M4

Discuss Spyderco's products and history.
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Zenith
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#61

Post by Zenith »

In my experience going to a high finish looks good, it does not provide the best performance for CPM-M4.

Just for interest sake, take it up to 600grit and then a light strop and see if that will help.
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Alchemy1
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#62

Post by Alchemy1 »

Well, I was too lazy to put it back in the WE, but I did strop it for about 5-10 minutes total, off and on. I stropped it on a small strop I got over on the See forums that has the nap of the leather facing up. I used the side of the strop loaded with green Bark River compound.

The knife now easily cuts phone book paper, but it still isn't as sharp as any of the other knives I have sharpened on my WE. My Tenacious and Les George VECP will literally fall through phone book paper. I know were comparing apples and oranges, but I'm just saying.
:spyder:Sage 1, Gayle Bradley, Camo Para 2, All black Para 2, "Smurf" Para 2, Orange Para2, Lionspy:spyder:

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Wolverine666
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#63

Post by Wolverine666 »

Anyway , M4 seems like a great steel aside from it's ability to rust rather easily compared to a good stainless steel. But with all the coatings available (like Tuf-Glide) that doesn't really bother me.
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dbcad
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#64

Post by dbcad »

Alchemy1 wrote:Well, I was too lazy to put it back in the WE, but I did strop it for about 5-10 minutes total, off and on. I stropped it on a small strop I got over on the See forums that has the nap of the leather facing up. I used the side of the strop loaded with green Bark River compound.

The knife now easily cuts phone book paper, but it still isn't as sharp as any of the other knives I have sharpened on my WE. My Tenacious and Les George VECP will literally fall through phone book paper. I know were comparing apples and oranges, but I'm just saying.
If you feel yourself getting frustrated with it, don't touch it for a few days or a week. Being a non-professional sharpener with less than perfectly consistent results myself I have found this solution often works :)

I sharpened the Bradley with a DMT aligner and a small touch on the SM and 2u strop. The edge is a bit insane :eek:
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Eee
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#65

Post by Eee »

Alchemy1 wrote:Well, I was too lazy to put it back in the WE, but I did strop it for about 5-10 minutes total, off and on. I stropped it on a small strop I got over on the See forums that has the nap of the leather facing up. I used the side of the strop loaded with green Bark River compound.

The knife now easily cuts phone book paper, but it still isn't as sharp as any of the other knives I have sharpened on my WE. My Tenacious and Les George VECP will literally fall through phone book paper. I know were comparing apples and oranges, but I'm just saying.
Hi Alchemy,

I had a very similar experience on my first sharpening of my GB.
I found it developed a very resilient wire edge; I guess a tough steel gives a tough wire edge. Without magnification I couldn't see it, but bizarrely I could hear it when running it down the fine rods on the sharpmaker. It's kind of hard to describe, but it sounded almost like aluminium foil crinkling. In the end I reprofiled it to 30 degrees inclusive (which doesn't take long) and then stropped it on 2000 grit wet and dry paper followed by a wood backed leather strop. A couple of wipes down the fine rods at 40 degrees put a tiny micro bevel and it's been good ever since. It may not be the best way but it's worked for me. The GB is probably the sharpest knife in my drawer, so I'm a happy bunny. Good luck, and I hope you get it sorted.
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