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Thread: Canyoneering Book
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05-11-2010, 01:23 PM #41
I have been too focused on a little writing project to do more than scan the articles about the Yosemite accident.
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05-11-2010 01:23 PM # ADS
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05-11-2010, 01:42 PM #42
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05-11-2010, 01:44 PM #43
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05-11-2010, 01:48 PM #44
I logged in today because I was told there was a thread here about my book. Mistakenly thought this was it.
There certainly are ego issues within the canyoneering community, especially with those native Utahns. Glad I'm not one of them either. Canyoneering for 32 years, but have lived in Utah for only the past 8.
Has it occurred to you that there is a risk in discounting people's opinions because you think they are just defending their own turf? If I tell you there are serious problems with the book, will you ignore me and accept the book as fact because I offer courses that compete with ATS? Or because I am working on a book that will compete with this one? Or just because I'm an a**hole?
Just in case you are willing to listen on the off-chance that I might have an objective opinion ...
Tom is right; the book is very poorly written. Typos, spelling errors, poor grammar, incorrect terminology, poor grasp of technical concepts, etc. It is titled "Canyoneering Anchors and Basic Rope Systems". Don't count on finding any basic rope systems. It does have a lot of material about anchors; much of that material attempting to defend bolting. Quite a bit of the material was gleaned from the ACA's forums and from anchor workshops I taught in LA (e.g. the bits about knot chocks). Unfortunately, in attempting their own explanations they missed some of the nuance.
I don't feel there is anything in the book so glaringly bad that someone might get hurt from it. But if you go about the canyoneering community quoting portions of it or using their explanations and terminology, be prepared to be met with some puzzled looks.
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05-11-2010, 01:55 PM #45
It's not.
Here's what Metolius has to say: http://www.metoliusclimbing.com/harnesses.html
They make no strength rating claim for the overall harness other than that it is CE/UIAA Certified, so the certified strength of your harness is 15 kN.
What they HAVE done is think of lots of ways people can mess up, and engineered a backup system. Their 10 kN gear loops may have saved a life or two, hard to say.
The twin 10 kN belay loops are interesting. There is a test standard for the belay loops for CE certification, but I don't remember what the required strength is, for sure. The test is to pull on the harness (on the dummy) with any point shown for attachment of the rappel device; so it is a test of the belay loop against the harness, which is more severe than pulling the belay loop between pins. As I remember, the required strength is 12 kN. Black Diamond belay loops, pulled between pins, were typically 5000 lbs or 22 kN.
TomLast edited by ratagonia; 05-11-2010 at 01:56 PM. Reason: typo fix, clarification
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05-11-2010, 02:03 PM #46
And just to be clear, because THIS is a technical discussion, you THINKING that your harness is good for WAY OVER 15 kN, and it being "RATED" for way over 15 kN are two entirely different things. Yes, when I look at the Metolius Climb Safe, I am also under the impression that it would barely even notice 15 kN, and would probably go up to 20 kN or more, before the test dummy exploded. But Metolius makes no such claim, and they are the people to state a rating for the harness.
Tom
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05-11-2010, 02:08 PM #47
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05-11-2010, 02:19 PM #48
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05-11-2010, 02:20 PM #49
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05-11-2010, 02:24 PM #50
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05-11-2010, 02:43 PM #51
I haven't seen it, but it sure seems to be stirring up a lot of debate!
I wonder why it's priced higher than most books of this genre; Steve Allen's (cept the out of print books), Dave Blacks, Tom Jone's books are all priced considerably lower than the $30 they're asking...
Have you read it Mike? What did you think?
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05-11-2010, 03:13 PM #52Originally Posted by rcwild
I have problems with anyone that is pushing their own agenda, mostly because there is biased info as a result. I've heard many good things about your courses, so kudos to you on the information that you've collected and formulated. On the other hand, there are several things that I think are dangerous or negative to the community that you have done that I wouldn't buy into for any amount of money. These are my opinions. These are just my opinions however, and others may feel differently; totally up to people to judge for themself.
I don't feel there is anything in the book so glaringly bad that someone might get hurt from it. But if you go about the canyoneering community quoting portions of it or using their explanations and terminology, be prepared to be met with some puzzled looks.
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05-11-2010, 03:23 PM #53
Very interesting.....
Yesterday this was the system posted on the Petzl website under Canyoning Techniques
Today they have new files up promoting the new system below and the old technique is no longer noted.
And for fun and games.... here is what the ACA teach's for a block.
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05-11-2010, 03:40 PM #54
Please enlighten me.
So isn't that what these forums are all about. You give your opinion. I give mine. Others give theirs. Then everyone draws their own conclusions. So why do you get so upset when Tom or I share our opinions?
There are some very dangerous things in the book. But I have faith that anyone with average intelligence will recognize them for what they are. Very odd how some of the things are presented, however. For example, in a book titled "Canyoneering Anchors and Basic Rope Systems" there is a chapter (15) titled "Anchors That will Kill You (Maybe)" They state that it is for entertainment purposes only, then go on to say:
"The Greasy Granny is a great system ... this has been an ace in the hole for us ... all things considered this is the strongest and most durable design ... I have personally used this device successfully on a wide range of drops ... "
I guess I don't understand why techniques "for entertainment purposes only" are lauded as great systems. Sounds like they are trying to encourage people to use them. Or just trying to dazzle the reader ??
I'm interested in hearing from anyone who has actually used the greasy granny. It seams to be an over-complicated variation of the old piton block:
http://canyoneering.net/forums/showthread.php?t=1349
The piton block, while dicey, has a specific purpose ... getting down on a single strand of rope and still getting your rope back.
The Greasy Granny is described as useful for situations where you have to tie ropes together, but two strands have to reach the ground for it to work. I understand not passing the rope through the rappel ring if there are knots on both sides. But why not use something more secure like a macrame?
Do I think the technique is dangerous? Yes. Do I think it was irresponsible for them to include it? Yes. Do I think anyone with a lick of sense with actually try it? God, I hope not.Rich Carlson, Instructor
YouTube Channel: CanyonsCrags
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05-11-2010, 03:47 PM #55
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05-11-2010, 03:58 PM #56
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05-11-2010, 04:02 PM #57
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05-11-2010, 04:02 PM #58
(can't seem to quote your entire post, including the quotes, with the new system)...
You quote me out of context, Oval. I only used the word "dangerous" AFTER you did, in rebuttal (essentially). My criticisms did not imply danger or life-threatening ramifications; they did imply that learning anything from this book, filled with simple errors as it is, is probably not a good thing for Mark, who is fairly well-versed in canyoneering technique, but not what I would call a technique-nazi, like me. The examples I presented did not touch on important points, but were instead meant to show that the authors are not well-versed in the topic, or, more specifically, well-versed in WRITING about the topic, and therefore their WRITING about the topic should be considered suspect.
I have not delved into the book looking for significant and dangerous errors of fact. My suspicion is that I will find few to none. Darren and Travis know what they are doing. Yeah, they do a couple of odd things that I would not do - but then again I do a couple of odd things that hardly anyone else does too. I respect them as canyoneers and instructors, but the topic at hand is this book. Not so good.
Tom
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05-11-2010, 04:04 PM #59
Last edited by ratagonia; 05-11-2010 at 04:10 PM. Reason: to add comment about Rich's book.
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05-11-2010, 04:06 PM #60
Typically, when using a biner block we (we = my partners and I) will clip the rope to the anchor for all but the last guy down the rope. The last guy will then either clip the rope to the rope as shown above or if that might hamper the rope pull he could just unclip it. Neither option alters the block. Of course the last guy down has to remember to do this or someone is going back up.
This adds redundancy to the system which would have prevented the recent death in CA and would prevent an accident resulting from someone clipping into the wrong side of a blocked rope (to prevent this we also keep the unblocked side of the rope on top until the last guy tosses it or brings it down with him). Of course the priority, job one, should be knowing how to set up and safely use the block in the first place.
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