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Old 11-23-2011, 12:42 AM   #15
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Anyone know the alloy?
New trailers are apparently made from 3004-H18

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Old 11-23-2011, 01:29 AM   #16
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1962 19' Globetrotter
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THIS MAY HELP!

13 panel end caps were 2024 T3 Alclad.... All other segmented end caps... 7 Panel... 5 Panel and 3 Panel are not 2024 T3! You can not stretch form 2024 is will crack! So they used 5005 in the 7 Panel days and into the 5 Panel days. 5005 is no longer used or produced it has been replaced with other stronger more formable alloys.

I uses 6013, it is designed to be both stretch formed and polishable! However it will never polish to the shin of Alclad.

I too listened to the last VAP and Frank is right and somewhat wrong. The factory can no longer get the 5005 to stretch form end cap segments, It is my believe that all alloys polish up differently and have some what different sheen or luster. I don't think that the factory is not wanting to, rather that they are unable...

SO whats a person do? I uses an english wheel to stretch form new panels, and it takes many hours and skill level that many people don't have. So most people are stuck with finding segments from trailers being scraped out. The major problem with this is no one segment is a like, and you you have two different jig systems used OH & CA so that even through more wrenches into the fun!

The best fix is to fix the panel you have, this may mean to fully remove it and use an english wheel to smooth out the digs and scrapes in the segment, this is way faster than making one from scratch and hided most of the major damage.
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Old 11-23-2011, 06:11 AM   #17
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I have seen a Vintage trailer that did a roll with extensive damage that an English wheel expert took the panels off and rolled them out and reattached. I was surprised at how good it came out. English wheel experts are used for custom aluminum race car bodies and fixing airplanes. If you find one, post his name here as there are a few people who are willing to bear the cost of fixing older units.
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Old 11-23-2011, 06:38 AM   #18
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I too listened to the VAP and it got me wondering if anyone had considered flame spraying aluminum. I don't know much about it and I'm sure if it was doable that being so specialized it would be kind of spendy. Just a thought. Regarding using all new end caps though if they all polish up blueish maybe that would work as they wouldn't stand out?
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Old 11-23-2011, 08:25 AM   #19
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The formed segments on my 71 are not a single alloy sheet. They are in fact an alclad sheet that has been formed. Give me a shot bag, hammer, wheel ,and planisher and I can turn a sheet into a ball but not with alclad as you end up working through the pure aluminum as it is softer. As far as I know alclad can be single stamp shaped if slightly heated.

Easiest way to tell if it is alclad is to cut a small sample and heat it with a torch. If an outer layer lets go before it melts it is alclad.
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Old 11-23-2011, 08:39 AM   #20
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Check with Inland RV as I believe they still have some originals. You could always make a 13 or 15 panel segmented endcap
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Old 11-24-2011, 08:58 AM   #21
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Originally Posted by vinstream View Post
THIS MAY HELP!



I too listened to the last VAP and Frank is right and somewhat wrong. The factory can no longer get the 5005 to stretch form end cap segments, It is my believe that all alloys polish up differently and have some what different sheen or luster. I don't think that the factory is not wanting to, rather that they are unable...

SO whats a person do?
First let me say this all started with someone making a mistake. He in turn walked away from his mistake denying any responsibility and leaving me to make it right.
I spent hours on the phone with Airstream. I offered to drop ship the correct aluminum, I offered to drive it to the factory and even do the work myself. The best line I was given was "It is how we do it. It is close enough, live with it."

My beef is very valid. I was sold "an exact factory made replacement panel", that was NOT an exact replacement. I told the guy in California where, why and how this panel was to be used. I also discussed with the parts manager at Airstream where, why and how this panel was to be used. I even asked questions about stripping and polishing before the segment was even pressed. Neither of them once informed me of it being a different alloy of aluminum. I feel very strongly that both parties not only knew, but looked at this as just a sale and nothing more. Had either of them wanted to make it right, it would already be done. This was close to $300 out of my pocket for the first panel from the California part peddler. A salvaged panel is $500 with crating and shipping. That is $800 in just materials to fix someone else's mistake. In the two weeks following this incident, I have ordered over $2000 in parts. All but $100 of that buying would have been from just one vendor located in California. Now I take my money else where. I also have a new lead on Acryl R now. For years I have been recommending people buy it there, no longer will I be supporting the Company Store.

Just to show you how different the alloy is, I have included some photos. Please note how perfectly the new segment matches the new license plate sent to me by the State of Maryland...
Click image for larger version

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Click image for larger version

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ID:	145904
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Old 11-24-2011, 07:05 PM   #22
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I spoke with a guy at work about the idea of flame spraying aluminum onto a segment and he seemed to think it was doable. At his previous employment they flame sprayed tungsten and ceramic. It sounds like building up a decent layer is not difficult. It's a shame we don't do this at our shop.

If I can find someone who does this local to me I'll be sure to get an idea of cost... I've even started dreaming of using acid to remove the corrosion, a little prep work and a flame spraying whole trailer, zero polishing! (I'm kidding, I imagine it's expensive)..
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Old 11-24-2011, 07:15 PM   #23
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Does this mean....

Quote:
Originally Posted by 62overlander View Post
First let me say this all started with someone making a mistake. He in turn walked away from his mistake denying any responsibility and leaving me to make it right.
I spent hours on the phone with Airstream. I offered to drop ship the correct aluminum, I offered to drive it to the factory and even do the work myself. The best line I was given was "It is how we do it. It is close enough, live with it."

My beef is very valid. I was sold "an exact factory made replacement panel", that was NOT an exact replacement. I told the guy in California where, why and how this panel was to be used. I also discussed with the parts manager at Airstream where, why and how this panel was to be used. I even asked questions about stripping and polishing before the segment was even pressed. Neither of them once informed me of it being a different alloy of aluminum. I feel very strongly that both parties not only knew, but looked at this as just a sale and nothing more. Had either of them wanted to make it right, it would already be done. This was close to $300 out of my pocket for the first panel from the California part peddler. A salvaged panel is $500 with crating and shipping. That is $800 in just materials to fix someone else's mistake. In the two weeks following this incident, I have ordered over $2000 in parts. All but $100 of that buying would have been from just one vendor located in California. Now I take my money else where. I also have a new lead on Acryl R now. For years I have been recommending people buy it there, no longer will I be supporting the Company Store.

Just to show you how different the alloy is, I have included some photos. Please note how perfectly the new segment matches the new license plate sent to me by the State of Maryland...
Attachment 145905

Attachment 145904
Does this mean I can't/shouldn't order a couple of new segments from CA? I have about three segments that need replacing...one for absolute and two that could be lived with. I am worried about ordering if we can't be assured that what we order will fit in with what we already have. Advice?
Sandy
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Old 11-24-2011, 08:57 PM   #24
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Andy at Inland has new ..old...ones. North Dallas RV has new...old...ones. Griffith RV has new...old ones...
So, just look around. They are getting scarce, however.
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Old 11-25-2011, 06:12 AM   #25
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Quote:
Originally Posted by ND10CentCan View Post
Does this mean I can't/shouldn't order a couple of new segments from CA? I have about three segments that need replacing...one for absolute and two that could be lived with. I am worried about ordering if we can't be assured that what we order will fit in with what we already have. Advice?
Sandy
You can. It will fit perfectly. It will be made of the same aluminum as a brand new 2011.

Melody, guess I should had called North Dallas or Griffith. The first guy you mentioned has NNS not NOS there is a vast difference between the two.
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Old 12-09-2011, 04:07 AM   #26
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I have both endcaps from a 69 that are good to excellent for sale. And they are in Florida.
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Old 12-09-2011, 07:27 AM   #27
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You can. It will fit perfectly. It will be made of the same aluminum as a brand new 2011.

Melody, guess I should had called North Dallas or Griffith. The first guy you mentioned has NNS not NOS there is a vast difference between the two.
Tom at Griffith probably had them -- that's who's done 95% of the work on our trailer, and I know he's highly regarded as a body shop, same as North Dallas.
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Old 12-09-2011, 02:37 PM   #28
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The end caps on my 81 look like a different alloy than the straight sections. I expect that on any year trailer that the alloy is going to be different on the end caps than the straight sections. However, if they are both Alclad they would polish up the same. Flame polishing might be easier but the sections could be electroplated with pure aluminum if someone has a tank big enough to do this. I would think a big plating shop could do this. They might also be able to electropolish the resulting part and make it shine like a mirror without you having to touch it. I am sure this would not be cheap but if you have several end caps you wanted to do this way the price would go down. If I were building an Airstream from scratch I would anodize all the sections and not have to worry about corrosion or clear coat etc.

Perry
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