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    Structural stability for my Camper box build and materials selection.

    True and the sandwich panels are also easier to work, but I'm more interested on the safety insured by a farady cage than on a light weigh and very effective insulation. This is my personal position, after all it's an alternative to a steel made panel van (that will never be efficient about the...
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    Structural stability for my Camper box build and materials selection.

    Yep, armaflex is a soft foam, I can put (aka glue) it over the internal surfaces of the box, like for a regular van, then cover everything with whatever like wooden beads. My vw is a boxed tubes frame, also I forgot to say that the japanese truck of the 2nd video I posted here, has the boxed...
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    Structural stability for my Camper box build and materials selection.

    If the vw frame should not be able to flex because it is a boxed frame, then the cabover flexing is because of the box itself and not the truck's frame flexibility, isn't it? The vw's handbook requests 30mm of spacing between the truck's cab and the "superstructure" you want to place in there...
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    Structural stability for my Camper box build and materials selection.

    TY for this point. Didn't know about it... It's the framed version of a regular van, which should be built in the "unibody" way, but in this case it's a boxed frame where the same original 2 members of the van are closed by other 2 members which are almost symmetric to them and welded over them...
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    Structural stability for my Camper box build and materials selection.

    Hello! I want an alu box in order to have the faraday cage just in case a bolt "decides" to strike me :eek: :LOL: yep... If I oversize of few inches (3?) the box I can pit the insulation material like armaflex.
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    Structural stability for my Camper box build and materials selection.

    TY, very explicative, my bubble has just burst. My basis will be the same vw truck of the video of the "flexing cabover" (it's a t6.1, mine is a t5 but basically they are the same van/truck, the newer has just lost a cylinder ?‍♂️), the wheelbase is exactly 3400mm, payload 1500kg or 1600, don't...
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    Structural stability for my Camper box build and materials selection.

    TY again. Thing is, tbh, I have in my mind the class c RVs, which don 't flex that way. A guy from japan solved the problem of the huge flexing cabover by installing a roof rack: It would probably be bad for the mod's registration over the truck's paper but in this way the construction of the...
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    Structural stability for my Camper box build and materials selection.

    So.... it looks like I was right about the cabover's stability, this €54.000 made-by-trained-personnel(TM) box waves so beautifully: (the show starts at 5:48) Actually, i m not sure if this is because of the truck's frame bending or if it's due to the box's structural construction... what do...
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    Structural stability for my Camper box build and materials selection.

    Btw I'm facing something that I would have never thought... You know, here there's a real years-long-lasting muh "economic crisis", italy is a failed state, so I'm surrouded by tons of industrial sheeds which are dismissed for years already; I gave as granted to be able to get one for rent for...
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    Structural stability for my Camper box build and materials selection.

    Hi Fenderfour, thanks for writing to me again. You are right, but I was considering to use such L and T profiles because the box would have no closed spaces I can’t insulate, like how the tubes are. In such case would use more L and T shaped profiles than the tubes, making a kind of...
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    Structural stability for my Camper box build and materials selection.

    Hi! Thanks for helping me. Your box structure is pretty much what I would like for the mine, the TIG welded areas of your box look so beautiful…. I’m also considering MIG welding (TIG is for professionals).
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    Structural stability for my Camper box build and materials selection.

    Hi! Thanks for helping me. Of course, if I could weld, I would add just 1 beam and connect it with short vertical beams ike in your box, but I don’t think that riveting is enough because of the 90° angulars, which imo will bend. So I’m thinking to add to the lateral rectangular tube long beam...
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    Structural stability for my Camper box build and materials selection.

    Hi! Thanks for helping me. You are completely right about the door, I’m fully aware about so, but I have no other choices: in the back side I need to place a dinette-bed and on the sides there are the wheel-arches, and I can’t place the door over them (I will have to add a stepladder, TUV...
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    Structural stability for my Camper box build and materials selection.

    Thank you so much! I would have never found that website... and yep, I want the left side beam to be one piece; while the one on the right can't be so because there will be a door. I also would like to consider to use L shaped profiles like this: and T shaped profiles like this: Do you...
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    Structural stability for my Camper box build and materials selection.

    Hello from Italy, forum. I’m about to build my own camper box on the back of the truck version of the vw T5 4motion van. So I’d like to get some help from the veterans here. Sadly, I have to respect the severe limitations about the allowed weight, because of the driving license limits that we...
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