Dimitri M wrote:
Ask any mountain climber if they would stake there lives on a metal o-ring!
That has to be the stupidest idea yet!
Hello Mr. Dale or should I say Mr."wytcap
I don't understand your statement!!!
Can you explain me then why PARACHUTE guys use these "O" Rings
on their parachutes?
You can check this under "PARACHUTE HARDWARE
" and you will find the same type of "O" Rings. This is a link to help you out.http://www.bkreng.com/hardware.html
That has to be even more stupid then your Mountain Climber.
The issue is not necessarily that O rings are weak. They are probably very strong when made correctly, and used as designed. Although I will admit I have seen a few O rings bust in my sailing days when used incorrectly or put in extreme stress situations. Then again pulleys seemed to always break more frequently on the boats.
The issue here appears to be that they can bind and wear bridles faster. At least that is my take on what is being said here. I don't believe the O rings mentioned for parachuting are used in the same way. Might be wrong though since I don't parachute.
Oh, and by the way there are rings used in certain areas of climbing. Rappel rings come to mind, although not exactly the same as an O ring I guess but similar concepts. Once again not an expert climber or anything just know I have seen them. Maybe there is a similar issue with them on some climbers forum somewhere.
Bottom line is everything wears down no matter what. Whether pulley, ring or slider you have to check your lines regularly.