I'm wanting to build a standard 12 panel hexayurt out of R-Max. The manufacturer lists 1" RMAX as having an R value of 6. Wheras the 2" is about 12.5. Is this going to make a big difference practically speaking? It's only marginally more expensive to upgrade to 2" walls.

Had this idea a while ago. Thought I'd bring it forward. In lieu of a chain/gear system that is vulnerable to dust, why not convert a bicycle to use a pulley/belt drive system? Belts are available in a myriad of sizes, as are pulleys. Probably wouldn't take much fabrication expertise to build one..

So I'm curious about this particular issue. Leaving no trace seems to be a keystone ideal of the culture. How does one offset or at least justify the emissions produced by the event? Between music/lights, climate control, logistics to/from the playa, carbon footprint of all the event-specific items ...

Positive-pressure clean room with two-stage decontamination airlock?