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Old 05-15-2005, 11:50 AM   #1
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Ferroequine's Avatar
1975 23' Safari
Calgary , Alberta
Join Date: Aug 2004
Posts: 100
Weird aluminum on endcaps?

While stripping our '75 Safari (the project is being posted in this thread), I came across an odd observation.

After stripping, the curved aluminum on the rear end cap appears to have a different "mill" finish on it than the straight sections of the sides (and for that matter the flat piece in the back below the window).

As you can see in the picture, it didn't even come out as shiny right after stripping. Both sides had their plasticoat mostly intact, so there was no oxidization. Even when I tried to polish it, I can't get a good mirror finish on it like I can with the flat pieces. I haven't managed to get a good picture of it yet, but it reminds you a little bit of a tiny "orange peel" effect.

Has anyone seen this before? Does stretching the aluminum change the physical properties somewhat?
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1975 Safari 23'
2004 Ford Expedition Eddie Bauer 4x4
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Old 05-15-2005, 12:21 PM   #2
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1968 26' Overlander
1967 26' Overlander
Lisle , Illinois
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I wonder if it has anything to do with the strech forming process that is used to make the end cap segments???

Tedd Ill
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Old 05-15-2005, 06:29 PM   #3
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2004 25' Safari
. , Illinois
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Till hit it right on...when they form the skins on the end caps, it does this. Your Airstream is 110% normal.
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91
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Old 05-15-2005, 06:32 PM   #4
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Originally Posted by Silvertwinkie
Till hit it right on...when they form the skins on the end caps, it does this. Your Airstream is 110% normal.
You are lucky if Eric is right! You are 10% more normal!
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Old 05-16-2005, 12:41 AM   #5
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1963 24' Tradewind
Seattle , Washington
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I must be 120% normal. Our Argosy, after stripping, I found 3-4 different mill works. The stretch panels also seem to be of heavier aluminum vs. the sides.

Looking good!
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