Strongest folding knife !

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jac_solar said:
But what type of fixed blade? A full tang, half tang, center tang, etc?
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Exactly. It's probably as strong as a half tang fixed blade. Maybe better since the blade is bedded into metal instead of wood or composite.

I think much of the push back is due to the knee jerk reaction of " as strong as a fixed blade? A folder will never be as strong as a full tang fixed blade". There's more than one kind of fixed blade and I can easily see a well designed folder being stronger than some "fixed blade" designs. Look at the old phrobis bayonets. Fixed blade, but fatal design flaw.
 
DrFish said:
Exactly. It's probably as strong as a half tang fixed blade. Maybe better since the blade is bedded into metal instead of wood or composite.

I think much of the push back is due to the knee jerk reaction of " as strong as a fixed blade? A folder will never be as strong as a full tang fixed blade". There's more than one kind of fixed blade and I can easily see a well designed folder being stronger than some "fixed blade" designs. Look at the old phrobis bayonets. Fixed blade, but fatal design flaw.
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Exactly this. Marcinek is just going to repeatedly tell the guy his knife is not a fixed blade, which I have yet to see the OP claim. Not every "fixed blade" knife is incredibly strong. I mean a filet knife is a fixed blade knife. Is this folder more capable of hard use than a filet knife?

Maybe an extreme example, but fixed blade just means the blade is fixed to the handle.
 
Sign of the apocalypse #17: Bladeforumers start telling knife designers their folding knive locks are too strong.
 
While I can appreciate the thought and engineering behind the prototype, I think it needs some serious refining.

The idea of choosing a folder over a fixed is generally due to compactness and/or ease of carry. Without a pocket clip, and with the added bulk of the cam lever, I think you detract from the most basic appeal of a folding knife.

The next concern would be comfort of the handle during extended or hard use. There's no benefit of having a folder than will take 1000 lbs of front, back, or side load, if you can only apply 10 lbs of pressure, or only use it for only a couple of minutes, before it starts killing your hands.

Looking forward to seeing where you take this idea...
 
Ounce for ounce, I would think that the simple locking mechanism on a Swedish Barrel Knife would be closer to a fixed blade type of knife, the entire lock goes back into the handle basically making it as close to a full tang FB as you can get.

Can you imagine one of these made from titanium? :)

Edward-Zinn-7-cm-barrel-knife-06.jpg


Sorry to say if I had a choice I'd pick a the barrel knife, I think your lock design is unusual, your take on a sturdy folding knife is interesting but needs a lot more refinement and you gotta drop the "...strong as a fixed blade" spin.

Have you ever looked at Barry Woods Swing lock mk2 knife if you want a knife that won't fold on your hand it's a great choice.

wood010_thumb.jpg



I wish you luck in your endeavor and have subscribed to this thread to follow along and see how this one goes. BTW, the pics are not mine, I had a Woods Swing lock and sold it, wish I never did and I've yet to get me a barrel knife, some day, some day :)
 
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celtic11 said:
Exactly this. Marcinek is just going to repeatedly tell the guy his knife is not a fixed blade, which I have yet to see the OP claim.
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Yes I am. As long as he keeps attempting to sell the point that this has "fixed blade capabilities", or is as strong as a fixed blade, etc.
 
The company that made this knife went out of business in 1923. It has outlast one or 2 owners without being broken. I continue to use it today and it works great. No overly complcate mechanisms, just a blade and a handle.
 
You know what? I watched that video again. Its utter nonsense.

1) You have no metal other than the thumb doohickey on the blade on the thumb side. That is not going to hold up to stress in the direction of the thumb. I see in the video you mention that lateral stress and demonstrate lateral stress in the other direction, and not toward the weak side.

2) The the thumb locking thingamabob is sitting right under your thumb AND your forefinger rests on it from the "underside." One wrong move a fraction of an inch by either and it unlocks. Catastrophically.
 
I still say that among folding knives of approximately the same volume of material, balisong is the strongest lock.
 
RedLynx said:
If I didn't know I couldn;t beat physics, I'd so want to market this term. ;)
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Physics, schmysics. If you say things like "fixed bladiness" or "fixed blade capabilities" you can say whatever you want. That's the beauty part. Does this FFK have "fixed blade capabilities"? Of course! You can cut things with the FFK, you can cut things with a fixed blade. You can use the FFK as a paperweight, you can use a fixed blade as a paperweight. They are both capable of doing the same things!

It's not a fixed blade. And its lock is not as strong as the "lock" on a fixed blade. But it has fixed blade capabilities.

Of copurse, that's true for all folding knives, but we don't usually have their makers coming here to insistently sell the idea that theirs is somehow beyond the physics that all the others are subject to.
 
marcinek said:
You know what? I watched that video again. Its utter nonsense.

1) You have no metal other than the thumb doohickey on the blade on the thumb side. That is not going to hold up to stress in the direction of the thumb. I see in the video you mention that lateral stress and demonstrate lateral stress in the other direction, and not toward the weak side.

2) The the thumb locking thingamabob is sitting right under your thumb AND your forefinger rests on it from the "underside." One wrong move a fraction of an inch by either and it unlocks. Catastrophically.
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Dude, we get it. You hate the knife. Give it a rest, some ppl might be more open minded regarding a new design. Youre like that guy thats still pissed off, the US almost went metric... :D
 
Dcaggie06 said:
Dude, we get it. You hate the knife. Give it a rest, some ppl might be more open minded regarding a new design. Youre like that guy thats still pissed off, the US almost went metric... :D
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I didn't think about it before but, considering how easily things can happen, Marcinek's #2 is an especially good point. No other locking system that I can think of poses potentially more danger to the user than it avoids... and that's a problem. Just my two cents, ergonomically not interested in the knife, no vested interest in whether it sells or not.
 
marcinek said:
Of copurse, that's true for all folding knives, but we don't usually have their makers coming here to insistently sell the idea that theirs is somehow beyond the physics that all the others are subject to.
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I think this is another part of the problem. Let me preface by saying my comments are no reflection on the OP whatsoever, no ill will and all that. Glad there's another creative mind in the industry and all that.

But in proper use, will this knife be so much better than my Buck 110 lockback knife? I can't see my Buck 110 failing, ever. Unless I try to pry open a helicopter cockpit or something. Seriously.

(I'm sure I'll get a few Buck 110 horror stories now ;) )
 
Also, I may out myself as an idiot here but... am I the only one who thinks Opinel's ring system seems like one of the strongest locks ever? I haven't brutalized an Opinel but l've spent a lot of time considering that lock... you've got a solid ring of metal that wraps around that blade... it just seems like one of the most efficient locks ever... and Opinel is an old classic. Just my thoughts.
 
marcinek said:
FFK said he was looking forward to our comments. I don't see why I shouldn't continue to offer mine.
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I'm pretty sure he knows how you feel at this point:D

marcinek said:
Physics, schmysics. If you say things like "fixed bladiness" or "fixed blade capabilities" you can say whatever you want. That's the beauty part. Does this FFK have "fixed blade capabilities"? Of course! You can cut things with the FFK, you can cut things with a fixed blade. You can use the FFK as a paperweight, you can use a fixed blade as a paperweight. They are both capable of doing the same things!

It's not a fixed blade. And its lock is not as strong as the "lock" on a fixed blade. But it has fixed blade capabilities.

Of copurse, that's true for all folding knives, but we don't usually have their makers coming here to insistently sell the idea that theirs is somehow beyond the physics that all the others are subject to.
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I believe he's said multiple times this is just a prototype and more testing will follow. Video is really just to show of the concept and new locking mechanism.




To FFK,
Thanks for the video better explaining the locking mechanism and showing the folder in more detail. Like I said before, I'd like to see some testing when you get around to it. I'm also curious as to how the lock will wear in. Is there adjustment in the lever to account for wear over time?
 
RedLynx said:
Also, I may out myself as an idiot here but... am I the only one who thinks Opinel's ring system seems like one of the strongest locks ever? I haven't brutalized an Opinel but l've spent a lot of time considering that lock... you've got a solid ring of metal that wraps around that blade... it just seems like one of the most efficient locks ever... and Opinel is an old classic. Just my thoughts.
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It's not terribly tough, but the fact that if has like a tenth the moving parts of the FFK lock, speaks volumes about its robustness and reliability.
 
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