How strong are rappel rings? It only needs to be about 2x more than your weight to hold you during a rappel (in case you don't rappel smooth). Add a little safety ratio for good measure and it's super good enough. The problem is if it wears down.   / kevhamrich   pulled this rolled aluminum SMC rappel ring off a popular route in Yosemite and it broke at 1.5kN instead of it's 14kN it is rate for, which is legitimately dangerous.

Our results and more thoughts are on our blog page: https://www.hownot2.com/post/rappel-ring

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Intro
00:45 Aluminum Tests
03:40 Titanium Tests
06:01 Steel Tests
09:06 Deadly Aluminum Ring
09:47 When to use each one
12:24 Bonus Test: Line Locker