Boy, your persistent testing of this knife makes me more and more glad I bought one. Thanks for the great reviews.
Stalk, some of the leaves, and the hair at the end. Most knives would be dulled out by the 2nd case(100 corn). My coworkers use plain jane knives with bad steels, but the thin blades lets them keep cutting even when the edge is dulled.What part of the corn do you cut? Stalk? Husk? Kernels?
jim you really are with the big boys now. hell i could feel minor pain after only 5o cuts on 3/8 sisal. will wear soft leather gloves in future. after your sterling reviews my 2nd 390 will be here mon. thanks a ton because you made a enormous effort.
i was going to order one until i found out it was the mini grip
YMMV, but I always liked the look and feel of the MiniGrip better. Because it effectively has full liners, it doesn't have that hollow snap that the full size Grips make when they close. Nice knives, if a little small. :thumbup:
I went through about 6 cases of corn today with my 755 MPR. The thick blade did make the cutting more difficult than with my Gayle Bradley, but at the end of it the 755 could still slice paper. In fact, it can even push cut copy paper, if a little roughly. The edge retention might just be up there with CPM-M4.
I really hope more knife manufacturers will be using this steel in the future, and with thinner blades:thumbup::thumbup::thumbup:.
Stalk, some of the leaves, and the hair at the end. Most knives would be dulled out by the 2nd case(100 corn). My coworkers use plain jane knives with bad steels, but the thin blades lets them keep cutting even when the edge is dulled.
I tried using my ZT 0301, but the thick blade kept forcing me to muscle the blade through(even using twist cuts). I'm hoping my 755 will perform better. Even if most of the blade is quite thick, it does get thinner around the tip, which I should be able to use easily with such a short blade(which, in theory, should also let me exert more force).
And I do have my cutting glove on:thumbup:.
jim no matter how hard you work there are always detractors. ignore the arm chair warriors.
Ankerson,, nice work, you can now see why I cut 5/8 rope for testing. In theory the same amount of work to get the same result but you use less length so in the end costs a little less. Also saw the comment about cutting on a board skewing the results. Not so, as long as you use the same wood and cutting motion the results will be repeatable. With this kind of testing there are so many varaibles that we are looking for big differences. You also develop a sense pretty quick on how a knife is going to perform with out doing a full out test to completely dull. This year I obtained some samples of M390 and ELMAX at the Oregon show. I have made several knives from each working on the optimum heat treat. I have also used an M390 blade on a hunting trip with great edge holding, corrosion resistance and very good toughness. I will have more to say when I have a little more experience but right I think both of these steels have great potential. I would like to know the hardness of your M390 blade. I would test it for you if you want to send it out to me, contact info on my website. I would guess it is about 60, and if so I would say that up against ZDP 189 at probably a much higher hardness that this is very good performance. My own testing so far would mirror your results. Some more background for those who might be interested. Both M390 and ElMAX are Bohler-Uddeholm (BU) steels . The 390 is made in Austria and the ELMAX made in Sweden. Both are particle base steels like the CPM steels. BU says they are third generation which means smaller grain and very clean. They were developed for the plastics industry, like the Crucible steels. Given the recent scare with Crucible it is nice to have and alternate source for our high Vanadium knife steels. I have pushed the hardness up to 62 on both ELMAX and M390 and with a thin grind blade (.008 or so) behind the edge have not seen any concern with chipping. BU is now making an effort to have these steels available in knifemaker thickness and also to provide guidance and support on heat treat for their products. For the custom guys, Chuck at Alpha Knife Supply is stocking both M390 and ELMAX. I would also share heat treat info via e mail . Good work Ankerson, keep it up.. Phil