Forums: Climbing Information: The Lab: Re: [benj] Petzl Zephyr Rope Warning: Edit Log




knudenoggin


Jan 24, 2008, 11:18 PM

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Registered: May 6, 2004
Posts: 596

Re: [benj] Petzl Zephyr Rope Warning
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In reply to:
Because the sheath didn't "fray" but "powdered" it seems there's a severe problem with the structural integrity of the actual sheath fibers. Upon analyzing the rope, it appeared to be only in the area of the 6-meter marked sections, which were noticeably softer than the rest of the rope. Rubbing the sheath in these areas with a fingernail caused additional "powdering."

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The shot shows worn sections, about three meters off both ends,

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A friend of mine who also works at the store had a Nomad and sent it back to Petzl after the sheath crisped up and disintegrated within the first week of use. Petzl sent my friend a new rope and the same thing happened. Unreasonable wear from light falls or tying knots and loading them. Shealth damage like nothing we have ever seen on any ropes.

Again, this wear seems highly inconsistent with nylon, at least relatively new & untainted nylon.
Has anyone seen such behavior of disintegration in their really well-used old ropes--i.p., the "powdering" spotting on rock(!) ?

In reply to:
Petzl is aware that there is a shealth issue. Our rep told us that it was a batch problem and should be cleared up.
And it would be nice to know what it was exactly that went wrong with this batch--heat, chemicals, ... ?!

*kN*

(This post was edited by knudenoggin on Jan 25, 2008, 6:57 PM)



Edit Log:
Post edited by knudenoggin () on Jan 24, 2008, 11:22 PM
Post edited by knudenoggin () on Jan 25, 2008, 6:57 PM


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