What materials can't a "tough" folder cut?

singularity35 said:
Lots of good points there, Lorenzol. :thumbup:
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Yes. The tomato comment made me laugh because although I've never tried it with a Caly3, I did try using one of the Mules as a kitchen knife for a while...it was a dud (for that purpose)...just too short for most uses.
 
Ankerson said:
So just because some knife doesn't have a 1/8" spine doesn't mean it won't cut or slice well.
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I agree and I never argued that part otherwise. However, "well" is a relative term. Are you arguing that, all else equal, 1/8 thick blade will not slice better than 1/4"?
 
Gator97 said:
I agree and I never argued that part otherwise. However, "well" is a relative term. Are you arguing that, all else equal, 1/8 thick blade will not slice better than 1/4"?
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Nope. :)

The knives that I usually cut cardboard with are thinner.

My cardboard knife was a CS Voyager until I killed it in one of my videos.
 
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Comparing a 1/8" blade to a 1/4" one is quite extreme.

However, as Jim said in an earlier post, thickness at the spine cannot explain everything.

Look at these two knives:

IMGP3627.jpg


The Ryan has a slighter thicker blade than the AFCK. Which one do you think is the best slicer, and which one has the strongest blade?;)
 
LorenzoL said:
Comparing a 1/8" blade to a 1/4" one is quite extreme.

However, as Jim said in an earlier post, thickness at the spine cannot explain everything.

Look at these two knives:

IMGP3627.jpg


The Ryan has a slighter thicker blade than the AFCK. Which one do you think is the best slicer, and which one has the strongest blade?;)
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I am liking that AFCK. :D
 
LorenzoL said:
Comparing a 1/8" blade to a 1/4" one is quite extreme.
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Perhaps, but I doubt 3/8 will cahnge picture significantly.

LorenzoL said:
However, as Jim said in an earlier post, thickness at the spine cannot explain everything.
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So did I ;)
And in some cases even blade grind won't matter, e.g. manila rope or rubber under tension, because only the edge comes in contact with the medium. Although, that's not a good reason to ignore blade grind altogether. Same applies to the spine thickness.

LorenzoL said:
Look at these two knives:
The Ryan has a slighter thicker blade than the AFCK. Which one do you think is the best slicer, and which one has the strongest blade?;)
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AFCK is a better slicer given equal edges. Longer blade, narrower too. Grind transition on the Rays will increase drag and resistance to cutting. I.e. the user or operator has to use more effort.
Don't take my word for it, try to cur thick piece of cheese, rubber, or something wider than Rayian's blade...
Obviously Rayan has stronger blade, and I do like how it looks, but even if I had it, it's unlikely I'd use all that strength in my uses.

To avoid usual misunderstandings, I do not question that knife can cut "well" for its length, when properly sharpened, and I don't doubt it will cut everything AFCK will, and then perhaps some other things including prying in which AFCK will fail earlier.
However, I'd have to use more force, and more movement to accomplish the same amount of the work. Which is the only argument I have against thick folders, in context thick vs. thin.
 
Spine thickness, thickness above the edge, primary grind angle, and edge angle all affect cutting ability, as does surface finish. Sharpness is at the very edge, the radius transition from one side of the edge to the other.

A thicker spine, thicker section above the edge, more obtuse primary grind, and more obtuse edge grind will all decrease cutting ability when any of these areas of the blade come in contact with the media being cut. Whether or not it makes things unreasonably difficult is a subjective thing, but this is just the way it is.
 
The Ryan's primary grind (flat, unlike most Ryans) has a much shallower angle than that of the AFCK. You are right about the extra drag on the wider Ryan and on the longer edge playing to the AFCK's advantage.
The Ryan also has a much thinner edge, so any test would be skewed in its favor.
 
Thinner edge means "thickness behind the edge" or just low edge angle? If later, AFCK can be easily sharpened to identical angle, equaling the conditions.
 
Gator97 said:
Thinner edge means "thickness behind the edge" or just low edge angle? If later, AFCK can be easily sharpened to identical angle, equaling the conditions.
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Both. And these being quite collectible there is no way I will touch the original edge.
 
...and yet...and yet...

There was a long-running thread here about a year ago by someone, in think in Norway, who was very bitter and angry that he broke the tip off his AFCK. He was using it either as an ice pick or to do a self-arrest on ice or something involving ice. Under the circumstances, the tip breakage was no surprise but he was very vocal about this "defect," IIRC.

The Ryan doesn't look like it would break under similar circumstances...? ;)
 
LorenzoL said:
Both. And these being quite collectible there is no way I will touch the original edge.
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:) I understand that, but in that case it's not apples to apples comparison. We're talking in general, comparing thick blade vs. thin, that implies same edges. At least in my understanding, for that comparison to be valid.
 
singularity35 said:
Let's take slicing a tomato. A thick bladed folder for sure can't slice as thin, but I'm sure that a thick bladed folder can slice that particular tomato well enough to be eaten in a bacon, letttuce, and tomato sandwich.
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Well yes. Let's take slicing a tomato. I would like to see you slice a ripe tomato with one of them bad-a$$ thick bladed hard use folders.

Be ware of the splash-damage! ;)

Kind regards,

Jos
 
Jos said:
Well yes. Let's take slicing a tomato. I would like to see you slice a ripe tomato with one of them bad-a$$ thick bladed hard use folders.

Be ware of the splash-damage! ;)

Kind regards,

Jos
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Wow - coincidence! I just sliced tomatos with my XM-24 tonight and very thin. And it's as big and bad-a$$ of a folder as you can find. :p
 
Jos said:
Well yes. Let's take slicing a tomato. I would like to see you slice a ripe tomato with one of them bad-a$$ thick bladed hard use folders.

Be ware of the splash-damage! ;)

Kind regards,

Jos
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cziv said:
Wow - coincidence! I just sliced tomatos with my XM-24 tonight and very thin. And it's as big and bad-a$$ of a folder as you can find. :p
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There you are.
 
cziv said:
Wow - coincidence! I just sliced tomatos with my XM-24 tonight and very thin. And it's as big and bad-a$$ of a folder as you can find. :p
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Video, we want video!! :D

And please pass the popcorn... "I'll have mine with extra butter on it, please!"
 
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