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Old 06-30-2009, 09:16 PM   #1
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Flipping axle for lift

Has anyone lifted thier Airstream for greater ground clearance? If so was it difficult and do you have pics

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Greg
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Old 06-30-2009, 10:13 PM   #2
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Has anyone lifted thier Airstream for greater ground clearance? If so was it difficult and do you have pics

Thanks
Greg
That can be done, depending on the model year and the condition of the axles.

As an example, if the axle or axles are bad, no matter how high you may shim them up from the frame or axle mounting plates, the axle tube will still be in it's original height above the ground.

The axle tube dictates the real ground clearance, along with the position of the trailing arm, or torsion arm of the axle.

The maximum ground clearance you could achieve, would be with a good axle with a maximum starting angle, which Airstream suggests to be not more than 35 degrees, even though they use 22 1/2 degrees in production.

Andy

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Old 06-30-2009, 10:34 PM   #3
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If you're looking for a used unit ----- I got 3 or 4 extra inches by replacing the axle and using a bit larger tire. The old axle was shot. You can get extra lift with a bit more down angle on a new axle. I wouldn't want to mess with the axle attachment point but I suppose you could.
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Old 06-30-2009, 10:37 PM   #4
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If you're looking for a used unit ----- I got 3 or 4 extra inches by replacing the axle and using a bit larger tire. The old axle was shot. You can get extra lift with a bit more down angle on a new axle. I wouldn't want to mess with the axle attachment point but I suppose you could.

You replaced the axle or the springs? How does replacing the axle give greater ground clearance?

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Old 06-30-2009, 10:49 PM   #5
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You replaced the axle or the springs? How does replacing the axle give greater ground clearance?

Thanks
The starting angle can be increased to a maximum of 35 degrees.

If the torsion axle is bad, a new axle will raise the trailer about 3 to 3 1/2 inches.

But, the lowest part of the trailer, is still the axle tube.

Raising the trailer a foot or more, above the axle, as an example, still would not change the distance between the ground and the axle tube.

If you have a common drop axle, flipping it would give you additional ground clearance, but the alignment would be off.

You would have to correct the toe-in and camber alignments, as they both would be reversed.

Andy
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Old 06-30-2009, 10:53 PM   #6
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You replaced the axle or the springs? How does replacing the axle give greater ground clearance?

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Any Airstream travel trailer built after 1960 does not have springs.
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Old 06-30-2009, 11:12 PM   #7
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Any Airstream travel trailer built after 1960 does not have springs.
So they use torsion bars or what? That would explain sag.
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Old 07-01-2009, 01:50 AM   #8
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axle info.
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