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Old 07-02-2011, 03:46 AM   #1
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Axle Issue inquiry

So, still awaiting fix info on axles...PT is working with Lippert on issues... After reading a lot of info on axle problems, are the axles supposed to arc up or down? Mine arc down...3500lb axles have bad camber and have odd bounce while in tow...no were near limit at all on loading. Thoughts? TT is 2012 2910bhs tracer...
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Old 07-02-2011, 08:16 AM   #2
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I have never seen axles cambered up..I have seen them cambered down and no noticeable camber at all but not cambered up. Are axles flipped? I have read about this happening before (not on PT's) over on RV.net.
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Old 07-02-2011, 10:29 AM   #3
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I build trailers at home as a sideline hobby. All axels are cambered up in center about 3/4 of and inch because you want toe in. When you add weight to a toed in axel they tend to flatten out slightly. If you have them toed out they wear tires on the inside quite a bit when loaded.
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Old 07-02-2011, 11:33 AM   #4
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The tires lean inward at the top while relatively unloaded...when traveling the back axle tends to bounce and tires wiggle in and out at the top...many co travelers have told me that it isn't right...we will see what PT and Lippert do...so far I am unimpressed with Lippert and maybe we should just put Dexter axles under...hehe...I know I want matching axles under it...
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Old 07-02-2011, 11:35 AM   #5
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The axles bow down in the middle...like a very slight "u".
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Old 07-02-2011, 12:42 PM   #6
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Looking at four different axels on my trailers even the drop axel is bowed slightly up in center.
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Old 07-02-2011, 03:22 PM   #7
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Quote:
Originally Posted by onetonford View Post
I build trailers at home as a sideline hobby. All axels are cambered up in center about 3/4 of and inch because you want toe in. When you add weight to a toed in axel they tend to flatten out slightly. If you have them toed out they wear tires on the inside quite a bit when loaded.
I evidently got the definition of cambered swithched. I meant upside down u not right side up u
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Old 07-02-2011, 06:36 PM   #8
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Here is the camber definition from Dexter.

Quote:
Chamber
The angular relationship of the wheel to the road surface in the vertical plane.
Axels are typically built with a pre-determined bend in the tube that compensates
for the expected deflection under load. Ideally, the tire footprint will contact
the road evenly across the width of the tread.
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Old 07-02-2011, 11:02 PM   #9
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Quote:
Originally Posted by Chewy View Post
The tires lean inward at the top while relatively unloaded...when traveling the back axle tends to bounce and tires wiggle in and out at the top...many co travelers have told me that it isn't right...we will see what PT and Lippert do...so far I am unimpressed with Lippert and maybe we should just put Dexter axles under...hehe...I know I want matching axles under it...
This sounds like a tire balance issue, have you thought about that?
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Old 07-06-2011, 09:33 AM   #10
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Lippert looked at pics and they are going to replace the beams. Getting closer to fixed!
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