Sharpness & Sharpening

V

vigilant3

Joined
Sep 19, 2008
Messages
2
Hello

I was wondering if anyone had a particular knife sharpener they recommended. Also, when a knife is purchased, is it generally at its sharpest? I'm referring to combat/tactical knives such as the Ka-Bar. I purchased a couple of knives online, it just seems they aren't as sharp as maybe I expected them to be. What's a good way to test blade sharpness?

Thanks for any info :)
 
The spyderco sharpmaker is among the most highly recomended knife sharpening systems on this forum, the instructions that come with it make it absolutely fool proof so it puts amazing edges on knives.

No when a knife is purchased it is not generally at its sharpest, unless of course you never take the time to sharpen it. With the sharpmaker i am able to improve on the sharpness of a new knife in as little as 2 minutes. In fact many of the members here will not even use the factory edge and they will sharpen their knives to acceptable levels that are much sharper than factory edges before use. I find that a good way to test sharpness is to cut paper, i know it sounds stupid but it works; you will be suprised at how hard it is to cut paper from the edge without tearing it. To do this test simply hold the paper in the air with one hand, and then come in on the edge of the paper with the knife blade, you are looking for clean cuts not tears. Another popular method is to try to shave arm hair; i hope it goes without saying to be careful not to cut yourself.

Welcome to the forums and i hope this helped.
 
dtownknifekid said:
The spyderco sharpmaker is among the most highly recomended knife sharpening systems on this forum, the instructions that come with it make it absolutely fool proof so it puts amazing edges on knives.

No when a knife is purchased it is not generally at its sharpest, unless of course you never take the time to sharpen it. With the sharpmaker i am able to improve on the sharpness of a new knife in as little as 2 minutes. In fact many of the members here will not even use the factory edge and they will sharpen their knives to acceptable levels that are much sharper than factory edges before use. I find that a good way to test sharpness is to cut paper, i know it sounds stupid but it works; you will be suprised at how hard it is to cut paper from the edge without tearing it. To do this test simply hold the paper in the air with one hand, and then come in on the edge of the paper with the knife blade, you are looking for clean cuts not tears. Another popular method is to try to shave arm hair; i hope it goes without saying to be careful not to cut yourself.

Welcome to the forums and i hope this helped.
Click to expand...

Thank you that was actually exactly the kind of info I was looking for. Much appreciated :D
 
For the last year I am doing out of the box sharpness test. Here results:

Spyderco Military S90V - 20
DiamondBlades Summit Friction Forged D2 - 20
Kershaw JYDII Ti/SG2 - 30
Yuna Knives Hard II drop point - 50
ScrapYardKnives DumpsterMutt SR77 (S7) - 50
Kershaw Tyrade CPM D2- 60
Kershaw Blur SG2 - 60
Marychev Chirok 95x18 (58-59HRC) - 60
Microtech Currahee D2 - 60
Kiku Matsuda Tanto II OU31 - 60
Spyderco Military BG42 - 60
Spyderco Endura ZDP189 - 60
J.P.Holmes CPM 10V - 70
Dozier KS7 D2 - 70
Marychev Nerpa 95x18 (58-59HRC) - 70
Swamp Rat HRLM SR101 (52100) - 80
Busse Meaner Street Red INFI - 80
Kershaw JYD Sandvic 13C26- 90
Kershaw Cyclone ZDP189 - 90
Fallkniven P SGPS- 90
Busse AD INFI - 90 (inspected by #20)
Busse BA INFI - 100 (inspected by #4)
Buck 110 CPM154 - 110
Mission MPK-S -130
Swamp Rat Mini UM SR101 (52100) - 130
Busse BA INFI - 130

Thanks, Vassili.

P.S. Check this as well http://www.bladeforums.com/forums/showthread.php?t=554632
 
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