Will
The edge on the fighters I made were .017 before sharpening.
The edge deformed on every blade rc hardness from 56-62 rc. The tip bent on ever knife.
They took a set.
The nail I used was a aprox 3/16 dia soft nail.
I suppose we can go on all day with this but I dont see the point. I want to see the video of the swordsman above. That would convince me on heavy edges.
As for cryo yes I did two blades with this process. 58 and 59 rc. I thought this might increase toughness.. But it didnt.
I will say that the blades will bend (in the thicker sections) and spring back. Thick sections will take of shock and flexing.
BUT I will say that a diff tempered blade will do the same thing if heat treated properly. The difference is I can get them to perform in thinner sections the edges and tips are far better.
AS for my heat treat process see the shop talk archive where Paul Bos says he and I heat treat the 3v the same way.
Ed, to keep trying is not in my nature.
It is or it isnt .. Bottom line.
I still feel there are other materials out there for belt knives 4-10 in length that will perform better with a thin edge.
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[This message has been edited by Darrel Ralph (edited 12-09-2000).]