HC,tried it. the wrap thing doesn't work as well as it does for the guylines, i guess because i've been tying it off right at the corner of the tarp so it can't twist back like it can in the middle of a suspension line.
i mainly wanted to see if a super simple knot like a slippery half hitch with a bight through the bight would hold with that much weight and very low friction (like a ring)when tied to a single strand of line (trucker's puts less load on the knot) so i knew if it would work tied straight to the ring it would work with the trucker's as well.
the only rings i had were ones i have been using on the corners of my tarp, and they are pretty small. the first one i tried broke, they were what were supposed to be the small 1/2" welded steel rings from strapworks, i suspected they were cast b/c i couldn't see the weld, it held me and some bouncing, but after 20 bounces or so broke. i could see the inside and it is indeed cast which is weaker. i tried a slightly smaller 1/2" ring that was welded for sure, i gave it the same test, it only bent into a slight oval. the first one, the cast steel from strapworks weighed 1.6g. the other ring is 1/2" welded steel ring, either 14 or 15 guage wire, weighs right at ONE GRAM. that's a record, i'll have to double post this on the fig nine thread
. i would go a little beefier than this
, but i think you could go way lighter than descending rings. the big advantage you have with this is, you don't have to get webbing into the ring, you could use 1/2" diameter and lose a ton of weight before you even use smaller/weaker stock, you should be able to find a 1/2" welded steel ring in a heftier guage that weighs 4-5 grams that would be plenty strong. i have actually been having problems finding the thiner ones.(1g and less), the heavier stock ones are more common i think.
anyways, this is good, either way you do it, trucker's or straight, you can tie off with the fastest simplest of knots, and since since it's a slippery knot, adjustment is pretty quick, you should be able to tie it off in a couple seconds. so i guess it is a couple seconds faster to use cinch buckles, but not many.
thanks for the motivation, i knew some of those guy's were tying off their bridge hammocks off with a trucker's, but i guess it took seeing it on a regular hammock suspension for me to think of trying it.