Sharpening big-bellied knives on the Sharpmaker

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Ferrari353

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Aug 2, 2012
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I have a Tri-Angle Sharpmaker and when I sharpen my CS Spartan which has a big belly and is very curvy or even a knife with a mostly flat back and a roundish edge, I'm not sure how to do it exactly. It's basically two separate problems, so here they are:
1) With the big-bellied knife, like the Spartan, when I try to use the flat side of the stone, the parts of the blade that curve inward only touch the edges of the stone and not the center part. Is that bad? Should i only use the triangular sides?
2) Should the blade be perpendicular to the Sharpmaker? Like, when I get closer to the tip, should the knife be tipped forward?
 
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Check out some of the YouTube videos on using the Sharpmaker, so of them are pretty helpful. But to answer your question.., I've gotten to where I pretty much only use the corners of the stones for this very reason. I still get shaving sharp edges in my knives this way and still love the Sharpmaker. However, one of the videos I watched a addressed the issue of parts of the blade loosing contact with the flat part of the stone. That guy angled the handled towards the opposite stone to compensate for the curve of the blade, and seemed to get good results. Keep sharpening, use the magic marker trick, and find out what works best for you.

Also, per the instructional video you should angle the tip of the knife downward as you get closer to the tip on "big-bellied" blades.
 
i found that marking the blade portion i want to sharpen with a marker works great, this allows to to see exactly what i am sharpening. As well as holding the knife in a more downward angle rather then straight hits the belly much better
 
smeecogg said:
i found that marking the blade portion i want to sharpen with a marker works great, this allows to to see exactly what i am sharpening. As well as holding the knife in a more downward angle rather then straight hits the belly much better
Click to expand...

If I can't sharpen all the marker off or if it accidentally gets on a different part of the blade, is it easy to clean off?
 
Use the corners of the rods and follow the curves of the blade.
 
Just use the corners as rycen says. That is what I use for all of my curvy-knives from the Cricket to Kukhris, and it works really well.
 
The marker will come off with any kind of solvent lighter fluid rubbing alcohol etc.
 
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