Grind From Hell - Part Two

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Aug 1, 1999
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Part of this was done to see if I could do it again, then a whole new set of problems emerged - my right thumb now has a hole ground into it as a result of holding the points of these against the wheel as I was finishing the blades. As the judge in Florida said, this was a lot like being nibbled to death by ducks. Still hurts...

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The top knife is the original, number 2 was a repeat, number 3 was a variant ordered by a customer, as was number 4, which has a Persian flair and will have its handle wrapped by the customer. In fact all will have wrapped handles when done.

Number 4 has the further feature of having the plunge shaped into the appearance of a guard. That turned into quite a challenge.

The biggest challenge in all these, however, turned out to be sharpening. As the sharpening bevel approaches the point, it becomes wider than the grind itself. And since this is all sharpened on a slack belt to produce a convex edge, the point ends up being shaped into a cone. The sharpening angle had to transition from 20-25 degrees at the rear to 45 degrees at the point, and all 4 grinds had to come together symmetrically. This was like trimming 4 sideburns and getting them all right and even the first time.

There won't be any more of these for quite awhile - well after the healing.

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Jerry Hossom
www.hossom.com
 
frankly my dear, I dont give a damn.... the real problem is you need to PRACTICE!!! Practice makes pervert! So get out there and grind 10 more and maybe you will be it figured out............but I doubt it...
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have a mice day anyhow!!
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http://www.mayoknives.com
Jer 33:3
 
Woahh, wicked looking bladess Jerry!!! Those need to be in a martial arts or sci-fi flick.

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Always think of your fellow knife makers as partners in the search for the perfect blade, not as people trying to compete with you and your work!
http://www.nebsnow.com/L6steel
Buzzards gotta eat, same as worms!!!
 
Thanks, Jerry.

It's fun to see what a crazy blade wizard does on his vacation. Next thing you know, you'll be into something really off the wall, like machete's.

--Will
 
Jerry, I have only made 4 knives now but it may help if you open BOTH eyes when you sharpen those babies. It should make the problem go away. You see, with one eye open as th epoint of the blade moves away from you the angle looks funny so you go back at a different angle, do this again and again and... well, just open 'em both up! Thats a free tip for ya!

By the way, I bet you've never done any wharncliffes!!!!

waiting for a pic,
Crayola

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"Come What May..."
 
nice work jerry! i finish with the slack belt convex edge and just getting the two on the first pass right is a job. they look like innocent oyster knives to me!

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Laurence Segal www.RHINOKNIVES.com
 
The machete was shipped so I'm guessing some numbers. The blade is about 18+" and 24+" OAL. The steel is CPM-3V surfaced to 0.125", which I've concluded is too thick. The next one will be 0.100-0.110". The edge is a long convex grind. The spine is also ground but only to thin the blade to remove weight; it is not sharp.

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Jerry Hossom
www.hossom.com
 
Thanks, Jerry! I could see one of those strapped onto Tom's trials bike in a custom scabbard for when he gets stuck...

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Tom
Click here for Grohmann and Marble's knives.
 
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