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Re: [shimanilami] Aliens: Current Situation?:
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russwalling
Aug 6, 2007, 8:29 PM
Views: 3647
Registered: Jun 12, 2002
Posts: 239
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In reply to: The "tensile tested" failure is one guy (who sounds like he has his own ax to grind with CCH), was able to pull a cam apart at what he claims was 1100 lbs. Which, without cofirmation/replication by some other independent testers, it is hard to have too much faith in the accuracy of this report and whether or not this cam really would have failed under the loads that actual falls generate.
The above is one of the dumbest things I've heard in a while.... even on the internet.
I have been in contact with the "tensile tested" failure guy. He has no axe to grind and has a background in materials testing. His testing set up is top notch and his results are verifiable and accurate.
As for the loads that climbing falls generate and whether the tested/failed cam would have held such falls..... use your bean man! The cam failed at 1100 lbs. I have had Alien failures from 150lbs to 900lbs. What sort of fall does it take to generate a 150lb load? 900lb? 1100lbs? It ain't much, and to suggest that a cam is good in the real world when these lab style failures are occurring is just idiotic. Look at the math a bit more and then wise up a bunch. CCH cams are a potential timebomb, and someone will die eventually if this failure rate continues.
(This post was edited by russwalling on Aug 6, 2007, 8:38 PM)
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Post edited by russwalling
() on Aug 6, 2007, 8:38 PM
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