Sometimes, the iron of my plane iron seems to chip away when sharpening rather than taking an edge. I must’ve spent half an hour on my coarse stone but only part of the edge forms a burr, the centre area seems to crumble instead (I must’ve ground away about a millimetre of steel). I switched from hand sharpening to using a guide in case it was my technique but I still get the same result.
Has anyone had anything similar? Can you think of any mistakes I might have made to damage the edge? Is it worth trying to grind away a lot of steel or will it be bad all the way through?
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