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Author Topic: How to sharpen a knife  (Read 3369 times)

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Offline grampagord

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How to sharpen a knife
« on: October 09, 2011, 11:40:34 AM »
easy sharpening of a knife can be done with the dottom of a coffee mug the ruff ring on the dottom of the cup works well to sharpen a knife .ceramic is the next hardness to diamond. three light strokes one side three the other side should touch it up to razor sharpness

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Offline blind ear

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Re: How to sharpen a knife
« Reply #1 on: October 09, 2011, 12:24:23 PM »
most people would probably consider that knife sharp before you whetted it. ear
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Offline yooper77

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Re: How to sharpen a knife
« Reply #2 on: October 09, 2011, 12:32:08 PM »
Yep, I used it for years out camping.
 
yooper77
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Offline Alan R McDaniel Jr

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Re: How to sharpen a knife
« Reply #3 on: October 09, 2011, 04:41:33 PM »
I grew up watching for poisonous snakes of one kind or another so I spend a lot of time looking at the ground.  Whenever I'm around a bunch of gravel I always look for long, slender torpedo shaped sandstone, and pick them up.  They are some of the nicest quick sharpeners around and they're totally free.


Alan
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Offline Pat/Rick

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Re: How to sharpen a knife
« Reply #4 on: October 17, 2011, 08:25:44 AM »
I've probably mentioned it before but the ceramic tubes from the old knob and tube wiring days are great for touching up a blade. I have used cup bottoms for along time as well.
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Offline SHOOTALL

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Re: How to sharpen a knife
« Reply #5 on: October 17, 2011, 08:38:57 AM »
the slide on a Glock if just a touch up is needed.
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Offline Rex in OTZ

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Re: How to sharpen a knife
« Reply #6 on: November 17, 2011, 09:43:29 AM »
Can burnish a edge on useing a craftsman hand wrench, use it quite oftin when burnishing gravel nicks in airplane prop blades.
Another is useing steel, angle iron works and so does wire rope(Cable) under tension
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Offline gcrank1

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Re: How to sharpen a knife
« Reply #7 on: July 01, 2012, 12:24:46 PM »
The top rolled edge of a vehicle window cranked down about 2/3 of the way makes a nice, long sharpener, not unlike a long ceramic rod. (Im an old part Indian, hope that counts)
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Offline R.W.Dale

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Re: How to sharpen a knife
« Reply #8 on: July 01, 2012, 01:21:23 PM »
I will have to try this. Coffee cup huh?
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Offline blind ear

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Re: How to sharpen a knife
« Reply #9 on: July 01, 2012, 04:11:56 PM »
A peice of a toilet tank that is flat will get close to an edge. The new type that are glazed on the outside and still some rough on the inside. After you wori the edge down with this stone you can change to a harder glass to get a better edge. It will be similar to useing two different grades of "honeing" stones. ear
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Offline jackruff

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Re: How to sharpen a knife
« Reply #10 on: July 01, 2012, 04:21:17 PM »
Been using plates and cups for years, but the best to me is still an old carborundum stone that belonged to my grandaddy who died in 1959.  So it is old!  It has both a coarse and a fine side.  Then I finish up with an Arkansas stone, literally.  I bought it in a store on Petit Jean Mountain in 1972.
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Offline blind ear

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Re: How to sharpen a knife
« Reply #11 on: July 02, 2012, 10:41:33 AM »
Quote from: jackruff on July 01, 2012, 04:21:17 PM
Been using plates and cups for years, but the best to me is still an old carborundum stone that belonged to my grandaddy who died in 1959.  So it is old!  It has both a coarse and a fine side.  Then I finish up with an Arkansas stone, literally.  I bought it in a store on Petit Jean Mountain in 1972.

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That is what I do also but you can find sharpening rocks that will work in abandoned house sites and junk piles when in the woods.
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Oath Keepers: start local
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“It is no coincidence that the century of total war coincided with the century of central banking.” – Ron Paul, End the Fed
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An economic crash like the one of the 1920s is the only thing that will get the US off of the road to Socialism that we are on and give our children a chance at a future with freedom and possibility of economic success.
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everyone hears but very few see. (I can't see either, I'm not on the corporate board making rules that sound exactly the opposite of what they mean, plus loopholes) ear
"I have seen the enemy and I think it's us." POGO
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Offline Keith1

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Re: How to sharpen a knife
« Reply #12 on: July 02, 2012, 05:31:33 PM »
The simplest thing for me to sharpen a knife is wet or dry sandpaper. That's mostly all that I use.
I do have a couple of kitchen knives that I sharpen on stones however.
Regards, Keith
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Offline jackruff

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Re: How to sharpen a knife
« Reply #13 on: July 03, 2012, 01:19:43 AM »
I've tried using sandpaper, which, depending on the hardness of the surface under the paper, can yield a convex edge on a knife, but I still prefer the results obtained with stones.  It may be simply a matter of familiarity - we tend to prefer what we're used to.
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Offline gcrank1

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Re: How to sharpen a knife
« Reply #14 on: July 03, 2012, 02:33:38 AM »
Maybe its just a perception thing, but since Ive gone to water, rather than oil, my stones seem to work better. Anybody seen/ heard anything about this?
FWIW, I found a nice, flat, fine grained old 'shop' stone at a B&S shop that was filthy oily, so I soaked it with Brake Clean and rubbed off the float several times. It cleaned up quickly and well, and I started using it with water; it works great! So I did the same with my Buck stone set I got back in the '70s and have used with Buck Honing Oil since the start. Now with water they are working 'better' too.
I think that maybe the oil makes a nicer finish???, but the water lets the grain structure cut better; ie, faster??? (just like with using wet or dry sandpaper with oil vs water) Ive always heard that you cant start a stone with oil and go to water, but maybe that was a holdover from the days when they didnt have these super penetrating solvents to float the oils out.
Anyway, Ive usually got some spit, if nothing else, to wet a stone to whet an edge rather than waiting and hacking the job.
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22Mag UV / 22LR  Sportster
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12ga. 'Ol' Ugly OverKill', Buck barrel c/w  SpeedStock  and swap 28" x Full bird barrel, 1974

Offline blind ear

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Re: How to sharpen a knife
« Reply #15 on: July 03, 2012, 03:08:15 AM »
An oil stone or a water stone will keep the water or oil on the surface. Oil will usually float the cut/grind better and glaze less often.
If a dry stone glazes wash it with detergent, dry it then use it until it glazes again. ear
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Oath Keepers: start local
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“It is no coincidence that the century of total war coincided with the century of central banking.” – Ron Paul, End the Fed
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An economic crash like the one of the 1920s is the only thing that will get the US off of the road to Socialism that we are on and give our children a chance at a future with freedom and possibility of economic success.
-
everyone hears but very few see. (I can't see either, I'm not on the corporate board making rules that sound exactly the opposite of what they mean, plus loopholes) ear
"I have seen the enemy and I think it's us." POGO
St Judes Childrens Research Hospital

Offline Keith1

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Re: How to sharpen a knife
« Reply #16 on: July 07, 2012, 05:13:58 PM »
For stones I use Japanese water stones. They cut fast and the real fine grit ones polish the blade so that it looks like a mirror. When a blade is really polished the edge seems to last longer. I have read that the carbide crystals don't break out of the edge as much when the edge is polished and that is why the edge lasts longer.
After sharpening with a stone or sandpaper I then strop the blade on balsa that is charged with diamond spray. That really refines the edge.
Regards, Keith
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