![]() Note how thin the polyester leather is on the far side, as compared to the horse butt. Once the edge becomes too obtuse, then it is time to resharpen.Ĭhoose your poison and treat yourself to a sharpest knife you’ve ever experienced for this Christmas! SuperStrop. When I am paring leather for my own projects, I do a two stage stropping sequence to keep the knife sharp. All the knives I make now follow a 80, 40, 15, 5, 1. It really doesn’t take much additional time, and the resulting edge is better. 1 micron for over 100 knives without recharging, and it isn’t dead yet. In my experiments, I’ve used a single polyester leather strop loaded with. But everyone has to decide for themselves if the trade off in time spent sharpening is worth the final result.ĭiamond compounds are expensive, but once they are loaded onto the polyester leather they last for a long time. Even so, the idea of a one fortieth of a micron edge does have an almost irrational appeal, but is it just a placebo effect? Also theoretically, the smaller the grit progression in your sharpening sequence, the finer the cutting edge, and the faster you get there. In terms of initial cutting performance and cutting edge longevity, I can’t really tell much, if any, difference between blades stropped with the. ![]() Waxy pastes don’t apply or stick well to polyester leather. 5 micron CrO2 I usually use, and though it does cut quicker and lasts longer, it seems an unnecessary expense. The diamond seems to stay sharp longer (because of the shape and hardness?), cuts a bit faster, though is more expensive. In other words, this polyester leather is a perfect substrate for. 04 grams! All of these tiny little fibers hold the diamond particles loosely while allowing them to move around a bit, exposing new sharp edges. It is difficult to imagine how small and light this fiber is: 9 kilometers (over 5.5 miles) of it only weights. Denier is the mass in grams of 9000 meters of a given fiber. Human hair is roughly 20 denier, but this ultra micro fiber is. Polyester leather is made from an ultra micro fiber that holds sub-micron sprays incredibly well, is very thin so the cutting edge does not become rounded, and is extraordinarily durable. One solution is to use a polyester leather, which is similar to “nanocloth”, a term Ken Swartz has coined and a great product he sells. 25 micron don’t work well on real leather for two reasons: the expensive spray soaks into the leather and disappears alarmingly fast, and the natural abrasiveness of the leather itself is sometimes coarser than the spray. PCD or Cubic Boron Nitride (CBN) compounds smaller than. The lime green is one micron, and the very bluish looking (in this image) white is. 1 micron Poly Crystalline Diamond (PCD) diamond on polyester leather has dialed up the sharpness to eleven. 3 micron 3M PSA finishing film filled in the gap nicely during sharpening. 5 micron, and found some finer grits for a final stropping. First, I eliminated the large jump between 5 and. Inspired by some other sharpening approaches, two aspects of my routine seemed to need a little tweaking. And there are many other ways to sharpen a knife. Don’t get me wrong, this works quite well. 5 micron Chromium Oxide (CrO2), honing compound on the flesh side of a horse butt strop, then finish stropping on naked flesh side kangaroo. Typically, I hand sharpen following a grit progression of 80, 40, 15, 5, micron on 3M microfinishng films with water as a lubricant, strop with a. As a point of reference, a hair on your head is about 40 microns wide. The Measure of All Things is a facinating book by Ken Adler which documents this feat of triangulation - in the middle of the French revolution, no less - and also explores how the defined length of a meter has since changed. A millionth of a meter is a micron. ![]() ![]() Some of the stropping sprays, pastes, and substrates I’ve been experimenting with.Ī meter was originally intended to be one ten-millionth of the distance from the North Pole to the South Pole where it passed through Paris.
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