Cliff Stamp
BANNED
- Joined
- Oct 5, 1998
- Messages
- 17,562
He's been announcing it and announcing it, and beating his chest.
He is young and has a lot of passion, that isn't a bad thing. Strider certainly did their fair share of chest beating.
-Cliff
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He's been announcing it and announcing it, and beating his chest.
Mr. Cliff, sir........do you make knives of your own?No, this is why you need to be able to bound results, which is difficult for complete fault testing because you only get to do it once, impact is really bad in that regard as it also has to be highly random (as it is in real life). What will happen is that you will eventually bound it by other knives of similar steels and thus bound the class of materials. Of course if you can afford mutiple samples then do so and get the bounds much faster.
However, quite frankly I am completely disgusted by heavy criticism of relatively novice posters because their tests are not ideal and it shows a complete lack of understanding of even basic experimentalism. I can never recall ever seeing a student's first experiment being completely valid, they always miss points, that is why they are students. However is the correct responce to this a rant about how flawed the experiment was - that is obviously not going to encourage them to continue.
The forums should be 100% focused on encouraging performance evaluation - especially by users. At the very worst the conclusions are not supported by the data so you make this distinction and then offer suggestions on how to solve this problem. You ENCOURAGE further critical posting always. But this isn't what happens here, Bladeforums has become far too defensive and what is 100% telling is where is all of this when Strider was doing sledgehammer hits on their knives because that is exactly how they promoted them.
Did they mention in the promotion that it was supposed to resist corrosion of that type - if not then that analogy isn't appropriate. That is the exact problem people are constantly missing in this thread - Strider did all of that and more.
-Cliff
However, quite frankly I am completely disgusted by heavy criticism of relatively novice posters because their tests are not ideal and it shows a complete lack of understanding of even basic experimentalism. I can never recall ever seeing a student's first experiment being completely valid, they always miss points, that is why they are students. However is the correct responce to this a rant about how flawed the experiment was - that is obviously not going to encourage them to continue.
You ENCOURAGE further critical posting always.
Did they mention in the promotion that it was supposed to resist corrosion of that type - if not then that analogy isn't appropriate. That is the exact problem people are constantly missing in this thread - Strider did all of that and more.
Bladeforums has become far too defensive
Mr. Cliff, sir........do you make knives of your own?
...dont just crank on stuff in a vice. That doesnt prove anything.
Rereading my post I just don't find it particularly negative towards the tester ...
Fair enough, but we're not just talking about Strider, are we? Did Cold Steel make these claims, specifically? Did Kabar? Did, too, all the other knife companies that the author states he plans on testing in like manner in the future?
if he's intending to break the knife then its breaking is not failure, so I'm not understanding how a warranty applies to it.
You have always encouraged criticism of your own testing
The bending portion of the ABS tests are designed to make sure that the smith is able to fully control the thermal cycling process. Nothing more. If you want to get into a good discussion.....or argument over whether leaving a knife with a spine that soft is a good thing, drop a note to Kevin Cashen. Also. go look at his web site and you will see someone who does serious SCIENTIFIC testing.I have made knives yes, prototypes out of mild steel to benchmark low end performance and illustrate geometry vs steel as well as a small utility knives from HSS. The new year I will be doing some grinding, and the heat treating will be outsourced because I will be exploring some radical steels which require particular heat treatment equipment, such as bainite-L6, maxamet, etc. . None of these are for sale, they are just for evaluation purposes for myself and others to explore performance, and yes all of them will be eventually broken.
That is why it is part of the ABS MASTER smith testing and that is why STRIDER used those exact same methods to promote their knives.
It wasn't, I was speaking of the other posts, sorry if that wasn't obvious.
Cold Steel has done extreme tests which are not in general directly uses but more visual showcases, however others have not. This however would still not preclude such an examination, all information is of use, if not to you then that doesn't mean it should not be done. My primary interest tends to be physics and related fields but I would never suggest that all other scientific research stop, that is absurd. So if you are not interested in heavy lock testing, prying, impacting, etc., which many are not, then don't read it, just like I don't read a lot of biology journals.
Essentially you are asking for a clearification of expected performance. Saying that vicing a knife is abusive is quite frankly absurd. All knives will flex to some extent, the point is where they will break. Of course what I would do is give a description of my activities BEFORE I did them to the maker/manufacturer and ask for a description of expected performance. If they described abilities that were too low then there is no need obviously to do an evaluation.
METHODS not the person and it has to be uniform, thus you can't critize the individual for being unfair/unrealistic etc., when the company did the exact same thing in promotion. But again, I was speaking more of the other posts and not yours which was a level exploration.
-Cliff
The bending portion of the ABS tests are designed to make sure that the smith is able to fully control the thermal cycling process.
Sorry--Knife Testing and Sledgehammer in the same paragraph is equal to 100% Lack Of Credibility.
MOVING IN A NEW DIRRECTION
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Iv got a new idea for Noss.
Instead of doing all this BS with a vice, why dont you get out of the garage and test the Strider with a real test?
Go chop down a 6" hickory sappling, and then batton it in half.
Go slash some copper sheeting, and chop on some 1/4" thick Aluminum.
Smash a few cinder blocks with the pommel
Then go dig a hole big enough to plant a new sappling to replace the one chopped down earlier.
THAT is a wicked hard test of all of the knives ability, but its not reckless intentional abuse.
Think up REAL WORLD situations the knife may be used for, and then engeneer a similar test to the extreeme; dont just crank on stuff in a vice. That doesnt prove anything.
prying with it. why? what if it is the only tool you have, and your life is at stake? chopping with it, same thing. will I buy a 400 dollar knife to do this with? no.
It isn't the thermal cycling that is important to the bend test, it is ironic that you mention that and then use Cashen's name because he has stated that is actually largely irrelevant to the final performance. The bend test mainly examines the ability to do a differential hardening which is actually independent of forging. My point was that it obviously proves something. Now if you want to extend this to what it can prove then that follows once you accept that it does prove something, but first you have to admit that the proposition that it is meaningless is absurd. What should be obvious is that it also measures strength and ductility which are readily functional and valuable properties of steels.
Except of course when the makers do it. You do realize that actual impact testing just consists of hitting a piece of metal with a sledge hammer and measuring the energy absorbed and that is one of the fundamental materials properties of steels. If you don't think it is relevant then use a piece of steel in the untempered condition.
-Cliff
The only real those knives have the grinds they do is because they are not actual cutting instruments. They are in fact specifically intended for prying, chopping, digging etc.. If you just want to cut with a knife then it looks completely different because if the knife isn't meant to take heavily lateral strain nor impacts then it has a completely different design.
-Cliff
ummmmm........since when was the hardening process not part of thermal cycling.
You implied that the ABS bending test was a test devised to determine if you had forged the "ultimate" performance knife ....
sometimes cheap knives are just cheap POS knives. Other times, like with this Cold Steel peice, there just isn't a lot of labor involved in amking it, but it is made of good raw materials. I'm not sure about the Striders. Looks to me like they can be blanked out with a cutter of some kind, ground, heat treated and sprayed. The para-cord handle isn't very labor intensive either. Gotta wonder ow much of the cost is just for the name? I know that happens in the full-boat custom world too.The only issue I have with this is that noss is going to break this knife. Meaning there is no possibility that he will wear out before it does, he won't be contacting Strider for a replacement, there won't be more THE KNIFE WORLD WILL BE WATCHING posts. His other tests were to destruction, you can tell by the text and videos. He continues to hammer and bend until failure. He doesn't have a set point of performance where he calls the knife good, sticks it back in the sheath, and puts it away. His test is tip strength, cutting with the edge and hitting of the spine for batoning. Ultimately, he breaks the knife. This is fine, we get to see the limit. After edge failure, we get to see more extreme stuff like sledgehammers and presses. But, he is suggesting that somehow the knife may survive, that testing Strider's warranty is only a possibility and not a direct goal of his work.
I like the videos, and it goes a long way to showing what the cheap knives can do. To compare them to a high dollar seems like a good idea. We'll also see carbon steels versus stainless in motion, and just what the difference is there. This is another reason I can say with a good bit of certainty that the Strider will break. Doesn't bother me at all that he will break a Strider, just don't say that you 'might not'.