boss jack: one stout blade o_0

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actively parsing hurf durf
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So I got this a while ago not expecting to use it, rather just to have it since it's something I've wanted for 6 years now. When I got it I was surprised at how heavy it was and thought about leaving the edge as it was. But, when I actually made a sheath for it and started carrying it I decided to give it a proper 24 degree flat v edge. This is probably the 3rd or 4th thickest-at-the-edge busse i've sharpened. The main contenders - Pbf series, public defender, bme. I didn't sharpen the MOAB that I had but it seemed like it was about the same thickness as this at the edge. That said, this took about 1/5th of the time it would have taken me to do a 60rc bg42 blade, a total of 2 hours that would have been 10-12 in a different steel at high rc.

It's interesting to compare it to the custom shop sar5 since both main grinds are factory done. The custom sar5 only has one 24 degree bevel without the need for a relief bevel. the boss jack sorely needed the huge 18 degree relief because otherwise it would have had a heavy wedging effect on bind-y materials like hard plastics, knotty wood and potatoes. Behind the main bevel the sar5 is .030" and the boss jack is .090" (same thickness as the thin nicks at the spine :eek:), when measured at the same distance from the edge the sar5 is .058" where the boss jack is .090".

I'm not saying the boss jack should sink down to .030" at the edge off the production line, in my hands it feels like it's meant to be a chopper/prybar/hardcore abuse type knife. With it's new edge it's good just the way it, it just exists in a different mode of use than the custom sar5.


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3/16" vs. 1/4"
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The tips are actually pretty close in geometry
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big ol' relief bevel
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this is what you get when you jump from a 600 stone to 2000 grit polishing tape.
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and after much photoshop'ing of a high iso picture
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That iso pic is wild. I have one of the Boss Jack Dc protos and the tip and edge is thick. Looks to be a very tough knife though.
I think that satin is really nice congrats, and thanks for the imfo. :thumbup:
 
This is the brute force sharpening on the public defender. trying to sharpen the front portion was.... difficult. The front is a single (roughly) 40 degree bevel that cut into half of the main grind. To finish it I had to try to balance it on the remaining 50% of the original grind without it rocking on the table. It is without a doubt the thickest-at-the-edge busse I've ever handled. If I had done it at 35 degree's I would have re-done the entire main bevel making the front portion a true zero edge puuko grind.

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Though the boss jack is thick, it was a breeze to sharpen compared to that.
 
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That turned out pretty slick. How do you like it with the no choil as a user? I sold my proto before using it do to being worried I would forget it is the only one that didn't have one, choke up on it and slice my finger up real good. Muscle memory isn't always your friend. :eek:
 
That turned out pretty slick. How do you like it with the no choil as a user? I sold my proto before using it do to being worried I would forget it is the only one that didn't have one, choke up on it and slice my finger up real good. Muscle memory isn't always your friend. :eek:

I wouldn't own it if it had a choil. Right now I have 5 busse's and all of them are choiless, the only busse I'm planning on getting that has one is the b11, and only because there isn't a choiless option. I need to go back and redo the part of the edge next to the choil on this though, it dips down slightly and needs to be be ground more than the forward section to keep the edge at 24 degree's. I tilted the stone 2 degrees or so steeper to get the edge on that spot and I'm not entirely happy with it.
 
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