08-09-2016, 02:04 PM   #10
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Tongue weight!!! Like TIMETOGO said
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Old 08-09-2016, 05:40 PM   #11
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Your set up looks level to me. Like others have said sway control on your hitch is key. I had a Husky WD hitch with two sway bars but still had sway. I upgraded to a Reese straight line dual cam. No more unexplained sway. I do get hit with wind blast some times but the trailer and truck move together. Not really sway.
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Old 08-09-2016, 05:41 PM   #12
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Bigger truck.
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Old 08-09-2016, 05:45 PM   #13
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AS noted, level to slightly nose low. But you need a minimum of 10% of the trailer weight on the tongue (better closer to 13%).

But do you have a friction type sway control. If your trailer is close to 30', I'd put on two friction sway control.

Personally, I like the Reese Dual Cam type hitch. It is a it more trouble to set up, but works better.

Another personal preference, I'd use a 3/4 ton truck over the 1/2 ton truck.

Ken
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Old 08-09-2016, 06:22 PM   #14
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As others have mentioned but, I'd also add look at your tire pressures, low pressure will also cause fish tailing, along with excessive speed, how fast are you towing?
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