Sebenza flip

timberweasel said:
That may very well be the case. But if the OP is getting a close 7/8 deployment on a thumb-flick on his Seb right out-of-the-box, getting rid of a slight bit of pivot 'sticktion' might be all he needs to bring it home. Never saw the need m'self, but as I said, I'm not much a flicker anyway. If the OP is interested, he can search "sebenza washers" on Youtube, watch a couple of videos, and decide for himself. Food for thought, as it were.

-Brett
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Pivot stiction?:confused:

I'm not trying to be rude, but you're spreading a lot of misinformation here. There is nothing wrong with his pivot, it's the detent and lockbar.

The Sebenza detents are rather small and weak in comparison to knives that flip/flick well. It wasn't designed to be flicked, so it won't do it well. Even though some users can flick their Sebs successfully, doesn't mean that the knife does it well.

Do you own a Sebenza? Have you tried tweaking yours? Have you studied and experimented with different flipper/flicker designs? It doesn't sound like it, or you would understand that the pivot has nothing to do with what we're talking about.
 
Ive never felt the need to flick a knife open with a lot of force to make it snap open hard. I just think its abuse. with the tolerances and smoothness of todays knives, I don't think theres a need to blast these or any knife open like your in a West Side Story movie.
 
Blues Bender said:
Pivot stiction?:confused:

I'm not trying to be rude, but you're spreading a lot of misinformation here. There is nothing wrong with his pivot, it's the detent and lockbar.

The Sebenza detents are rather small and weak in comparison to knives that flip/flick well. It wasn't designed to be flicked, so it won't do it well. Even though some users can flick their Sebs successfully, doesn't mean that the knife does it well.

Do you own a Sebenza? Have you tried tweaking yours? Have you studied and experimented with different flipper/flicker designs? It doesn't sound like it, or you would understand that the pivot has nothing to do with what we're talking about.
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Well, spreading misinformation certainly isn't my intent.

https://www.youtube.com/watch?v=VzTYNRunJN4

I realise jdavis882 isn't too popular in some circles but this video is more articulate in demonstrating what I'm talking about. Agree or disagree, that's up to you.

-Brett
 
timberweasel said:
Well, spreading misinformation certainly isn't my intent.

https://www.youtube.com/watch?v=VzTYNRunJN4

I realise jdavis882 isn't too popular in some circles but this video is more articulate in demonstrating what I'm talking about. Agree or disagree, that's up to you.

-Brett
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I'm not sure what we're talking about anymore. Originally you were talking about the blade falling shut freely, now its about someone's perception of "smoothness" (whatever that is).

For what it's worth, my Sebenza feels infinitely "smoother" after I just disassemble it and give it a good cleaning and relube. That still doesn't allow the blade to fall freely though, because again, that's all about the detent and lockbar strength.

I'll say this again, if you release the Sebenzas lock to where the detent isn't touching the tang, the blade will swing freely. That alone proves that polishing the washers adds no advantage. The same goes for any knife, not just CRK's.
 
Blues Bender said:
I'm not sure what we're talking about anymore. Originally you were talking about the blade falling shut freely, now its about someone's perception of "smoothness" (whatever that is).

For what it's worth, my Sebenza feels infinitely "smoother" after I just disassemble it and give it a good cleaning and relube. That still doesn't allow the blade to fall freely though, because again, that's all about the detent and lockbar strength.

I'll say this again, if you release the Sebenzas lock to where the detent isn't touching the tang, the blade will swing freely. That alone proves that polishing the washers adds no advantage. The same goes for any knife, not just CRK's.
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Either of you could be right depending on the circumstance. I just tried holding the lock bar off the tang and sure enough the blade swings freely. BTW, be careful when doing this! It can swing freely right into your fingers holding the lock bar. So, if the OP can do this then it is not an issue with smoothness related the washers or whatever. No need to send it back for a looksy. A good cleaning could help. My detent is on the strong side which is good as I like a stronger detent. IT isn't difficult to flick but It will fail every once and a while. That I believe is do to the thumbstud being so different from others. Practice can fix that problem.
 
craytab said:
Either of you could be right depending on the circumstance. I just tried holding the lock bar off the tang and sure enough the blade swings freely. BTW, be careful when doing this! It can swing freely right into your fingers holding the lock bar. So, if the OP can do this then it is not an issue with smoothness related the washers or whatever. No need to send it back for a looksy. A good cleaning could help. My detent is on the strong side which is good as I like a stronger detent. IT isn't difficult to flick but It will fail every once and a while. That I believe is do to the thumbstud being so different from others. Practice can fix that problem.
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Bingo! :)
 
*sigh*

You know what, Blues? You're right.

OP, I've been assuming that your CRK is a 21 with a pivot bushing, and that perhaps your washers are a shade proud of the bushing which might make your knife feel sluggish. If you do have a 21 and this is the case, the simplest way to correct the problem is to adjust your pivot screw tension. Technically, you shouldn't have to do this on a knife with a pivot bushing, but if your washers are proud, until the knife breaks in on its own, pivot screw tension will be a factor. Keep an eye on it, because you may have keep tightening the screws down occasionally until the bushing is able to do its job properly.

The washer polishing thing is very fine work and involves miniscule measurements to get it right. If you screw it up, you could jack-up your knife and void the warranty.

If I haven't been clear, I'm sure I'll hear about it. Peace!

-Brett
 
spunky45 said:
Now i've heard you're not supposed to flip a sebenza but I flip mine sometimes, it just won't flip consistantly am i doing something wrong?
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No, the thumb studs aren't designed to allow for power flicking. Some people do, their prerogative. Chris Reeve stated sometime ago that the thumb studs were for a more smooth and controlled opening arc.
 
timberweasel said:
*sigh*

You know what, Blues? You're right.

OP, I've been assuming that your CRK is a 21 with a pivot bushing, and that perhaps your washers are a shade proud of the bushing which might make your knife feel sluggish. If you do have a 21 and this is the case, the simplest way to correct the problem is to adjust your pivot screw tension. Technically, you shouldn't have to do this on a knife with a pivot bushing, but if your washers are proud, until the knife breaks in on its own, pivot screw tension will be a factor. Keep an eye on it, because you may have keep tightening the screws down occasionally until the bushing is able to do its job properly.

The washer polishing thing is very fine work and involves miniscule measurements to get it right. If you screw it up, you could jack-up your knife and void the warranty.

If I haven't been clear, I'm sure I'll hear about it. Peace!

-Brett
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I'm not arguing with you, I'm simply stating that your "solution" to the OP's problem is not correct and may cause more bad than good.

Infact, my words may help others understand that washers/bearings are rarely the problem when it comes to "smoothness".
 
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