0200 problems

bld522 said:
Cerainly there are imperfect locks just as there are imperfect blades. I'm not a spine whacker and I never have been. But If spine whacking is not the correct way to test a lock's ability to perform its function, what method of testing is acceptable? :confused:
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Holding the handle in one hand, palm up, and the spine of the blade in the other, try to close the knife. But please make sure you have your fingers out of the way.
 
Spine whack tests are abuse, plain and simple.

I find it hard to believe that a liner lock as stout as the 0200's with 90-95% engagement is causing a problem. Here's a pic of mine on the right next to a 0350.

4278187840_65f213658e_o.jpg


EDC'd it for many months and never had any problems, but I do use the narrow edge to cut and not the blunt one. ;)
 
SPXTrader said:
Holding the handle in one hand, palm up, and the spine of the blade in the other, try to close the knife. But please make sure you have your fingers out of the way.
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This is definitely the way to go, since this is closer to simulating the reason a lock would fail in actual use. If a knife is being used as intended, to cut (not chop), the most likely reason for the knife to close on its own would be if the blade were to get stuck in the material you are cutting and you tried pulling it back out. The force generated is progressive instead of sudden and less likely to dislodge the lock. A sudden impact on a hard surface from a spine whack is unlikely to actually be only one impact and besides the initial damage to the lock faces, the bounce will likely increase the chances of any lock disengaging. If you think in normal use you are going to accidentally hit the spine of the blade hard enough that it might fold the knife, you are not using it right or you should be using an ax or a machete instead.
 
I can see the reason for concern, my manix2 closed on me while I was trying to cut something out of my site because it very lightly bumped a hard surface. After it closed on me, I spine "bumped" not forcibly whacked and sure enough it closed again and easily at that. I took it apart and cleaned it(voiding my warranty) and not it locks like a bank vault. Maybe take it apart and very lightly bend the lockbar toward the locked position, this should fix the problem. Or as others have said call KIA CS and tell them the problem in detail and let them resolve it.
 
PG5768 said:
Spine whack tests are abuse, plain and simple.

I find it hard to believe that a liner lock as stout as the 0200's with 90-95% engagement is causing a problem. Here's a pic of mine on the right next to a 0350.

4278187840_65f213658e_o.jpg


EDC'd it for many months and never had any problems, but I do use the narrow edge to cut and not the blunt one. ;)
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That looks exactly like the lock up on mine which is also why I found it hard to believe that the lock disengages so easily with a not hard tap. Do you feel any friction at the lock face when disengaging normally?
 
Never noticed anything but normal lock-up and disengagement.

45Shooter said:
That looks exactly like the lock up on mine which is also why I found it hard to believe that the lock disengages so easily with a not hard tap. Do you feel any friction at the lock face when disengaging normally?
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First of all, I'm a kershaw customer, not trying to "bash them" as some would believe. Spine whacking tests a lot of dynamics on the locking mechanism. This guy has invented a new lock and seems to know his stuff. This is one of his methods of testing lock strength;

http://www.youtube.com/watch?v=M2cZQv5cIqQ
 
duro, why are you here? Jim asked you nicely to leave the Sub, Jason asked you nicely to leave the Sub...what's up with the posting?
 
duro said:
First of all, I'm a kershaw customer, not trying to "bash them" as some would believe. Spine whacking tests a lot of dynamics on the locking mechanism. This guy has invented a new lock and seems to know his stuff. This is one of his methods of testing lock strength;

http://www.youtube.com/watch?v=M2cZQv5cIqQ
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That video was a waste of time. If I want to wack a knife with a crutch, I'll use a fixed blade. I want my pocket knives to lock without play and that's all, I'm not concerned with spine wack tests in the slightest.
 
neverdie36 said:
That video was a waste of time. If I want to wack a knife with a crutch, I'll use a fixed blade. I want my pocket knives to lock without play and that's all, I'm not concerned with spine wack tests in the slightest.
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+1, that hurt my head.

Let me show you how my cheap liner lock with oodles of blade play and 100% lockup can stand up to a spine whack vs a titanium framelock with early lockup and no play.

Whatever, could be worse, he could have posted a video showing someone trying to prove how easy it is to disengage the lock by pressing on the lock bar with his thumb to help it along...


oh wait...
 
SPXTrader said:
Holding the handle in one hand, palm up, and the spine of the blade in the other, try to close the knife. But please make sure you have your fingers out of the way.
Click to expand...

Yes, that seems like a reasonable way to test the lock. So 45Shooter, did you try this test on your 0200 and if you did, what were the results?
 
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And it's funny how in the video, he says there is no play in his "better" design yer when gavkoo is talking about the knife he says there is play but it won't fail.
 
bld522 said:
Yes, that seems like a reasonable way to test the lock. So 45Shooter, did you try this test on your 0200 and if you did, what were the results?
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Indeed I have and under this not very stressful test, the lock appears to be perfectly stable. But that's not really the point. I feel that any lock should be able to withstand at least a light negative load or it's not really locking anything, is it? And while apparently some folks are immune to accidents and mishaps, I'm not and don't think expecting any lock to handle a light tap against the spine to be a crime against knife nature.
 
bld522 said:
Yes, that seems like a reasonable way to test the lock. So 45Shooter, did you try this test on your 0200 and if you did, what were the results?
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IMO, the only "reasonable" way to test a knife's lock is by hand. Then you use the knife in a reasonable fashion and sleep peacefully at night. In over 30 years of using knives, I've never had a lock fail. I've only returned one about which I had concerns. The solution to lock anxiety is called "fixed blade."
 
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