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Thread: Honing a warped blade
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11-12-2017, 09:45 PM #1
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- Nov 2017
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Thanked: 0Honing a warped blade
I purchased a Theirs Issard straight razor (H11-6/8-188-A) and it has shaved great with the factory edge and regular stropping, despite having recieved it with a very microscopic nick in the edge. Now upon re-honing, I can see that the blade is actually warped or bent in the middle, the result being that the middle portion of the blade will create a large bevel on one side and the other side barely contacts the waterstone. More X strokes can somewhat compensate, but the blade is clearly warped and future honing will only cause the line of the blade edge to change as it wears more on the convex area.
So, I am wondering if I tape the spine and rehone to a steeper bevel, that will allow more of the blade to contact the stone or will it just wear more of a wiggle into the edge? As I suggested, more X strokes should work better since keeping the entirety of the blade on the stone will hold the concave portion off the stone, but is this also leading to the same place where the edge will wear away into a wiggle?
I have never had this issue on other razors. When I got started with straight razors, I picked up some vintage razors from a friend to play around with for feel. One was a Covalt & Smith #122 5/8 (Solingen steel) and the other was a George Wostenholm & Sons IXL 6/8 (Sheffield steel). First thing I had to do was learn how to hone them. I already have Japanese waterstones for honing my chisels and planer blades, although it was a bit of a learning curve working on an SR. I used a shavette as a point of comparison (those are retardely lethal!) until I could achieve a satisfactory edge. I am sure I there is room for improvement, but I think I 'get it.' Knowing you can achieve roughly 3 different grits on the same stone by adjusting pressure and water helps and likewise I am quite gentle with a strop.
I typically hone thru:
#800 Suehiro
#1200 Suehiro
#8000 King
Imperia LaRocca
Lemme see if I can figure out how to post some pics here. I can't capture the fine shadow of the concave area laid flat on the stone, but you can see the shine of the bevel in the light.