I trust certain companies with my life.
You're right. The ANSI system has the potential for the fox guarding the hen house. Again, do you trust the fox?
Same here with the trust factor.. which sux because you could be totally passing up on good gear.. I'm sure some of these big name companies all started as unknowns who had perfectly fine products from day one, yet no one trusted them at that time.. if you get what i mean.
Wish i could see some break testing on some of the cheaper stuff.. but then again, the problem with the cheap over seas stuff is usually the quality control/consistency.. not the actual product design itself.
Then there's business like US Rigging Supply.. how many of us use them? There's a few products on their site that are so inexpensive, youd have to believe they are made over seas, however the masses trust them because it says US Rigging Supply.. I'm sure there are quite a few examples like that.. You know, where the identical looking rope brakes will be $70-$80 from one company & $25 from another..
Don't be cheap if you aren't confident that you have the requisite knowledge to determine if a piece of gear is safe.
As far as stamps, I've gotten more lax. I might hang on a 14kn thing, even though the minimum allowable is 24?kn. I try to be mindful when I use lighter weight stuff.
I busted a freaking 6" C-clamp today changing my brakes. I just turned it with my hand. It pushed, I paused, and "ping"... it broke the spine.
You mentioned the 20kn $5 rap rings. They are hollow. Be aware. Running rope applications may see wear eat them.
That really is good advice though... if you don't know enough.. don't buy cheap..
Touching on the ratings you are comfortable using.. what blows my mind is that Yale Cordage video of that rather thick Unitrex being shock loaded & completely failing at such a small load.. it's got something like a 20,000lb rating & all it took was 220lbs falling a few feet to snap it. To be quite honest, that's eff'n scary. Really makes you want to understand your rope designs..
No kidding.. i didnt know these rap rings were hollow, i though they were light because they were aluminumn. Are they all like that? I thought these rings were designed to have rope flow through them.. you know, like the friction savers, etc.. I can only imagne how quickly they would wear with a dirty rope or gouge when used on a bridge & have s steel lanyard snap hooked to them.. maybe i should rethink these specific rings on the bridge..
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