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saftey pins on biner's gate
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no_email_entered


Mar 25, 2008, 9:31 PM
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Re: [g_i_g_i] saftey pins on biner's gate [In reply to]
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g_i_g_i wrote:
The more you write on this, the more you show how clueless you are, stop for your own sake.

and you are doing what exactly?


g_i_g_i


Mar 25, 2008, 9:52 PM
Post #227 of 234 (2371 views)
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Re: [no_email_entered] saftey pins on biner's gate [In reply to]
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You are right, I think I'll stop, this is just going nowhere.

I just thought the Lab forum would be a place to share interesting information through enriching discussions.
I thought that here ideas could be presented clearly, with a predisposition for constructive criticism.
I hoped that illogic reasoning would be easily fixed by exposure, and stopped by evidence, since we are not really discussing opinions, but measurable quantities.
But this is not happening in this topic. I'm disappointed.

Majid, why the lab? why a place where people (at least me) actually come with expectations?


(This post was edited by g_i_g_i on Mar 25, 2008, 10:02 PM)


majid_sabet


Mar 25, 2008, 10:17 PM
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Re: [g_i_g_i] saftey pins on biner's gate [In reply to]
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g_i_g_i wrote:
majid_sabet wrote:
Chilli

The modified cable biner is to see how bending elbows could affect the pin-gate misalignment and if so, is the upper elbow or the lower elbow is causing the misalignment and how far. This modified biner is not to be tested to see how strong the biner is or how far it can go before the cable comes out but just to allow flexibility for multiple testing using different size shackle, ropes, and protections such as cams, bolt hangers, nuts etc. There will be other test including drop test till I torture this pin-hook myth to death and get some result out.
How about the spring on the gate, how is your "cable" carabiner going to stay in the configuration you showed in the picture above? What is the experimental value of modifying the carabiner like that?

What's the point of your tests? what do you want to test? it is not clear to me, is it clear to you?
Please, again, state your hypothesis, make some clear schemes, define the terms of the problems, define what you are going to measure and how.

Just as a personal note, unless you are joking, then you are out of your element in this discussion, because you don't know well enough how carabiners work.
The more you write on this, the more you show how clueless you are, stop for your own sake.


The biggest problem I see in here is that some people have problem visualizing what is going on and they are only focusing on what they can read off some document. You should pull some of your biners out and take a close look at the pin-hook notch to see if any of them follow the same shape and standards. I tell you this; not even one biner is build like the other models or brand and they are all different. In fact, I found near several patent just on the notch and hook in U.S. patent office which tells me, there is more to this pin-hook designs and it could explain why not all binder follow the same standards.

So just relax and let me experiment with few biner then, I will share my finding with you guys.


no_email_entered


Mar 25, 2008, 10:24 PM
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Re: [majid_sabet] saftey pins on biner's gate [In reply to]
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majid_sabet wrote:
The biggest problem I see in here is that some people have problem visualizing what is going on and they are only focusing on what they can read off some document. You should pull some of your biners out and take a close look....

yep. kinda what i said about 200 posts ago. use your hands. pull on a biner. yep. it moves. are people dying right and left?---





---yep.


chriss


Mar 26, 2008, 12:07 AM
Post #230 of 234 (2324 views)
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Re: [majid_sabet] saftey pins on biner's gate [In reply to]
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majid_sabet wrote:
In fact, I found near several patent just on the notch and hook in U.S. patent office which tells me, there is more to this pin-hook designs and it could explain why not all binder follow the same standards.

Could you rewrite this or something? I don't understand what you're trying to say. Do you feel there must be some kind of standard for biner design?


gunkiemike


Mar 26, 2008, 1:06 AM
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Re: [majid_sabet] saftey pins on biner's gate [In reply to]
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majid_sabet wrote:
Chilli

The modified cable biner is to see how bending elbows could affect the pin-gate misalignment and if so, is the upper elbow or the lower elbow is causing the misalignment and how far. This modified biner is not to be tested to see how strong the biner is or how far it can go before the cable comes out but just to allow flexibility for multiple testing using different size shackle, ropes, and protections such as cams, bolt hangers, nuts etc. There will be other test including drop test till I torture this pin-hook myth to death and get some result out.

Dude... watch the Break-O-Tron video over and over and over, forwards and backwards, esp. at high speed (click & drag the pointer along the status bar) until you finally realize that biners under load don't bend in a way that opens up the pin/hook. The biner gets longer and narrower. Even with what you consider "large" test pins that IYO magnify the outward bending torque, the angle of the elbow DECREASES.

Or don't...I don't care. You seem to be on a mission to prove something - anything - here. You've proven something to most of us, but it's not what you set out to prove.


rightarmbad


Mar 26, 2008, 4:57 AM
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Re: [gunkiemike] saftey pins on biner's gate [In reply to]
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Man this is like religion, a fool trying to make others see the light, when he has no idea where it came from himself.

Majid, the reason that there are so many nose designs is that the easy one's have already been patented and they cannot be used without paying money.


chilli


Mar 26, 2008, 1:45 PM
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Re: [majid_sabet] saftey pins on biner's gate [In reply to]
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majid_sabet wrote:
...So just relax and let me experiment with few biner then, I will share my finding with you guys.

i agree with you there, majid. i think that's a great plan. i'm not going to argue about the cable idea. i'll just let you try it.

i don't mean to sound like an asshole here, but the way i see it, now that you've decided to test this out, we should only be hearing from you 3-4 more times on this thread...at least for a while...
1: posting design and plans for experiment to get feedback (if you want. if not we only need one post from you for the results - ref #4)
2-3: post revised design for experiment after getting feedback.
4: post results.

until you make these posts, there's really no point in arguing theory, becuase we've done that (apparently to the point that a few people already turned blue in the face). on that note, i'll just shutup and await your results or design.

once again, good luck.Smile


majid_sabet


Apr 13, 2008, 2:02 AM
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Re: [chilli] saftey pins on biner's gate [In reply to]
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Alright guys

Just to update ;I finished building the stand and also got a 20,000 lbs hydraulics puller. I just need to get 10.000 lbs load cell which should come off ebay in the next few days so hopefully by end of next week, we should be able to break some biner's gate or may be not so who knows but we will find out.

Cheers

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