Trilo, I actually wasn't even addressing your post (I had skipped to the bottom after reading a few), but while on the subject I had a different experience: I had bungeed a canopy on a carport and during the week a few of the grommets were stretching the material so much at those bungee points that I had to put some reinforcing tape around the zone to prevent it from coming loose. Later, I had to cut some flaps in the canopy to alleviate the wind load. Now, mind, this was with some silvered canopy I bought thinking that it'd be better than the one that the carport (it wasn't); so I'm guessing that this was more the fault of the cheap tarp than the bungees. Still, the bungees were often quite stretched, usually because the force would get concentrated on a specific grommet rather than causing the other grommets to also feel the force.
The following year I found that rigging guide and tried it out on the carport again -- this time we also used the canopy that came with the carport. Compared to the bungees, the canopy went up very quickly and was easier to fit onto the frame than the bungees because we could tighten the sides together, rather than fight bungees on different sides as they were looped. No problems with stretching or winds either, as the entire rigging redistributes the load "automatically". The placement of the camp, with respect to winds, was probably also a factor as we weren't on a corner of a block like the previous year. Still, I found the running rigging worked better and went up faster than the bungees; I also think it's a superior rigging solution as well. Takedown was also very fast: just untie and yank, or just cut if you're feeling lazy.
To each is own though.
Also, my statement about the bungees being expensive is not correct: they're really not that expensive in bags of 25 for $9.
"The essence of tyranny is not iron law. It is capricious law." -- Christopher Hitchens
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