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Old 01-09-2016, 11:15 PM   #29
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C130s, 141s, 17s, etc. are not made to exacting lawn furniture standards either, nor do they have their bottom thirds hacked off intentionally to attach third-world quality iron axle mounting brackets that just happen to be handy for racking for ricks of wood we take advantage of as flooring...

Seriously folks, as lawn art they don't need the inside skins but do just a couple Dukes of Hazard jumps across culverts or lift the wheels dragging the tail end just a few times while taking shortcuts up pikes peak and see if the door(s) and windows start popping open randomly or the shell begins leaking daylight and water...
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Old 01-10-2016, 12:45 AM   #30
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Last year we pulled a 1947 Curtis Wright Model 5 from Texas to Los Angeles. No interior skins and no windows. This 68 year old made it home in one piece. "Over engineering" comes to mind.
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Old 01-10-2016, 01:01 PM   #31
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I know that this thread was started about the interior skin, but with all the engineers following it, I'd like to ask a question about the exterior skin, which has been indicated to be the most important structural component.

My '98 was built after Airstream greatly reduced the buck rivet density by using some kind of double stick foam tape at the ribs. On one section of my sidewall, in an area of almost 40 sq ft, I only count 10 rivets. The foam tape has clearly released in these areas, as I can depress the skin over 1/8" before contacting the rib. I'm just wondering how much this has reduced the structural strength of the shell, in comparison to the highly riveted older models. Will these new ones hold up for +50 years like the Airstream of old?
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Old 01-10-2016, 07:05 PM   #32
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Interior skin necessary?

My opinion is that the interior bulkheads provide far more strength than the interior skins, but with the exception of being covered with a very thick and heavy load of snow and/or ice, my 70s era trailer is more than strong enough to tow anywhere without skins or bulkheads.

I wouldn't give it a second thought.

I guarantee that the exterior construction of the trailer is very stout.


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Old 01-10-2016, 07:16 PM   #33
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Interior

The fact is that the interior skins, are indeed a part of the "MONOCOQUE" construction.

It's proven over and over again, that the interior, while not as contributing to the aircraft design as the exterior, is STILL very important.

Airstream learned that the structure needed beefing up, and that's simply why they increased the thickness of the exterior sheets, some years ago.

But once again, since each person owns their Airstream, they certainly are free to discount any and all design criteria that the Airstream engineers have developed over many years.

They then can suffer the losses and somehow blame Airstream for it.

Oh well, I am sure the 2017 models will have some changes. Lets all wait and see.

Andy
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Old 01-10-2016, 09:44 PM   #34
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My 28' TT before purchasing was gutted for years. Not a panel in it. It was towed 100+ miles through the hills of KY to my location without any harm, was it safe? probably not, but the structure showed no signs of stress or torque after towing. That being said it is possible to tow without skins, in good conditions. But be advised that any adverse condition may change the outcome. So would I continue to tow without them if I had a choice? absolutely not! create a access panel that can be removed but intact while towing.
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Old 01-10-2016, 10:05 PM   #35
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Here's what can happen with no interior skin and a wet snow load.
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Old 01-10-2016, 10:08 PM   #36
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Quote:
Originally Posted by Shacksman View Post
Here's what can happen with no interior skin and a wet snow load.
My god! You can never underestimate mother nature!
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Old 01-10-2016, 10:26 PM   #37
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Quote:
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Here's what can happen with no interior skin and a wet snow load.

Yeah. That's kind of exactly the situation I was describing. Maybe some of the engineers need to run their numbers again. That doesn't even look like a lot of snow compared to others I've seen.

Has anyone contacted an engineer at Airstream about this subject?
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Old 01-10-2016, 10:27 PM   #38
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I'll bet the trailers in the background have their interior skins in. 😂😂😂
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Old 01-10-2016, 10:31 PM   #39
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Has anyone contacted an engineer at Airstream about this subject?
Engineer or not you add enough snow to any structure and it will fail.

I'm sure the owner regrets not getting the broom out to knock some off before it got too bad. It had to be showing symptoms before the implosion.
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Old 01-11-2016, 09:25 AM   #40
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I don't believe that was from a snow load unless u can show before and after pics. That looks like a tree damage or a wreck.
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Old 01-11-2016, 09:49 AM   #41
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There is a thread in here somewhere where the owner of the crushed trailer discusses the sad situation.

He says snow load.


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Old 01-11-2016, 10:01 AM   #42
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This is the roof over the cab of my 84 Motorhome. I bought it this way from a fellow in Vermont. I am not sure if it was snow or something else, he did not say. There are no ribs in front or the rear sections of the motorhome, and only the plastic liner inside.
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