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Reply by lwllms

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Posted on convex sharpening method?

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lwllms

535 posts in 1884 days


#1 posted 463 days ago

12string, you asked,

”1. I understand what you are saying about not needing to hone the entire convex bevel, just the very edge, since the rest doesn’t touch the wood…but as long as i’m not really trying to get more than the very tip honed…I guess I don’t see how it is going to take any significantly more time. Re-grinding on low grits, or a wheel is going to be necessary occasionally no matter what method you use, as your micro-bevel gets bigger and bigger, right?

2. Are you saying He doesn’t hone the back at all? I guess I didn’t get that. I assumed even using the convex method, you would still take off the wire edge by honing the back. How can doing something different tot he bevel side have a different affect on the flat face?”

Here’s the link:
http://www.youtube.com/watch?v=vvTcReENk9g

Watch the whole thing.

Sellers doesn’t grind. There’s no secondary bevel, just one rounded bevel. He doesn’t deal with the wear on the flat face. His method ignores the whole point of traditional honing—grind at a more acute angle than you hone at and keep the honed bevel small so it’s easy to deal with.

His method isn’t the traditional honing method. Get any woodworking book before about 1975 and they all describe the same honing method. About 1975 Japanese tools started making inroads into Western woodworking and a lot of sharpening gimmicks started showing up. Sharpening was a life skill for a long time so specific honing methods are often overlooked in early texts. Joseph Moxon alluded to the traditional method in his book published in the 1680’s, Peter Nicholson described it well in the 1830’s, and it was even printed on Stanley’s plane iron packages in the 1970’s. I can give you scans or screen shots if you’d like and there are more books I can scan.

There’s no effect of his rounded bevel on the flat face. Just like honing guides, his method causes people to focus on the bevel and ignore the flat face. Focus on the cutting edge, not irrelevant things like rounded bevels.


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