Water stones? shapton glass?

cbwx34, opinions of the SS10k?

That edge looks nice but is their a visible scratch pattern?

Does the stone have that sticky resin feel?

And is it soft like the 12k?
 
I tried to make a direct comparison between the two stones with a couple of knives this a.m., to see if I could detect a difference.

I'd say the scratch pattern is similar... if I was handed a knife not knowing which stone it came off of, I doubt I could tell the difference with any statistical significance. I did one side of a knife 10K, the other 12K, and in the sun, I could rotate it around and see a pattern, but they looked similar. At most angles, it's a nice mirror finish, like the photo.

If I applied more pressure than I normally do on a polish stone, (I think that's why I never noticed this before) the 12K had more drag... like rubbing across a surface with some rubber in it. The 10K was harder with almost no drag. A noticable difference that I could probably tell if I couldn't see which stone I was on. So, I would say the 10K feels harder.

Both stones appeared to load up similarly.

I then finished one knife 10K, the other 12K. The 10K edge seemed to have a touch more bite to the feel... I'd want to cut with one for a while before I would make a definite conclusion.

The 10K has become my "go to" stone for quick touchups, and as an alternative to honing on leather... I leave it out and use it on knives I've freehand sharpened. I think it leaves a great edge.

cbw
 
Thank you.

Unless I find one of those JKS 10K stones the naniwa is probably the one I'll get.
 
thought you hated the feel of the SS series ? it's the most important thing for me.
if you want naniwa polish but in a sintered ceramic like stone consider the chocera.
 
pwet said:
thought you hated the feel of the SS series ? it's the most important thing for me.
if you want naniwa polish but in a sintered ceramic like stone consider the chocera.
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Yeah not real sure what I'm going to do in the high grit stones, I don't like the feel of the naniwa's but they are also not $300.

We'll see though, I just ordered the 12k natural from woodcraft. Its was cheap so I figured why not.
 
I use the 10k and 12k superstones on straight razors, but when I freehand a knife across either one I end up cutting a divit in the stone. Is it just a matter of skill are is there a trick? I know some folks that will only make stropping strokes on these.
 
hardheart said:
You may find it to be ridiculously slow. I tried mine with a slurry, didn't help.
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Uhh, you DO remember that you're talking to a guy who spent 6+ hours sharpening a CRK Umnumzaan(or was that a Sebenza?) to absolute perfection right?
 
6+ hours with diamond, ceramic, etc abrasive is a long time to sharpen, but it could take even longer with this stone because it is dense and slow cutting.

I'm not completely in love with the feel of the 10K SS, and I've been looking at the Kitayama for a while. Also have read good things about the Sigma Power stones, like being faster than Shaptons and good for high alloy steels.
 
hardheart said:
6+ hours with diamond, ceramic, etc abrasive is a long time to sharpen, but it could take even longer with this stone because it is dense and slow cutting.

I'm not completely in love with the feel of the 10K SS, and I've been looking at the Kitayama for a while. Also have read good things about the Sigma Power stones, like being faster than Shaptons and good for high alloy steels.
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The Kitayama is great :D

This is a custom tanto I've been working, 440C, finished on the Kitayama.

Kitayama027.jpg



The 12k natural was only $20 so I figured it wouldn't hurt if it didn't work for me. I've also decided to keep my natural aoto and will most likely add the smaller awase To stone later.

The Kitayama is producing a very high level of sharpness too and IF I strop its only been with my bare horse leather to clean off any micro burrs. The edge is so much different than I've experienced before and has a odd sharpness in that it cuts much better than you would expect by its feel.
 
hardheart said:
You may find it to be ridiculously slow. I tried mine with a slurry, didn't help.
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Actually not that bad, very hard to work with though in a forward stroke. I'd say it cuts about right for a natural of 12k grit, the finish takes some time to work its way down but yields a very sharp edge and nice haze natural finish. For $20 I'd say it was worth it.
 
How hard is your stone? Mine felt & cut like slate. I just have a preference for something that builds more mud - really enjoyed using the coticules I had, probably shoulda kept one.
 
hardheart said:
How hard is your stone? Mine felt & cut like slate. I just have a preference for something that builds more mud - really enjoyed using the coticules I had, probably shoulda kept one.
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Yes, it is very hard. I like muddy stones too but seem to have a hard time finding ones with those qualities. Didn't you have or were going to get a very fine natural a while back, something like a 20k stone?
 
I had a kiita, but it was a little small and I didn't feel like dropping $400+ on a more suitable size for knives. They can grade higher too, some are estimated at 40K or more.
 
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