#209494 - 10/11/10 07:16 PM
Best field knife sharpener
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Pooh-Bah
Registered: 02/16/08
Posts: 2463
Loc: Central California
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During and after woodcrafting, cleaning game, batoning wood, etcetera, the outdoor blade needs to be sharpened in the field to stay most useful.
Diamond file? Whetstone[s]? Angled ceramic rods?
Thoughts?
Thanks.
Edited by dweste (10/11/10 07:16 PM)
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#209498 - 10/11/10 07:48 PM
Re: Best field knife sharpener
[Re: Warren]
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Old Hand
Registered: 03/24/06
Posts: 900
Loc: NW NJ
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For field use, I carry a Diamond Mini-Sharp Sharpener Fine Grit I really prefer to use "extra fine" grit for most regular sharpening, but the "fine" grit is good in case you also need to repair some damage.
_________________________
- Tom S.
"Never trust and engineer who doesn't carry a pocketknife."
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#209500 - 10/11/10 08:10 PM
Re: Best field knife sharpener
[Re: dweste]
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Veteran
Registered: 12/14/09
Posts: 1419
Loc: Nothern Ontario
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Depending on what kit I have with me, I use a small thumbed sized whetstone that is now about 20 years old. I also have a newer whetstone which is a little bigger, however I don't really care for for it...and for no real reason expect that I probably prefer the old stone better.
In the event I forget to take the whetstone, almost any smooth surfaced rock (river rock is best) will work perfectly fine to sufficiently touch up any blade.
_________________________
Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.
John Lubbock
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#209505 - 10/11/10 08:44 PM
Re: Best field knife sharpener
[Re: dweste]
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Geezer in Chief
Geezer
Registered: 08/26/06
Posts: 7705
Loc: southern Cal
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I can no longer find it in the Gerber catalog, but I carry a sharpener, pointed at one end (the proverbial sharpened pry bar) which has both fine and medium grits. It also works wonderfully well as a versatile fossil excavation tool.
There are oodles of fairly light rods that will sharpen quite nicely. I prefer diamond grits.
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Geezer in Chief
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#209507 - 10/11/10 09:01 PM
Re: Best field knife sharpener
[Re: dweste]
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Pooh-Bah
Registered: 09/01/07
Posts: 2432
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I used to carry a Shrade 'hone-steel'. It is a chisel shaped hunk of fairly soft abrasive-impregnated high-nickel steel. Its a bit more aggressive than most kitchen steels. You use it every few minutes when doing heavy cutting to maintain an edge. If you have ever seen a real butcher work you notice that they are always honing the edge between cuts. A honed edge cuts better and if you use a steel frequently there is far less need for actual sharpening. Eventually the steel can't move enough metal to get a fine edge so it need some sharpening.
If I was homesteading or blazing my way through the woods, and was constantly using my main knife, I would feel justified in carrying a steel, perhaps even a small stone, just in case, but my camping and hiking is all short term now and the knife just doesn't get much use before I'm back home where I have a complete rig, actually several, to take care of the blade properly.
I may cut a branch for a walking stick or a pole to hold up the end off a tarp. I may chop up some wild onions and cut some light line to make a clothesline but these are occasional tasks. But it isn't enough wear to worry about.
I've typically got a three blades. A main, usually a folder now, a smaller folder for fine work. And a very sharp spare, sometimes even a scalpel blade or two, in my medical kit. There just isn't a lot of call to do a lot of sharpening.
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#209510 - 10/11/10 09:35 PM
Re: Best field knife sharpener
[Re: thseng]
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Veteran
Registered: 03/02/03
Posts: 1428
Loc: NJ, USA
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For field use, I carry a Diamond Mini-Sharp Sharpener Fine Grit I really prefer to use "extra fine" grit for most regular sharpening, but the "fine" grit is good in case you also need to repair some damage. I concur, DMT diamond stones are excellent. Perfect for a quick touch up and they work well with even the hardest of modern blade steels. I prefer this model though: http://theconsumerlink.com/DIAMONDMACHININGTECHNOLOGY/detail/TCL+FWFC/110 It's a bit bigger than the keychain size model, but it's faster to use and you get both a course and fine edge.
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#209515 - 10/11/10 11:03 PM
Re: Best field knife sharpener
[Re: Paul810]
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Pooh-Bah
Registered: 04/01/10
Posts: 1629
Loc: Northern California
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I have this model. I needed a training session (Youtube) for proper technique, but it's worth it. It's less expensive here: http://www.amazon.com/DMT-FWFC-Double-Di...mp;sr=8-2-spell
_________________________
If you're reading this, it's too late.
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#209523 - 10/12/10 01:09 AM
Re: Best field knife sharpener
[Re: dweste]
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Old Hand
Registered: 02/11/10
Posts: 778
Loc: Los Angeles, CA
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I use a Single-Cut round chainsaw file for my Axes,Kuhkri& Machete's.Carborundum & Hard Arkansas,Strop for my Knives.Works for me!
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#209582 - 10/13/10 06:54 AM
Re: Best field knife sharpener
[Re: dweste]
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Addict
Registered: 04/21/05
Posts: 484
Loc: Anthem, AZ USA
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For small kits/short trips, couple of 1/4-sheets wet-dry sandpaper in different grits work well for my convex-edge fixed-blades. Light and take up little space.
_________________________
"Things that have never happened before happen all the time." — Scott Sagan, The Limits of Safety
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#209594 - 10/13/10 01:39 PM
Re: Best field knife sharpener
[Re: dweste]
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Carpal Tunnel
Registered: 08/03/07
Posts: 3078
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The DMTs mini sharps are reasonably good, but I do seem to have trouble sharpening ZDP-189 steel (HRC of 65), which is very difficult to sharpen. I seem to get better results with a cheap diamond rod sharpener (powerfix) I picked up from a local discount store for about $4. It looks to be identical to the Gerber Sharpener available here; http://www.amazon.co.uk/Gerber-09841-Diamond-Knife-Sharpener/dp/B0001WOTHCUsing the Powerfix Pen diamond rod and a Red DMT F70F, covers most needs.
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#209595 - 10/13/10 02:20 PM
Re: Best field knife sharpener
[Re: Am_Fear_Liath_Mor]
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Veteran
Registered: 03/02/03
Posts: 1428
Loc: NJ, USA
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The DMTs mini sharps are reasonably good, but I do seem to have trouble sharpening ZDP-189 steel (HRC of 65), which is very difficult to sharpen. I seem to get better results with a cheap diamond rod sharpener (powerfix) I picked up from a local discount store for about $4. It looks to be identical to the Gerber Sharpener available here;
It's most likely because the rod sharpener is a courser grit stone than the DMT you were using. When sharpening harder steels it really becomes necessary to start with a course grit and work your way down (depending on how fine you want the edge). If you try to sharpen a ZDP or S30V blade with just a Fine stone, you'll be there all day. This is why I like the Diafold models. I find the Blue (Course) side can put a reasonably quick edge on most blades, then I can clean it up with the Red (Fine) side if I want a more polished edge. With ZDP I would even think about maybe going with the Black (extra course)/Blue model just to save time.
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#209724 - 10/15/10 05:04 PM
Re: Best field knife sharpener
[Re: dweste]
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Newbie
Registered: 10/18/09
Posts: 25
Loc: NY
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Back in November of last year I found a small smith's brand pull through knife sharpener. yha these sometimes stink but I picked it up real cheap and tested it so far I like it it wont work with a knife with a poor relief edge it has a coarse and a fine sharpening edge. i think the fine edge is crapy. and its real easy to work no skill needed. purchased at our favorite China store WallMart Litlefoot01 protect our freedoms.
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#209736 - 10/15/10 09:06 PM
Re: Best field knife sharpener
[Re: dweste]
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Carpal Tunnel
Registered: 04/28/10
Posts: 3164
Loc: Big Sky Country
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I prefer synthetic waterstones for most of my sharpening, with DMT Dia-sharp diamond plates for coarse work, but for simple sharpening in the field it's tough to beat the Edgemaker Pro system. I agree that most pull-throughs are junk but the EMP is different. The compound steels flex inward under pressure, using leverage to help remove steel & put an edge on quickly. A set of all three grits is only $30 with free shipping, but if you want to economize the 2 pc kit (comprising the top 3 out of the 4 available grits) will suffice. In practice the yellow Honer is enough if you use it regularly. My dad gave me on that he'd been using for 15 years and it still works well. Of course, all pull throughs have some limitations. The EMP has worked well on 95% of the blades I've tried it on but I suppose there are some it wouldn't like. It's not designed to do convex so it wouldn't be ideal for a Bark River or something like that. But it's effective on the vast majority of knives.
_________________________
“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman
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#211134 - 11/10/10 02:47 PM
Re: Best field knife sharpener
[Re: dweste]
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Journeyman
Registered: 11/17/07
Posts: 88
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Sharpeners largely depend on the blade shape and edge type. This is field work sharpening. For "easy " shapes like a standard clip point, drop point, spear point or pukko, without serrations I tend to use the DMT DIAFOLD (2 sided diamond stone linked to by others), a Spyderco Double stuff pocket stone (the 2 grades of ceramic used in their Triangle sharpener, but flat simmilar to a 3/4"x4" stone).
This is done more at home. (one of the above stones is there to fix nicks and gouges in the edge while out in the field). Some of my blades and all my axes/hawks have a convex edge so I use a piece of wet-dry sandpaper in varying grits on a strop board (wood bord with leather pad, mine has polishing compound addded to the leather)Or you can do the sandpaper over a mouse pad.
This is both Field and home techniques. Then you get into inward curving or undulating cutting edges (kukri, karambit, etc) these tend to take a round (diamond rod, round or 1/2 round file, or round ceramic rod), triangular (various ceramic sticks) or convexed (the top of some old sanding blocks) sharpening surface.
The pull through style sharpeners are ok for basic edge shaping in my experience, unfortunately with some knives they tend to leave a bur on the edge and require a light touch on one of the above mentioned devices to finish the job. Case in point I sharpend a friend work knife yesterday that she has used a accusharp on for about 2 years, 5 minutes touching up the bur and getting it shaving sharp.
Other things play into what a specific blade needs to be sharpened. Harder steels seem to work with pull trough sharpeners better, softer steels seem more inclined to like being caressed with files, ceramic or natural stones, while the in between hardnesses like most of everything with an occasional touch up on one of the first three methods.
There are also various angle guide tools to maintain the sharpening angle. I have used a few, they help when learning to sharpen by hand for some people.
Over all, it seems to be a trade off of space and weight for the method(s) you choose to sharpen with. Axes and machetes can both be repaired with a file in the field but, is the extra weight of the file or files necessary? Are any of your other blades soft enough to not force the file to slip off it whitout removing metal?
I have carried the Spyderco double stuff stone for nearly 10 years and the DMT diafold fo almost 8. They work for me for my EDC blades. I have pull trough sharpeners or back up diamond rods in most of my bags or packs I use.
Just throwing some of my seldom useful information out there.
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