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Why do you want 80 psi? High pressure isn't going to do anything for you. My tires, 325/65r18 (35x13) are rate for 3900 lb at 65 psi, and that's about double the weight any are carrying. I have them at 38psi on the highway.

Oh, ya... totally worth it for that. It's been really hard to find used ones in the states.

If 1/8" steel would work fine there, then 1/4" 6061 should be, and you'd save some weight. The 6061 will be a little less stiff, though. If you want more stiffness, then it's best to have longer legs. Whether it's strong enough depends on the rest your structure, but 1/4" Al isn't wimpy...

I don't think what your plan is a bad one at all, but I wouldn't call a Spacekap light or cheap for a single wall shell. It should be durable and pretty easy to work with and turn into a camper. Will you insulate it?

Except that they are getting all their "R" from a radiation air gap, which I wouldn't trust unless you can ensure that gap. The foam is only 0.2" thick will have an R <1.

Teens will be pretty common in winter up there, with the occasional storm going below 0f... and occasionally -20f. A Bedrug would be a good idea. And something between the frame members of the camper, but no need to to have a lot. R2 would be plenty. Maybe 1/2" neoprene foam?

Ha! Was that 20f a joke? Or did you mean -20f? I go to the warmest place in the western US desert and see 20f more than once in winter. Do you already have the camper? If not, I think something besides aluminum and a tent would be much more suitable for real winter. You don't need a lot of...

Will you be living in this long term? It so, good insulation and a furnace would be high priority I think. And reliability and ruggedness. My first thought is a 1 ton 4x4 pickup with a Scout Kenai. Do you live in Canada now? Is that Canadian $50k? Regardless, it isn't a very big budget for a...

It's at the bottom of every post, in blue. "DIY hardside pop-up build." If you do a search for his threads, you'll get more info.

Check his link.

Great job, Matt... thanks for sharing!

Thanks for posting, that sounds very good to me! It looks like your angles for edge extrusions are limited to 90 and 45 degrees. Is that true, and do you have any plans to offer others in the future? Also, do you have any numbers on what panels alone with the specs above (2mm skins) would...

Did some investigating of towing tests, and I think 1.5 kWh/mi at 75 should about cover it... unless your trailer is a tall brick. That's 1.9 kWh/minute, or 112 kW, which is 150 hp. It makes sense that they'd use something off the self that is capable of that instead of a new engine, but if...

This thing would ideally have a small engine optimized to run at a steady speed and max output... maybe a gas turbine? The engine does not need to supply as much power as the average demand, but close... like 80% or so. The driver can select how they want the charging to operate, depending on...

Maybe Monster?

Indeed! If he is going to all this trouble, a high gloss automotive finish is in order. I should have used Raptor though. It's amazing how visible a 1/2 mm discontinuity is. In the right light you can see it a couple hundred feet away... 😱

No, but it will have a complete BEV drive system including a 95kWh battery pack, with the addition of a complete ICE system and generator. I'd expect it to be more than a comparable diesel, but maybe not a huge amount? Would $10k more than a diesel 1 ton seem reasonable? The more concerning...

When I was investigating, I couldn't find a reliable R value for the HC. One important factor is that "per inch" doesn't really work because the cells are so big that air circulates inside them pretty easily, and transfers energy from the warm to cold skin. That still gives you a little...

Ya, if the road is hilly, even if they aren't that steep, cruise will kill mpg. You sold it fast! (y)

You are definitely building something there also! ;) I think CC uses 17oz skins which is why they are light. Mine are >30oz hand laid, and with a 1.5" PVC core they are right at 1.5 lb/sq ft... which I think is fine. In the grand scheme I think it's best to not go too light. Building mine was...