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The Newbies Arena Are you new to knife making? Here is all the help you will need.

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  #1  
Old 12-07-2005, 07:40 PM
B Doone Jr B Doone Jr is offline
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Sharpening system...opinions sought

During my daily web surfing I came across this website listed under a tutorial. Sounds interesting to me....but then I'm a newbie. Care to visit the site and give me your opinions?

http://www.handamerican.com/scary.html

Bernie


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Old 12-07-2005, 08:44 PM
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TexasJack TexasJack is offline
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Scary Sharp has gotten very popular with woodworkers - esp. for sharpening chisels. It's simple and it works! This is the first time I've seen someone marketing it.

All you really need is a good, flat surface. The guy who wrote about it first used glass, so that's usually what you see. You tape down pieces of sandpaper - starting with maybe 200 grit and working your way finer until the tool is sharp. You MUST keep the edge at a constant angle, but the repetition in this method sorta trains you to do that.

The advantage is that you can end up with a very sharp edge and a smooth finish fairly quickly and without some expensive system like Tormek. The disadvantage is that you go through a bunch of sandpaper and you have to have a good variety of grits.

If you put some oil on the paper, it effectively cuts the cutting size of the grit about in half. It also makes it a lot easier to sharpen.

Go get a dull knife (like one from the kitchen) and try it out.


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Old 12-07-2005, 09:44 PM
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Andrew Garrett Andrew Garrett is offline
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I went over this method in a recent post elesewhere, and it works better every time I do it.

I put a 320 grit belt on my seldom used 1" x 30" grinder. I used a protractor to cut out a triangular piece of leather with a perfect 22 degree angle on it. I cleaned off the appropriate place on the grinder and taped the leather to the frame where it hold the upper wheel in place. I orient the leather so the 22* point is pointing down with one side paralel to the belt.

I use the leather as a simple angle guide and lightly grind the edge one or two strokes one way and then the other (on a slack portion of the belt). I do this until I see an even burr come up along the length of the cutting edge. If the blade has a recurve, I just angle the point outward a bit using the edge of the belt to work that area.

After I get a good even burr, I very lightly drag the edge backward across a piece of paper which I have rubbed a finishing rouge into. I use little more than the wieght of the blade itself as not to round the edge. I am careful to use the proper 22* angle and have another scrap piece of leather cut at that angle to check it with. I only do this until the burr is worked off. It shouldn't take more than 5 or 10 strokes on either side.

I then lighly strope on the denim of my jeans pulled tight across my thigh.

The edge is awesome! I can shave strips of paper thinner than it is thick!

I have a Lanskys that I never even use now.

Give it a try.


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Old 12-08-2005, 09:05 PM
B Doone Jr B Doone Jr is offline
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Thanks for the reply guys...... really sounds like somethinng to try out...especially when compared to the price of some of the systems out there !!!
thanks again
bernie


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