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Old 03-06-2008, 02:27 PM   #1
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Originally Posted by evelitalian
here they are, mounted and balanced.now onto the floor and clearcoat removal.
From your photo's, it appears that the axle is border line.

However, when the trailer is loaded, the axle may be beyond border line.

Andy
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Old 03-07-2008, 02:29 PM   #2
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Axle

Andy,Andy,Andy,I had hoped this photo would slip by your radar!what gives you the impression?
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Old 03-07-2008, 03:36 PM   #3
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Andy,Andy,Andy,I had hoped this photo would slip by your radar!what gives you the impression?
When the torsion axles are good, you should see about 2 to 3 inches of the tires "above" the wheels.

From your photo, it "appears" that is not the case.

You can also double check by observing the position of the trailing arm.

If it's near parallel to the chassis, with the trailer unloaded, then it will be, ball park. parallel with the chassis.

If that's the case, then when the trailer is loaded for travel, the trailing arm will be to some degree upward. If that's the case, the axle is done, as the trailer will bottom out when it hits bumps.

Again, this is based on your photo.

Andy
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Old 03-07-2008, 04:07 PM   #4
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Thanks Andy,i will check.but your probably right.just curios if you know of alot of failures with the 60s globetrotters? if i decide to replace the axle,just the axle.keep my hubs and bearings,would it bolt right up?or would there be mods involved?how much would it be delivered to 30230,ga.?I appreciate all your input,regardless of bad news.thanks
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Old 03-07-2008, 04:25 PM   #5
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pics

just went out to snap a few pics,comments welcome
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Old 03-07-2008, 05:27 PM   #6
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Thanks Andy,i will check.but your probably right.just curios if you know of alot of failures with the 60s globetrotters? if i decide to replace the axle,just the axle.keep my hubs and bearings,would it bolt right up?or would there be mods involved?how much would it be delivered to 30230,ga.?I appreciate all your input,regardless of bad news.thanks
You would need to do two things, after the axle was positioned into place.

1. You would need to drill three 1/2 holes thu the axle mounting bracket and the axle mounting plate, on each side of the trailer.

2. You would have to weld the shock brackets in place on the torsion arm.

This is a necessary routine for all Airstreams from 1968 to 1961.

From 1969 and up, they simply bolt into place, with the shock brackets already in place.

For the 1969 Airstream models, switched to a different axle mounting bracket, which is still used, and a axle mounting plate that extended below the frame much moreso than the previous models.

The problem with the older trailers, is that the wheel wells are different from year to year as well as from plant to plant.

Drilling the holes, eliminates the need to extend the axle mount plate, which was much shorter, from 1968 and back.

Keeping the original hub and drum assemblies, is not a good idea.

The originals were two piece and are famous for being way out of balance. New style hub and drums are "unicast", making the hub and drum one piece, and machined to much better tolerances. The hub and drum assembly may still be out of balance, but nothing like the originals.

The new style brakes with oval magnets are much more efficient than the originals.

Andy
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Old 03-07-2008, 05:31 PM   #7
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just went out to snap a few pics,comments welcome
Those photo's tell a different story.

Your axle is ok, but not as good as new.

Check the amount of tire you can see, when the trailer is loaded for travel, and, hooked up to your tow vehicle.

That's the "to be sure" easy test.

Andy
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Old 03-08-2008, 08:17 AM   #8
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Andy,

Is it possible to add one of those "drag" arms to a single axle trailer? I have been concerned about a blowout and my trailer does not have one of those attached.

It would be comforting to know that, if there were a blowout, the trailer would come down on the "arm" and not bottom out on the road.

What do you think?

Thanks!
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Old 03-08-2008, 09:11 AM   #9
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Andy,

Is it possible to add one of those "drag" arms to a single axle trailer? I have been concerned about a blowout and my trailer does not have one of those attached.

It would be comforting to know that, if there were a blowout, the trailer would come down on the "arm" and not bottom out on the road.

What do you think?

Thanks!

That steel plate was popular in the 60's and is called a "skid plate".

It's ok to use, BUT, do not over tighten the U-bolts.

If the U-bolts are too tight, they could alter the performance of the axle.

Single axle trailers should be equipped with nothing but the best tires.

Andy
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Old 03-08-2008, 09:24 AM   #10
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Thanks for the advice Andy!

I am a "freak" about keeping the best quality tires on my Airstream and I keep them covered and treated when not in use.

On second thought, I don't feel comfortable with clamping anything on the axle. I will stick with the good tire advice.

You are the best!!!
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Old 03-08-2008, 09:30 AM   #11
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I understand adding skid plates on leaf spring axles from the 50's, but why would you need them on a torsion axle?

On leaf spring axles, the mounting hardware will drag on the ground if the tire blows out. If the ends of the mounting U-bolts are ground off, the whole axle can come off.

That's not the case with torsion axles, where the wheel, drum and backing plate will keep the bottom of the trailer off the pavement.
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Old 03-08-2008, 09:33 AM   #12
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I understand adding skid plates on leaf spring axles from the 50's, but why would you need them on a torsion axle?

On leaf spring axles, the mounting hardware will drag on the ground if the tire blows out. If the ends of the mounting U-bolts are ground off, the whole axle can come off.

That's not the case with torsion axles, where the wheel, drum and backing plate will keep the bottom of the trailer off the pavement.
The skid plates save the wheel from being damaged in the event of a blow out on a single axle trailer.

Andy
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Old 03-12-2008, 05:08 PM   #13
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axle photos

Hi all,

I'm a newbie poster and am fascinated to see the photos from evelitalian that look like the underbelly of my 66 Globetrotter! And thanks for your reply, Andy. I'll be able to know what I'm looking at!

I'll be preparing my Airstream go about 150 mi where I'll soon begin restoring her in Houston. I bought her 9 yrs ago and traveled some, but for most of the past 6-7 yrs she's been dormant and exposed. I know I'll need new tires, pop some rivets, check out the brakes, electrical, axles, wheels, etc. in preparation for towing. I don't have a tow vehicle and will have to get her towed from Austin to Houston.

Any words of wisdom will be greatly appreciated.

Thanks, everyone! Now that I've retired I'll finally have the opportunity to finish fixing her up.
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