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03-29-2022, 10:49 AM
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#761
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3 Rivet Member
1971 27' Overlander
Dickinson
, North Dakota
Join Date: Sep 2013
Posts: 129
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Thanks! I always enjoy your attention to details. It's appreciated by many I'm sure. My brother is an AmP and runs a FBO, those aircraft skills definitely are beneficial in working on Airstreams!
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03-30-2022, 01:13 PM
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#762
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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Light above door installed
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03-31-2022, 03:20 PM
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#763
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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Working on the water heater install. Made the cutout on the first try. I've now have to bend up some reinforcement to go around the cutout. Zee chanel with one 1" legs with a height of 1.750. Making it out of 6061-T6. Math is as follows, 1+1+1.75=3.750. Bend deduction for 1/8" radius is .137 per bend. So 3.750-.274 is 3.476, which is my cut width. Bend line is 1/2 of the BD and is .0685. Take .0685 from 1" and the bend line is .09315.
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03-31-2022, 03:35 PM
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#764
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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Here's the piece Attachment 1
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03-31-2022, 06:34 PM
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#765
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Rivet Master
1986 34' Limited
1975 27' Overlander
1969 21' Globetrotter
Conifer
, Colorado
Join Date: Jun 2009
Posts: 8,278
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Very nice work. 6061 T6 is a pretty common aluminum alloy I think. Is that the material your 71 Globetrotter is built with?
David
__________________
WBCCI #8607 VAC Region 11
KnowledgeBase trailer renovation threads: 69 Globetrotter, 76 Sovereign, 75 Overlander, 66 Trade Wind Such fun !
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03-31-2022, 07:12 PM
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#766
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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Mine is 2024-T3
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04-01-2022, 07:50 AM
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#767
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3 Rivet Member
1972 25' Tradewind
fort lauderdale
, Florida
Join Date: Apr 2010
Posts: 205
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Kip,
I have to open up my roof vents to install the Fantastic vent fans. What did/do you use to cut holes in the skin? A nibbler?
thanks
Eric
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04-01-2022, 09:56 AM
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#768
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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I use a 90° die grinder with a cut off wheel. But I have been using one of these for decades and it takes a steady hand. They can get away from you quit easily.
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04-01-2022, 12:46 PM
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#769
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Rivet Master
1973 23' Safari
1977 23' Safari
2018 25' Flying Cloud
Palmer Lake
, Colorado
Join Date: Oct 2005
Posts: 4,092
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Quote:
Originally Posted by ehodg66
I have to open up my roof vents to install the Fantastic vent fans. What did/do you use to cut holes in the skin? A nibbler?
Eric
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I've been using a cutoff wheel with pretty good success, but I prefer my air nibbler and a good file to clean the edges.
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04-01-2022, 12:49 PM
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#770
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Rivet Master
1973 23' Safari
1977 23' Safari
2018 25' Flying Cloud
Palmer Lake
, Colorado
Join Date: Oct 2005
Posts: 4,092
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Quote:
Originally Posted by Aerowood
Working on the water heater install. ...
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Kip, I made the cutout for my water heater, which fits the face frame perfectly, but the foam insulation is too tall. So I can slip the unit in if I take the top half of the insulation off. Did you have to make additional height in your cutout and, if so, what kind of margin did you have for the top row of screws?
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04-01-2022, 04:49 PM
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#771
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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04-01-2022, 06:27 PM
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#772
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Rivet Master
1986 34' Limited
1975 27' Overlander
1969 21' Globetrotter
Conifer
, Colorado
Join Date: Jun 2009
Posts: 8,278
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Thanks Aerowood for the confirmation that your 1971 is still Alclad 2024 T3. Must be Airstream changed materials in 1972, but as usual, I'm not sure of that. I do know my 75 is in fact 6061 T6. It is probably cheaper material. But I can attest it doesn't polish very easily. Alclad is much easier to polish.
Nice your Globetrotter is getting a new water heater. Much better that heating water over an open campfire.
David
__________________
WBCCI #8607 VAC Region 11
KnowledgeBase trailer renovation threads: 69 Globetrotter, 76 Sovereign, 75 Overlander, 66 Trade Wind Such fun !
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04-01-2022, 06:55 PM
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#773
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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I think that Airstream used what they could get the best price on during the transition years. I ran across a Tradewind a few years ago that was made out of 7075-T6, it had serious corrosion issues.
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04-02-2022, 04:40 AM
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#774
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Rivet Master
1973 23' Safari
1977 23' Safari
2018 25' Flying Cloud
Palmer Lake
, Colorado
Join Date: Oct 2005
Posts: 4,092
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Quote:
Originally Posted by dbj216
...Must be Airstream changed materials in 1972, but as usual, I'm not sure of that. I do know my 75 is in fact 6061 T6. ...
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Well, crap. I'm just getting ready to put some patches on my '77 Safari and I assumed it was 2025. I don't want to put shiny 2025 patches on it, if it's 6061. I did some work on the rear marker lights above the window and I "polished" the area before reinstalling them. I say polished because it seemed like a lot of work and not much shine...
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04-02-2022, 06:33 PM
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#775
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Rivet Master
1986 34' Limited
1975 27' Overlander
1969 21' Globetrotter
Conifer
, Colorado
Join Date: Jun 2009
Posts: 8,278
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Sorry for the Highjack
Gotta get back to that water heater installation. But I upset Zep and now he is all confused about exterior aluminum. That makes two of us.
I only mentioned the exterior aluminum on Aerowood's Globetrotter thread because he made his supports out of 6061 T6. So I wondered it that is the material the exterior skins are made of. He would surely know. I read Airstream switched from 2024 T3 to the 6061 T6 sometime in the "early seventies". My 75 Overlander is 6061 T6 with a 95 burnel surface hardness and it is a bear to polish. Maybe like Zep found out. Airstream only used it for a few years in the 1970s. Here is some reading material that might clear the air a bit.
Onward and upward Mr. Aerowood. No more interruptions from me.
David
https://inlandrv.com/history-of-airstream-aluminum/
https://inlandrv.com/history-of-airstream-aluminum/
__________________
WBCCI #8607 VAC Region 11
KnowledgeBase trailer renovation threads: 69 Globetrotter, 76 Sovereign, 75 Overlander, 66 Trade Wind Such fun !
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04-03-2022, 03:09 PM
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#776
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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Water heater install almost done, just have to take apart and paint the front frame and door silver.
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04-04-2022, 05:37 AM
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#777
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4 Rivet Member
1974 31' Sovereign
Sunset Beach
, North Carolina
Join Date: May 2010
Posts: 402
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support pieces
do you think a U channel would be sufficient, instead of a Z channel? I need to install my HW heater as well, and fill in the skin, as the new heater is smaller than the old heater.
I can do a max of .040 aluminum.
Do you think this would be a "better than nothing" yet sufficient application, or should I try to find pieces that are more like the factory z channel?
Mike
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04-04-2022, 09:30 AM
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#778
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Rivet Master
1971 21' Globetrotter
Currently Looking...
Currently Looking...
Currently Looking...
Arvada
, Colorado
Join Date: May 2006
Posts: 3,527
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I use the Z because it's easier to buck the rivets, C would be just fine. If all you have is .040 it will be fine. If you are not in a big hurry I can bend you up some and ship it out to you. I do kinda owe you one.
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04-04-2022, 09:45 AM
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#779
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4 Rivet Member
1974 31' Sovereign
Sunset Beach
, North Carolina
Join Date: May 2010
Posts: 402
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supports
Thanks for the offer, but I have a bunch of scraps that I can use for the water heater support surround.
I will use the 040 and make it a C channel.
I also need to make some curved supportss, so I plan to make those by bending some L's up, use my shrinker/stretcher on them for the curve, and then rivet them together as a Z channel. I did that on my '73 and seemed to work OK
mike
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04-05-2022, 12:39 PM
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#780
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New Member
2022 20' Basecamp
Arvada
, Colorado
Join Date: Apr 2022
Posts: 1
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Kip,
Great meeting you and checking out your Airstream yesterday! I'm only about a quarter way through this thread, but I can already tell who to call when we need free repair services kidding.
Definitely feel free to come up and check out the Basecamp sometime. It's usually easiest for me to take a break from work on Fridays.
- Your neighbor Allan
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