this post was submitted on 09 Oct 2024
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WetShaving

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This is a community of enthusiasts, hobbyists and artisans who enjoy a traditional wet shave: brush, soap, and safety or straight razor. We are a part of the WetShaving community found on Reddit, Discord, and IRC.

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[–] gcgallant 3 points 1 month ago (1 children)

Yes, that’s the sharpening angle. The bevel is formed by laying the razor on the stone at the spine and edge. The razor is sharpened by removing material (abrading) until the centerline from the spine through the edge intersects with the stone’s surface. For a razor, that angle is typically less than ten degrees and within the small angle approximation range. If I have my phone handy, I just use the calculator. Much more convenient than a slide rule :)

[–] djundjila@wetshaving.social 2 points 1 month ago (1 children)

For the approximation to become useful, we just need to start thinking of bevel angles in units of radians now 😄

[–] gcgallant 1 points 1 month ago

Already there, except I think in terms of sharpening angle and save the multiplication step. Since you have a penchant for maths, you'll be soon to follow :)