Sharpening a D2 knife with a heavy recurve

B

Ballon Corp

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Nov 6, 2014
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Hi all, I am in the process of making some new knives, however, the knife has a heavy recurve that is to sharp a curve for really any straight stone. I have looked at some gouge stones witch are for sharpening wood working tools, and they look like they might do the job. The problem with those is I don't think they are ceramic or diamond stones, witch is necessary because from my research you need ceramic or diamond in order to sharpen a d2 knife.

Any advice would be greatly appreciated!


P.s. Here is the link to one of the stones I am looking at

http://www.sharpeningsupplies.com/Norton-India-Gouge-Sharpening-Stone-P72.aspx
 
You can sharpen D2 on pretty much any man-made stone, the carbides are Chromium, not Vanadium. That said, silicon carbide does a great job on D2, and one can easily round one long outside corner of a combination stone on another stone or cement etc and do recurves very effectively on that. Is important to make sure the curved portion of the stone is done smooth and uniform so the results aren't any more coarse than the rest of the stone surface. As you would elevate the handle to hit an outside curve (belly), you need to lower the handle a bit to hit the recurve. Some have had good luck with sandpaper wrapped around a dowel.
For myself, all of my stones have one long side rounded slightly so I can do recurves on the same stone.
 
All you have to do is round the edge of a stone, it doesn't take cone shaped stones or small files.

IMG_1244.jpg
 
Jason B. said:
All you have to do is round the edge of a stone, it doesn't take cone shaped stones or small files.

View attachment 488404
Click to expand...

this is still to flat for what I am trying to do, the curve is like a short, extreme, hawk-bill, I suppose you could round the whole stone to that shape but wouldn't that screw with the stone ?
 
Last edited:
Ballon Corp said:
this is still to flat for what I am trying to do, the curve is like a short, extreme, hawk-bill, I suppose you could round the whole stone to that shape but wouldn't that screw with the stone ?
Click to expand...

That is more than enough curvature to do any recurve or hawk bill. Might be time to break out the Sharpie and do some light work to get a feel for it.
 
Ballon Corp said:
this is still to flat for what I am trying to do, the curve is like a short, extreme, hawk-bill, I suppose you could round the whole stone to that shape but wouldn't that screw with the stone ?
Click to expand...

The stone picture has sharpened more hawk bills, karambits, round leather cutting knives, food processor blades and gut hooks than you could ever imagine, it will work.
 
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