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Thread: Man Made Stone Suggestions
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3rd April 2014, 02:05 PM #31
Those are not crooked knives. This is a crooked knife and has a bit of attitude too:
Kukri Knife.jpg
and this is a wavy knife, which is most useful as it can be used to extract 6" nails too:
Wavy knife.jpg
A bit difficult to sharpen. Stone needs a lot of flattening .
Sorry. A digression .
Regards
PaulBushmiller;
"Power tends to corrupt. Absolute power corrupts, absolutely!"
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3rd April 2014, 02:08 PM #32
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3rd April 2014, 05:16 PM #33
My understanding for kitchen knifes is that you do not treat them as per woodworking tools. A fine serration aids in slicing, I'm told. Therefore what you have is sufficient.
For carving tools, you would be more interested in strops than flat stones. Or the stones are best as hard as you can get to avoid deforming. Diamond or oilstones would be better than waterstones.
For woodworking I would recommend the Shapton Pro 1000 over the Sigma Power 1200 (I have both) as the Shapton works faster - even on A2 and similar steel. The others I use are the Sigma 6000 and 13000. These are a step up from the Shapton Pro 5000 and 12000.
Regards from Perth
DerekVisit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.
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4th April 2014, 09:49 AM #34GOLD MEMBER
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I'd be happy to show you what real crooked wood carving knives look like. Everything is back home and I can't leave the city for at least another week. Man, but cities do smell BAD.
I'd like to do a serious thread about crooked knives but for their purpose, I'd post it in the Wood Carving forum.
In the meantime, you can see some blades in the LV online catalog, called "Haida-style blades" or something like that.
No they are not sharp = everything is up to you.
The University of British Columbia Museum of Anthropology has an online collection of 38,000 pieces. Nice crooked knives. I have sat there to study them. I'll bet you could search the listings for Japanese tools as well. There's maybe 400,000 pieces in the UBC/MOA.
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4th April 2014, 05:17 PM #35
That is my understanding too, Derek.
And, just how fine a serration is an individual preference. Most go with the synthetics stones up to #3-5k. A kitchen knife will tend to 'run' if you go finer than that with synthetic stones. If you wish to go finer you have to go over to a natural stones if you like a 'toothy' edge, but that is an expensive and tricky road to go down, as I know too well.
Some of my waterstones are for kitchen knives, others for my woodworking tools, and some do for both. Life would be simpler if I just sharpened one or the other, but I enjoy both!
Neil
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7th April 2014, 09:56 AM #36Senior Member
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In case anyone is interested. Here is an inuit style crooked knife I forged for carving.
Regards,
Gadge
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7th April 2014, 09:00 PM #37
If you do, someone might add the yariganna (or yari-kanna, ie spear plane) to the discussion. Robin Wood has a blog entry on same, here.
One of my very favourite places. I could get lost in there for days!
Neil
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8th April 2014, 10:27 PM #38Intermediate Member
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The Hishiboshi Karasu #9000 turned up today. It's hard for me to judge given this is the highest grit stone I've ever used but I'll try. I actually used it on 3 of my knives which are all different steels. The Tadafusa (Blue 2) and the Tojiro (white 1) got very minor treatment as they're still quite sharp. All I did with this pair was essentially strop them using the stone. It certainly did a great job of that, both knives slid through ripe tomatoes far easier than before.
The Tojiro Flash (VG10) got a proper treatment from the stone as it had a minor chip or 2.....1500 to the 5000 then onto the 9000.
It certainly put a higher level of polish on the blade than the Rika #5000.
I was able to get a burr to form quite rapidly so it seems to be a good cutter.
It's quite hard and I don't expect it will dish easily but it did seem to load up quite quickly.....whether this is just a common thing with higher grit stones I'm not sure, I'll defer to Neils assessment on this stone but after using it, I'm quite happy with it.
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26th April 2014, 08:31 PM #39
Paul
I finally got around to giving the Hishiboshi a test run.
I didn't find that it loaded up any more than, for instance, my Sigma #8k. A little loading towards the end of a polish is not a bad thing, it tends to push the grit towards the fine end for the final polish.
Rather than adding my review here and hijacking your thread, I have started a separate thread:
Thanks Paul for drawing my attention to this interesting hybrid stone.
Neil
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