First thing up, my very first gyuto. 240x45, W2, ebony, brass, and some pyritic serpentine/quartz as a spacer
Your first gyuto was a honyaki? Props
Not immediately, mostly just because I have stock for another....2 dozen or so blades at .093" before I need to make another order of steel. Just out of curiosity, what do you envision by thicker, 3mm, 5mm at the neck? Full taper to laser-like dimensions at the tip (<1mm @1cm and so on), or more robust blades?
And thanks, it's coming along swimmingly.
Good question. I just measured several of my favorite 210-240 gyutos (Kippington, Dalman, Kono MM, Spare, Yoshikane) and they're very consistently right in the 3 to 3.5mm range above the heel, and about 3.25 to 4.25mm out of the handle. Below 3mm I tend to find most knives too light and insubstantial to cut as aggressively as heavier but thin behind the edge midweights.
I definitely prefer some distal taper, but I think there's a place for both intense taper to a really thin tip (think <0.75mm at 1cm) and more moderate taper (1-1.25mm at same) that still works reasonably well for fine work but are sturdier. The Shihan I had a little while ago was a good example of the latter--not a super thin tip but also not thick and wedgy like a Toyama, for example.
Lasers can be cool. But the thin spine at the pinch grip can get uncomfortable, especially for those that work in restaurants. And for some ingredients, having some weight to it can help, especially when cutting a lot of it.Hey thanks for the detailed reply, a little information goes a long way for me right now. I had no idea people were even interested in thicker knives, most of the posts I've seen talk only about lasers. I'll definitely keep this in mind whenever I get around to drawing down some of the O1 stock I have, and this oroshigane knife I started...eesh...3 years ago.
Hey thanks for the detailed reply, a little information goes a long way for me right now. I had no idea people were even interested in thicker knives, most of the posts I've seen talk only about lasers. I'll definitely keep this in mind whenever I get around to drawing down some of the O1 stock I have, and this oroshigane knife I started...eesh...3 years ago.
Lasers can be cool. But the thin spine at the pinch grip can get uncomfortable, especially for those that work in restaurants. And for some ingredients, having some weight to it can help, especially when cutting a lot of it.
We all have our own preferences though.
Whoa, that’s gonna make one helluva impressive blade when done!
Lasers can be cool. But the thin spine at the pinch grip can get uncomfortable, especially for those that work in restaurants. And for some ingredients, having some weight to it can help, especially when cutting a lot of it.
We all have our own preferences though.
Continuing with this thought... I'm not convinced that laser performance needs to equal bulimic spines.
Super flat beveled lasers also tend to have high friction on dense foods. Increasing the pressure needed to cut.I've wondered this myself. It seems there's a point at which the weigh reduction from a thinner spine begins to impact the handling characteristics of the knife such as to make it feel like it requires more effort to use. I think there's probably a case to be made for "felt" laser-likeness vs perhaps a repeatably measurable amount of force required to complete a given cut in much the same way there is "felt" recoil, vs the actual calculable recoil of a given firearm.
I've wondered this myself. It seems there's a point at which the weigh reduction from a thinner spine begins to impact the handling characteristics of the knife such as to make it feel like it requires more effort to use. I think there's probably a case to be made for "felt" laser-likeness vs perhaps a repeatably measurable amount of force required to complete a given cut in much the same way there is "felt" recoil, vs the actual calculable recoil of a given firearm.
I think I’m probably like a lot of others in that I initially gravitated towards traditional thin lasers, like Shibata, Yu Kurosaki. These days I like a bit thicker spine with a little more weight, but still want the laser-like feel through food. I get this from knives that are a bit thicker at the neck, like my Kamon is around 5-6mm, I think my Birgersson and Markin are in the 3-4mm range. In fact I think all my knives from Western smiths are >3mm at the heel. But then most all of them hit around 2mm by mid-spine, and 1mm or less by 1” from the tip.
You get a little more robust feeling in the back 1/3 of the blade along with a comfortable grip, while the front 2/3rds that I use 95% of the time slices effortlessly (assuming they’re thin enough behind the edge). My “lasers” all weigh in <145g, while these “hybrid” Westerners are usually >170g.
For small jobs, say less than 15 mins of cutting, I’m grabbing a 180mm laser or nakiri. For anything bigger I’m reaching for one of the Westerners with a little more heft and length.
Hearing this over and again completely blows my mind when I look back. All I kept reading on forums years ago was that even 3mm was excessive at the heel, I even had one of my blades referred to as "chonky" because it was 3mm at the heel and was told that stock should not be thicker than .100" to start....my how things change. This certainly compels me to make a few forged blades and experiment with tapers.
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