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Old 07-25-2014, 11:20 AM   #15
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2013 22' FB Sport
Wichita , Kansas
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Love it. We did have to trim some plastic from the wheel wheel and we needed a small step stool to easily get in the trailer now, but that's no big deal to us. No more worries about scraping getting in and out of our driveway, gas stations, etc... is well worth it.
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Old 07-25-2014, 12:08 PM   #16
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So no adverse effects on driveability, handling, etc. I assume. We may have to follow your lead...
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Old 07-25-2014, 12:34 PM   #17
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I have only bottomed it out once- GPS took me the wrong way, and when I discovered it I turned around in a gas station parking lot with a dip-
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Old 07-25-2014, 12:45 PM   #18
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Well, we haven't bottomed out but we've come too close for comfort. We've camped at a number of Vermont state parks, and when the site wasn't flat the black water piping was threatened as we entered and exited.
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Old 08-25-2014, 10:49 PM   #19
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2014 22' FB Sport
Everett , Washington
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Quote:
Originally Posted by tallen5 View Post
Love it. We did have to trim some plastic from the wheel wheel and we needed a small step stool to easily get in the trailer now, but that's no big deal to us. No more worries about scraping getting in and out of our driveway, gas stations, etc... is well worth it.
Would you mind posting a picture of your trailer so i can see the stance.
I have the same trailer and was concerned with stability and handling.
Have you noticed a change in that at all?
Thx
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Old 08-25-2014, 10:56 PM   #20
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Originally Posted by tallen5 View Post
Love it. We did have to trim some plastic from the wheel wheel and we needed a small step stool to easily get in the trailer now, but that's no big deal to us. No more worries about scraping getting in and out of our driveway, gas stations, etc... is well worth it.

Do you have a pic of the plastic you had to trim? I'm trying to picture this since it seems like clearance would be increased....


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Old 08-26-2014, 07:07 AM   #21
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Love it. We did have to trim some plastic from the wheel wheel and we needed a small step stool to easily get in the trailer now, but that's no big deal to us. No more worries about scraping getting in and out of our driveway, gas stations, etc... is well worth it.
Your photo shows that the torsion arms are parallel with the frame.

That suggests that the rubber rods are now history.

Torsion axles only last about 25 years, and then only when used periodically.

Andy
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Old 08-26-2014, 09:31 AM   #22
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I am finding this thread very interesting. We have a 2012 FC FB 25 foot and like to use USFS campground when available. Two weeks ago we were on a road in the Gifford Pinchot NF and came to a repaired slide area. There was a sharp dip that looked a bit too much for us so we turned around. Being able to raise our clearance a few inches sounds very tempting. It sounds like axel alignment would not be affected but i suppose there would be a small affect on towing stability and wind resistance.
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Old 08-26-2014, 09:26 PM   #23
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I'll have the trailer out next week, I'll get a photo or two then. I think im ready to start a Roast Andy thread! Yea I'm sure my 2013 axles are junk and the dealership would have delivered it that way! For everyone else interested the plastic trim was due to a wheel and tire replacement with the larger 16" radials and a little heavier duty rim. The axle drop didnt require any plastic trimming I mispoke earler and need to clarify. So I'll try to post a photo or two in a week or two. Thanks for the questions. I hope this info can help someone.
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Old 08-26-2014, 11:06 PM   #24
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Andy, "talen5's" photos appear to be of a 2013 model Airstream; and the axle and undercarriage look clean and almost new. From your observation and comment, is it possible for the axle to be worn out so soon?
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Old 08-27-2014, 01:28 AM   #25
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Andy's at least partly right. The arms are parallel and should be slanting downward. Check the manufacturer's tag on the axle to see what its capacity is. It might be hard to see because it could be between the axle and a holding tank. But if you have a small digital camera, set it for a close up and take a picture of the tag. Then you can read the tag without straining. Since the axle is fairly new, my guess is that the axle is underrated for the weight of your trailer, or your trailer is overloaded. In either case you should have the trailer weighed to compare it with the rating of the axle. Don't go by the manufacturing tag on the side of the Airstream. It might not match your axle. There's no other way to be certain, you've got to find the information tag on the axle to know. You lost two to three inches with arms that are parallel to the ground, made up for it with the extension kit, but still have an axle that no longer has sufficient arm travel to absorb shock. That can be really hard on the trailer, cabinets and rivets.
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Old 08-27-2014, 01:44 AM   #26
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tags

Just so you know... the first photo is the tag on the old front axle of my Excella. It reads 3,200 lbs. the rear axle 4,000 lbs. (didn't post the photo - wasn't very good). The other photo is Airstream's manufacturing tag with specifications that read the axles are ALL 4,000 lbs. Obviously not. When I put on new MATCHING axles the clearance under my trailer increased about 3 inches.
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Old 08-27-2014, 01:31 PM   #27
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I crawled under my 2012 25FC FB to see about the feasibility of putting in the spacers from Dexter to get more ground clearance. What caught my attention was my trailer has shock absorbers attached to the frame and the axel, one at each wheel. Installing the spacers would change the angle of these shock absorbers. The affect of this I do not know.
Phil
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Old 08-27-2014, 09:53 PM   #28
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I'll have the trailer out next week, I'll get a photo or two then. I think im ready to start a Roast Andy thread! Yea I'm sure my 2013 axles are junk and the dealership would have delivered it that way! For everyone else interested the plastic trim was due to a wheel and tire replacement with the larger 16" radials and a little heavier duty rim. The axle drop didnt require any plastic trimming I mispoke earler and need to clarify. So I'll try to post a photo or two in a week or two. Thanks for the questions. I hope this info can help someone.
The torsion arm position on your axles should be going downward about 20 degrees.

From your photo's, that's not the case.

Possibly the trailer sat still for a long time, or the axle rating is inadequate.

But what does matter, is that when your Airstream hits a bump, the axle will bottom out, which in turn causes excessive shock to the shell. That means you will start seeing some damages from those shocks.

Typically, rivet heads shearing off would be the first clue.

I simply tried to caution you that your axle torsion arms are in the position that indicates somethoing is wrong.

Andy

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Installed the Dexter lift kit today and it worked beautifully. A breeze to install and now we are almost 3" higher than before. Here's the lift info:
Dexter Axle - Trailer Axles and Running Gear Components - #11 Torflex Lift Kit (K71-724-02)

I've included before and after photos plus a photo of the lift kit. You can only purchase the lift kit a package deal for a tandem axle trailer. Since my airstream only has 1 axle, I have the other 1/2 of this kit (enough for 1 axle) for sale now for $90 plus actual shipping. If anyone is interested, PM me.
Granted, the lift kit raised the trailer.

But, a lift kit cannot compensate or change the position of the torsion arms.

Once again, the position of your torsion arms, strongly suggests that something is wrong.

Andy
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