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Old 04-12-2006, 04:22 PM   #15
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This thread is speaking to two different types of axles. A torsion axle that the spring is inside the axle. The spring is basically rubber. More complex than that but that is the idea. The other type is a leaf spring type. It has metal springs of flat metal on the outside on both sides of the trailer.

Since 1963 is close to the year that Airstream made the change from leaf to torsion, the question would be what type do you have?

If you are going to replace the springs or torsion axle, you may want to consider the total load as pointed out above. Get the trailer weighed. Also if you are adding a gray water tank, assume 8 pound a gallon for that load plus the tank and related piping. Then I would add 10% for the total weight for a safety margin.


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Old 04-12-2006, 05:05 PM   #16
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The side question I asked Millionairstream applies only to the determining the approximate weight of 1959-64 Tradewinds. He and I both have leaf spring axles.

I apologize for starting a side conversation.

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Old 04-12-2006, 05:38 PM   #17
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The axle would be a HADCO if it is the leaf spring type .If ther are no external springs then it is a henchen torsion axle .My 60 tradewind has brand new (not rebuilt) leaf springs and the Hadco axle .My local rv shop says its a 5200lb axle . my trdwnd is a single axle.I t weighs 3500lbs according to airstream weights and measures.Tongue is 310 lbs. I would go with the listed base curb weight as a baseline .Your present axle has to be more than 3500lbs ,thats the weight of the trailer. It appears that most everyone seemingly hasnt really given the leaf springs in there trailers alot of thought .New springs will raise the trailer up to where it was when new . springs also work harden or hardend? as they flex and after 40 years they will get weaker . Springs do break on occasion as well. Most any reputable spring shop can build new ones to exact specs . They can look up all the factory specifications .The trailer with tow and handle much better as well . I just have not read hardly any posts about springs or replacement or them ,Alot of worn out torsion axles though.

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Old 04-13-2006, 09:46 AM   #18
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If you "bump" up the weight rating on your axle (which I really can't understand why you'd want to), make sure your floor is 100% sound. Your trailer will rattle itself to death, if it isn't. This advice came from Colin, when we were at the CBR last weekend. Personally, I'm keeping the same rating on mine, when the time comes for a replacement.

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Old 05-02-2007, 09:48 PM   #19
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I have a 63 tradewind manufacturers rating is 3500# with a 415# tongue weight
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Old 05-04-2007, 10:39 AM   #20
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Originally Posted by 1963tradewin
I have a 63 tradewind manufacturers rating is 3500# with a 415# tongue weight
A 1963 Tradewind is a 24 foot single axle Airstream trailer.

The axle rating is 5000 pounds, not 3500 pounds.

If the data plate on the axle says 3500 pounds, then someone changed out the axle and installed the wrong rating.

A 3500 pound axle would not begin to support the total weight of your trailer.


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