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Old 02-22-2014, 09:56 AM   #1
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1974 31' Sovereign
huntingdon , Pennsylvania
Join Date: Jan 2014
Posts: 68
what kind of aluminum

what kind of aluminum ( number) do i need to order for the front square piece on my 1974 soverign?

and does anyone know what size it should be off hand.. im not sure how much is lapped under the corner skins

thanks
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Old 02-22-2014, 03:17 PM   #2
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1971 21' Globetrotter
Arvada , Colorado
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I'd use .040 2024-T3, you will need approx a 4X4 foot piece. You can buy small pieces at Aircraft Spruce
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Old 02-22-2014, 03:55 PM   #3
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1974 31' Sovereign
huntingdon , Pennsylvania
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ok thanks ill order a piece... i think this was replaced before by the po it is very thin and they have a another square piece pop riveted where the trailer plug is... i am going to order a new corner skin also because it is dented.... the PO must have did some work before because they have olympic rivets on the bottom skins on the front....... should i use buck rivets when i replace? looks like they used olympic rivets on the hold down plate and there are all but sherared off or missing
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Old 02-23-2014, 09:54 AM   #4
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1971 21' Globetrotter
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Solid shank rivets are always better then the blind rivets. Be sure to use MS20470AD5-x rivets for the hold down plate.
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Old 07-02-2014, 02:28 PM   #5
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1971 31' Sovereign
Lake Minnetonka , Minnesota
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I have to re do some work on my rear storage compartment, I can pick these sheets up locally, does anyone know if they can be polished like 040 2024-T3?

3003 H14 Aluminum Sheet
5052 H32 Aluminum Sheet
6061 T6 Aluminum Sheet
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Old 07-03-2014, 08:25 AM   #6
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1973 21' Globetrotter
Houston , Texas
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You may have to do some serious investigation to determine what the rest of your trailer is made of. Airstream started experimenting with using 6061 T6 instead of 2024 in the very early 70's (see the attached). My '73 is made of 6061 T6, and will take a shine, though I doubt it would match the look of mirror polished 2024 T3 Alclad.
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File Type: pdf History of Aluminum at Airstream.pdf (58.2 KB, 100 views)
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