Page 2 of 3 FirstFirst 123 LastLast
Results 11 to 20 of 22
Like Tree13Likes

Thread: Effect of blade geometry on shave, hht performance

  1. #11
    Rsq
    Rsq is offline
    < Banned User >
    Join Date
    Sep 2011
    Posts
    50
    Thanked: 4

    Default

    The problem is that i can shave my arm long before I can pass the hht. And with things I would never put near my face, like my pocket knife and kitchen knives. That seems even less reliable

  2. The Following User Says Thank You to Rsq For This Useful Post:

    ubet (10-11-2011)

  3. #12
    Member
    Join Date
    Aug 2011
    Posts
    94
    Thanked: 5

    Default

    Quote Originally Posted by Rsq View Post
    The problem is that i can shave my arm long before I can pass the hht. And with things I would never put near my face, like my pocket knife and kitchen knives. That seems even less reliable
    All my pocket knives, and wifes kitchen cutlery will shave hair off legs, arms, you name it. None of them pass the hht, and none are good enough for a face shave either. I am damn new to this straight razor stuff, but I dont see how the arm hair thing is any indication when most common knives after a med ark will take hair off an arm like nobodys business.

  4. #13
    The original Skolor and Gentileman. gugi's Avatar
    Join Date
    Aug 2007
    Posts
    17,410
    Thanked: 3906
    Blog Entries
    1

    Default

    If tests like HHT and TPT don't give you enough information about your edge, and you want something other than just shaving with the razor, you should try a magnification. Unfortunately how high of a quality you need is something you'll have to figure out yourself. I know that I can put a good edge on a razor without ever mechanically testing the edge, only observing it in a microscope with good optics, and that the $50 USB microscopes are not adequate for that task. On most razors I can also do it by just observing the water bead in front of the edge during honing, but for consistency I need the high quality optics as well.

  5. #14
    Senior Member tekbow's Avatar
    Join Date
    Mar 2011
    Location
    Leith, Edinburgh
    Posts
    821
    Thanked: 95

    Default

    Quote Originally Posted by Rsq View Post
    The problem is that i can shave my arm long before I can pass the hht. And with things I would never put near my face, like my pocket knife and kitchen knives. That seems even less reliable
    A razor off the bevel setting stage on a 1k (norton if you like) will shave arm hair. that doesn't mean it will shave your face, a better gateway test is to see if it pops arm hair against the grain with the razor off your skin maybe 5-6mm.

    basically there's 2 arm hair tests.

    The TPT is your biggest friend in conjuntion with this. and a loupe helps a lot too.

  6. #15
    At this point in time... gssixgun's Avatar
    Join Date
    Jun 2007
    Location
    North Idaho Redoubt
    Posts
    26,948
    Thanked: 13221
    Blog Entries
    1

    Default

    Quote Originally Posted by Rsq View Post
    The problem is that i can shave my arm long before I can pass the hht. And with things I would never put near my face, like my pocket knife and kitchen knives. That seems even less reliable
    Quote Originally Posted by ubet View Post
    All my pocket knives, and wifes kitchen cutlery will shave hair off legs, arms, you name it. None of them pass the hht, and none are good enough for a face shave either. I am damn new to this straight razor stuff, but I dont see how the arm hair thing is any indication when most common knives after a med ark will take hair off an arm like nobodys business.


    Thats because the AHT is for a set bevel, nothing more... once the bevel is true and fully set (not overhoned) then all you are doing to refining the edges as you go.....It really is just that simple...

  7. #16
    There is no charge for Awesomeness Jimbo's Avatar
    Join Date
    Aug 2006
    Location
    Maleny, Australia
    Posts
    7,977
    Thanked: 1587
    Blog Entries
    3

    Default

    I think people are overlooking the most important statement made in Glen's first post: calibration.

    All test are rubbish. All. They are not shaves. They are simulations, or models, of a shave, at best. And they are poor ones at that. They are a quick and dirty way to ascertain whether you should bother moving onto the next step, whether that be moving to a higher grit hone, or moving to an actual shave.

    Their only worthwhile use is in conjunction with rigorous evaluation and calibration to your shaves. You must figure out, for yourself, how a certain test correlates to the shave you should expect. No two people's tests will be the same in this regard. No two razor's tests will be the same in this regard. You need a lot of data to calibrate these tests so that they become useful for you.

    In any event, that is how I treat them. I'm not saying the OP's HHT is wrong for him, I'm just saying that as a general thing asking others to interpret your individual test results is like asking someone to comment on how badly your leg hurt when you corked your thigh. They can tell you how much a corked thigh hurt them, but only you can say how much it hurt you.

    (Yes, I corked my thigh recently... )

    James.
    tekbow and Havachat45 like this.
    <This signature intentionally left blank>

  8. #17
    Senior Member blabbermouth Joed's Avatar
    Join Date
    Jun 2008
    Location
    Upstate NY
    Posts
    5,003
    Thanked: 1827

    Default

    Quote Originally Posted by gssixgun View Post
    Thats because the AHT is for a set bevel, nothing more... once the bevel is true and fully set (not overhoned) then all you are doing to refining the edges as you go.....It really is just that simple...
    Glen, I can see how you would feel that way but there is more to it than you think.

    Thanks Jimbo for adding the calibration comments. That is an important part that was missed. It takes a lot of observations with any test to get usable information from the results and in the end, the shave is where the rubber meets the road.

    RSQ, perform both the HHT and shaving arm hairs. When doing the arm hairs go slow, don't just plow them down. Observe how the hairs are cutting. Do one hair at a time at first. The way the hairs cut will give you some degree of smoothness in the shave. Hone until you get past the popping hairs. The arm hair test will give you a test over more of the blade than the HHT will give and if you are cutting arm hairs you just need to refine the edge to give a smooth shave and the HHT can not give you that measurement. The skin on your arm is not as sensitive as the skin on your face so I need to focus to feel a slight tugging which would feel like more on my face. I guess I really don't know what you are trying to achieve.
    “If you always do what you always did, you will always get what you always got.” (A. Einstein)

  9. #18
    At this point in time... gssixgun's Avatar
    Join Date
    Jun 2007
    Location
    North Idaho Redoubt
    Posts
    26,948
    Thanked: 13221
    Blog Entries
    1

    Default

    Quote Originally Posted by Joed View Post
    Glen, I can see how you would feel that way but there is more to it than you think.
    Actually Joe I was trying to keep it simple and not complicate it sorta like the HHT should have been kept simple and uncomplicated...
    When you start trying to get into degrees of sharpness tests, I honestly believe that each person really needs to figure that out on their own with their hair ... The revelation will come with experience instead of us trying to quantify our observations over this media...
    Last edited by gssixgun; 10-11-2011 at 01:56 PM.

  10. #19
    Never a dull moment hoglahoo's Avatar
    Join Date
    Feb 2008
    Location
    Tulsa, OK
    Posts
    8,922
    Thanked: 1501
    Blog Entries
    1

    Default

    what is a corked thigh?
    Find me on SRP's official chat in ##srp on Freenode. Link is at top of SRP's homepage

  11. #20
    Rsq
    Rsq is offline
    < Banned User >
    Join Date
    Sep 2011
    Posts
    50
    Thanked: 4

    Default

    I have coarse, curly hair, so i really need the razor as sharp as possible or I get razor bumps. Thats why i started using a straight in the first place. I like the arm hair popping test and the idea of examining the way the razor cuts one hair at a time

Page 2 of 3 FirstFirst 123 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •