Anchor failure from girth-hitched Dyneema sling
Posted: Thu Nov 02, 2006 1:50 pm
Apparently John Sherman recently had a part of his rappel anchor fail where he had girth-hitched a Mammut Dyneema sling to another sling. There is a long thread on this at Supertopo
http://www.supertopo.com/climbing/threa ... _id=269434
There was also some related testing of these super-thin slings that showed that they lose 1/3 of their strength after 2-3 years. They are only meant to be used for a short time. I didn't realize that Mammut was stating that.
Another reminder to make sure to eliminate any nylon-on-nylon in any anchor.
http://www.supertopo.com/climbing/threa ... _id=269434
There was also some related testing of these super-thin slings that showed that they lose 1/3 of their strength after 2-3 years. They are only meant to be used for a short time. I didn't realize that Mammut was stating that.
Another reminder to make sure to eliminate any nylon-on-nylon in any anchor.