The same thing comes up so often lately, so I decided to make a little video about similar knife.
After reading about BRKT Fox River, Recluse and watching the video about that custom posted above, I decided to make my own video to prove the point.
The point is: I really don't think it has much to do with heat treatment or anything like this, it's all about edge geometry. BRKT grinds knives thin. There is no doubt about it. How bad or good that is depends on the person who uses the knife. I would say grind on some knives is too thin for general public. Some people get upset about it, when they get unexpected results. Paper thin edge shown in the video above can be a bummer and I understand the user being upset about it. But in many cases people make a huge deal out of it, when issue can be easily rectified or avoided entirely. Thin edge is a problem - sharpen the knife to a more obtuse angle. I'm not surprised at all that some people roll/chip/damage the 10 degree edge (maybe even less). It is very easy to damage such a thin edge, but in most cases it is not a big deal either. Sharpen it to ~30 and your done. I think the problem is that many people don't know how to sharpen knives. If one wants to use a knife, sharpening skill needs to be developed. Sharpening a new knife straight from the factory is kind of odd thing also, though many people do this on regular basis thinning the edge. In some cases the opposite is required. I also think that Bark River needs to sharpen most knives designed for "bushcraft" to a bit more obtuse/tougher angle to avoid such surprises.
... And it is always a good advise to test the gear in controlled environment first, to avoid any surprises later.
So back to my video.
I own BRKT Manitou. The thickness in the specs is 0.205 inch. Indeed the blade is a lot thinner, because it tapers a lot along the blade length. I have done a profile cast and measured thickness in this thread:
http://www.bladeforums.com/forums/showthread.php?t=784777
As you can see the blade is thin. Edge is amazingly thin also ~ 10 degrees inclusive.
This is a hunting knife and it is supposed to cut flesh and soft materials. 10 degree edge is superb cutter, but probably is an overkill. Such edge can be used perfectly fine with some care, but it is not tough.
I have used my Manitou to cut some hard wood. Sure enough, checking the blade after some cuts, revealed some rolls on the edge. I was totally expecting that.
I have sharpened this knife to a bit more obtuse angle (20-30) and made a video. Problem is solved. Wood that I was cutting was very hard, I specially chose those hard pieces. I think I crapped my pants (kidding) at some point trying to cut it. No rolls, no chips. Edge holds up great. It still is thin, but the very tip of the edge is more radiused and is thicker than it was before.
Here are two parts. Sorry about the mumbling. This is my first video and only one so far.
Sound is also messed up a bit and gets out of sync further in the video, but it's not too bad
[YOUTUBE]aj3iTNw2qBQ[/YOUTUBE]
[YOUTUBE]aeAVnAnACHM[/YOUTUBE]