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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Sun Nov 04, 2012 5:29 am 

Joined: Fri Nov 02, 2012 10:09 pm
Posts: 3
MadRookie wrote:My EDC (Benchmade Barrage 581 M390) is sharpened to 1k GS.




Why, oh why, did you have to show me that. That looks like a logical upgrade to my Benchmade Griptilian 556 154CM. Have you used 154CM enough to compare the M390 to it?


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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Sun Nov 04, 2012 7:28 am 
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Joined: Wed May 09, 2012 3:59 pm
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Location: Cape Town - South Africa
Using a stone & strop at the same grit works as follows:

Stones set the bevel and create final edge.

Strops maintain that edge at the same grit level, which means less frequently returning to the stones.

I strop ( 8 x passes per blade side) after every use & it can be many months before I need to fall back to the stones.

:)



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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Sun Nov 04, 2012 9:26 am 

Joined: Wed May 02, 2012 11:14 am
Posts: 190
Location: Florida, USA, Earth
MadRookie wrote:Using a stone & strop at the same grit works as follows:

Stones set the bevel and create final edge.

Strops maintain that edge at the same grit level, which means less frequently returning to the stones.

I strop ( 8 x passes per blade side) after every use & it can be many months before I need to fall back to the stones.

:)



Thanks MR.


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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Thu Nov 08, 2012 4:06 pm 

Joined: Wed May 02, 2012 11:14 am
Posts: 190
Location: Florida, USA, Earth
Prompted by a statement by MadRookie I sanded (100 grit sandpaper) a horse hide strop I have and applied BC to it. I have also applied some to the back (split) side of the Handamerican leather sold here. I really like the results of the horse hide. Not much rubs off on my fingers after letting it dry. Some (very little) does but I guess that's the nature of the beast (or Boron Carbide :D). Very very happy with the edges I get when using Boron Carbide.


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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Thu Nov 08, 2012 6:37 pm 
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You see - now try stropping using EXTREMELY LIGHT strokes x 8 passes per blade side......then very light 1 x pass on cork or felt block to debur.... & report back....

:)



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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Fri Nov 09, 2012 2:59 am 

Joined: Wed May 02, 2012 11:14 am
Posts: 190
Location: Florida, USA, Earth
MadRookie wrote:You see - now try stropping using EXTREMELY LIGHT strokes x 8 passes per blade side......then very light 1 x pass on cork or felt block to debur.... & report back....

:)


It's amazing how much difference a few very light strokes can make. I can't even imagine any steel is being removed with strokes as light as I just used. I have known to use light strokes for a while but the level of sharpness I'm getting now within the last 3 months is amazing me. Using ultra light strokes with very fine grit abrasives doesn't seem like it would do much but it does.

I don't have anything felt to strop with or any cork either. I have the felt block but it's a tad bit small to use as a strop. :D Instead I used a small strop for the EP with .1 micron spray and some naked Kangaroo. I may try a felt strop sometime. I'm assuming they are used as a last step tool??? Is that correct? I'll be reading about them. Use naked or with compounds? If compounds, which grits or type of abrasive.

Thanks again MR for advice that is to the point and also works.


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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Fri Nov 09, 2012 6:13 am 
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I meant drawing the blade through a felt block like you would do with a wooden block to debur.

I do not like felt for stropping - 1µ BC on slightly roughened horse but is where I stop.

:)



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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Fri Nov 09, 2012 10:41 am 

Joined: Wed May 02, 2012 11:14 am
Posts: 190
Location: Florida, USA, Earth
MadRookie wrote:I meant drawing the blade through a felt block like you would do with a wooden block to debur.

I do not like felt for stropping - 1µ BC on slightly roughened horse but is where I stop.

:)



Thanks. Just wondering why you don't continue with finer grit abrasives than 1 micron.

Also, what keystrokes do you use to get the micron symbol?


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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Fri Nov 09, 2012 10:55 am 
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Finer than 1µ remokves the "toothy bite" & makes it a worse cutter.

µ = alt+0181

:)



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 Post subject: Re: Boron Carbide on balsa and leather different?
PostPosted: Fri Nov 09, 2012 11:55 am 

Joined: Wed May 02, 2012 11:14 am
Posts: 190
Location: Florida, USA, Earth
MadRookie wrote:Finer than 1µ remokves the "toothy bite" & makes it a worse cutter.

µ = alt+0181

:)



Thanks MR.


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