View Poll Results: Fins: Fact or Fiction? (public results poll)

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  • Fins are real and serve a purpose

    11 25.58%
  • Fins are BS

    32 74.42%
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  1. #101
    Senior Moderator JimmyHAD's Avatar
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    Here is a beauty Note the micro chipping in the edge.
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    Be careful how you treat people on your way up, you may meet them again on your way back down.

  2. #102
    Senior Member badboris's Avatar
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    Quote Originally Posted by Ben325e View Post
    Okay - I guess this should have happened a long time ago, but I'll put what my definition of a fin and an edge would be.

    For a straight razor, an edge would be the intersection of two planes where the distance between them increases as the distance from the intersection increases, such as a V.

    A fin would be a section of steel whose thickness is constant for a distance, protruding from the intersection of two planes where the distance between the two planes increases as the distance (opposite the fin) away from the intersection increases, such as a Y.

    If the fin IS a V, then I would not classify it as a fin at all. It is in fact a V, albeit thin and easily deformable.
    Ben. you are right, this is exactly what i think

  3. #103
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    Quote Originally Posted by Ben325e View Post
    Okay - I guess this should have happened a long time ago, but I'll put what my definition of a fin and an edge would be.

    For a straight razor, an edge would be the intersection of two planes where the distance between them increases as the distance from the intersection increases, such as a V.

    A fin would be a section of steel whose thickness is constant for a distance, protruding from the intersection of two planes where the distance between the two planes increases as the distance (opposite the fin) away from the intersection increases, such as a Y.

    If the fin IS a V, then I would not classify it as a fin at all. It is in fact a V, albeit thin and easily deformable.

    That may well be your definition, but I would say that the original "fin" spoken of in ancient tomes of barber lore is simply refering to the pliable V edge.

    I do not think that there is a way to achieve a Y edge, without perhaps honing on a convex surface, which would impart a concave surface to the edge bevel.

  4. #104
    Senior Member Howard's Avatar
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    I hone my razors under magnification and I have seen fins. When I do, I hold the razor vertically on a very fine stone like a Shapton 16k or 30k and with very little pressure draw it toward me. I then do three light pushes on the stone on each side moving away from me. This removes the fin in the same way a short, steep slope stropping will i.e. by fatiguing the fin and getting it off the edge. I'm in agreement that the V formed with no chips, fins, curls, fingers, etc. is the best shaving edge I get.

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