DIY - Big Sharpeners for Big Blades

TravisH

TravisH

Joined
Sep 22, 2014
Messages
2,930
So, with all these big KaBar choppers and kukris and the new BK&T Kukri due out 'soon', I was thinking - How am I going to sharpen these monsters?

Then CM_Rick posted his DIY sharpener in the BK&T subforum and this inspired me to try a couple of variations...

Prototype cross-stick sharpener, about 12"x18" and will hold sandpaper strips up to 12.5" long, giving you a long draw for those big blades. Using 500grit wet/dry sandpaper, I was able to get my BK9 to slice phonebook paper effortlessly. And it can be adjusted to either 20°, 22.5°, or 25°.




Here's a smaller 6"x13" one-sided solid sharpener with a rounded-over edge ...




The cross-stick is definitely safer to use by eiither holding it at the very top and inside the 'triangle'.

I'll play around with the design some more and maybe make it out of hardwood like oak or maple. I'll probably replace the wood screws with bolts and wing-nuts to make it adjustable and collapsible without the need of tools.
 
Well done - I used to tape down emery cloth at the edge of my workbench; it worked, but nowhere near as well as your idea will. (I'm going to shamelessly steal your idea before you copyright it or patent it. :D )

~Chris
 
I don't have a"big" blade yet, but that is pretty darn cool. I do plan on either a bk9 or a machax next, so that would come in handy. Thanks for the heads up
 
Excellent work! For my big 7+ inch blades I got fed up with time consuming stones etc and bough a Ken Onion Worksharp. Still have to be careful how you run big knives through it but as long as you are youll have hair shaving sharp near mirror polish and easy to attain convex edges in 10-15 minutes even with the biggest most cumbersome. My Ontario SP10 came with a butter knifes edge and is one big heavy and cumbersome beast but after 15 minutes of concentrated effort on my Ken Onion I had turn the butter knife edge into a gleaming convexed hair shaving beast I love the thing
 
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