Cool ideas. THe simple ones really are compelling. My only worry is having a PC power supply and SS Hub so exposed to the elements. I have a habit of accidently dropping stuff ... and into the snow would be bad.
I'm really not worried about moisture / condensation /raide much where I'm at ... and I'll be lucky if any night in December is above 50 F and its really dry cool air at 6500' in CO.
Where I live, I'm not as concerned about it being off the ground, as there isn't much moisture there, even if its snowed ... its a dry snow. I think as long as the box doesn't have holes in it, that allow the snow in easily, it'll be fine.
Anyways, I was thinking of a 1.5" PVC exhaust and using cheapo 40mm fans (one for air intake, one for air exhaust). Then using a combination of a PVC elbow and tee on each side (and exterior) to serve as the vented in and out exhaust ports.
This is one possibility for the 40mm exhaust in/out fan I could use. Its roughly 1.5" fan. I could do two SS HUB enclosures (4 fans) for $13.
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LoginI could see each interior 40mm fan plugged into the SS PS (handy) and then mounted onto a small interior mounting board (square) with a 1.5" hole drilled in the middle of it. That would be attached to the wall of the container. One of these on either side of the container. Then with another 1.5" hole in the case, the PVC exhaust ports would be mounted, connected the mounting board with exterior exhaust PVC ... perhaps using something like what you would use on electrical panels when connecting new PVC to them.
I know, probably way too complicated, but just thinking of doing an el-cheapo computer case with good air-in, air-out and very indirect (weatherproof) exhaust ports. A similar pvc design could be used for the cables in/out ... in a 3rd port ... allow easy cables in/out ... without allowing direct introduction of snow into the enclosure.