Moderator: Tim White
pink flamingo thief wrote:I have a 400 ft rope that has only been used by 6 people. The problem is that it's 25 years old It has only seen the day light maybe a 4 times the longest time 8 hours. Has been stored dry and in a canvas bag. It has been nowhere near any any chemicals. Is it safe for use?
pink flamingo thief wrote:Thanks for all the info. I will cut and stress test a short piece. Then make my mind up.
chh wrote:Hey Derek,
A quick Google search turned up Cable Tech Sling & Supply Co. in Denver. It says they manufacture their own slings and cable rigging. They will have a test rig. They may charge you a little money for the time it takes them to set up the rig and perform the test, but I'm sure they would pull a section to failure for you if you really wanted to know.
-caleb
NZcaver wrote:a friend with access to testing facilities is working on coming up with 'realistic' parameters for testing caving ropes (i.e. not slow-pull). He may appreciate receiving more samples to test, particularly if they have documented history of use.
wyandottecaver wrote:I removed a fixed rope (11mm) that had been rigged in-cave for over 30 years. It was pull tested at a caver friends workplace lab at something like 70% of original.. The cave humidity probably helped in this case.
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