The "Ask Nathan a question" thread

Discussion in 'Carothers Performance Knives' started by JustinFournier, Aug 30, 2016.

  1. Casinostocks

    Casinostocks Factotum Gold Member

    Mar 20, 2016
    Don’t forget to add a customary 15% on top for the cleverness factor after you adjust for inflation but still leave the handsomeness as a free bonus :p
     
  2. TRfromMT

    TRfromMT Gold Member Gold Member Basic Member

    Jan 4, 2016
    @Nathan the Machinist over in the "what would you like to see next" thread, Justin suggested a small forest axe, then maybe a bigger one.

    Would you forge an axe head, or would you do some massive plate cut out and machined? Would you do a bit in a machined housing? How would CPK approach this?
     
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  3. JustinFournier

    JustinFournier Gold Member Gold Member

    May 7, 2012
    Tell me you wouldn’t like to see Nathan’s take on an axe handle?!
     
  4. Lorien

    Lorien KnifeMaker / Craftsman / Service Provider Knifemaker / Craftsman / Service Provider

    Dec 5, 2005
    I doubt that would happen. A one piece hatchet makes sense, although they might need to change the name to CPKT
     
  5. Nathan the Machinist

    Nathan the Machinist KnifeMaker / Machinist / Evil Genius Moderator Knifemaker / Craftsman / Service Provider

    Feb 13, 2007

    Due to the fairly large amount of material scrap in something like an axe head I might utilize a forging if quantities were large enough to justify the additional step. But I would machine them from "billet" in low quantities.

    The machining centers we have here are very stout Mori Seikis that have high material removal rates in steel. We would make short work of roughing an axe head. The real driver of cycle time would be the finishing steps which would be the same regardless of billet or forged. so the only real advantage to a forging would be material savings which might be offset by the expense of forging, I don't know.
     
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  6. JustinFournier

    JustinFournier Gold Member Gold Member

    May 7, 2012
    What’s it going to take to get the party started?
     
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  7. Nathan the Machinist

    Nathan the Machinist KnifeMaker / Machinist / Evil Genius Moderator Knifemaker / Craftsman / Service Provider

    Feb 13, 2007
    Are we talking about 4140 chromoly steel or Delta 3V?
     
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  8. JustinFournier

    JustinFournier Gold Member Gold Member

    May 7, 2012
    You tell us Boss.

    I recall the story you shared some years ago about exponentially increasing the lifespan of a cutting tool used in an industrial application, cutting cable or cutting fiber optics perhaps. I imagine you know the one I’m talking about.

    I think your track record of optimizing HT, material selection and designing high performance, application specific cutting tools speaks for itself.

    IMO there are a few very common applications for hatchets/small axes.

    General camp duty is normally something ranging from a slightly convex profile to almost flat cheeks. It’s not as good as something more strongly convex for processing firewood, splitting basically.

    But something strongly convex just sucks at chopping or limbing. Glancing is the worst.

    So in general you want one with concave/hollow profile/cheeks for cutting, limbing etc. But that sucks at splitting.

    I mostly split. But I hate glancing.

    As axes/hatchets are too big to carry two IMO, I always compromise with a small forest axe around camp.

    However I can’t help but look at how CPK has changed how I use knives, permanently.

    I can’t say anyone has done the same for me in the axe game.

    Autine (Latvia) and some Japanese makers have gone to laminated steels which seems to be the main innovation in ages. But many makers don’t even have a consistent profile or geometry, and there is some luck in how good the head you get will be. Then handles... People actually make money finding vintage heads, restoring them and hanging them. That’s kinda crazy to think but it’s how commercial quality tools changed the industry.

    So I want to think you could look at the application, make some changes to what is out there now and create something better.

    Actually I know you can. I just don’t know if you want to.
     
    Last edited: Aug 20, 2020
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  9. - SpyderMan -

    - SpyderMan - Gold Member Gold Member

    845
    Mar 28, 2015
    I’d be in 100%. Just sayin’.
     
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  10. mb>

    mb> Gold Member Gold Member

    Sep 24, 2014
    .
     
  11. trevitrace

    trevitrace Gold Member Gold Member

    Jul 21, 2013
    Justin, when you say 'SFA' are you referring to their small forest axe or the Scandinavian forest axe? Thanks in advance and apologies if you've already clarified and I missed it.
     
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  12. gunslinger387

    gunslinger387 Gold Member Gold Member

    474
    Aug 31, 2010
    In for at least one.
     
  13. JustinFournier

    JustinFournier Gold Member Gold Member

    May 7, 2012
    My bad, small forest axe around camp. I have a GB small forest axe and an Autine forest axe as my main users right now but have gone through countless axes over the last 30 years.
     
  14. gunslinger387

    gunslinger387 Gold Member Gold Member

    474
    Aug 31, 2010
    Which steel of yours could you make the “sharpest” for push cutting through a piece of paper? Is there really not much of a difference or would it be noticeable?
     
  15. WValtakis

    WValtakis Hand Engraving, Ti anodizing, and mods Knifemaker / Craftsman / Service Provider

    May 29, 2004
    D3V did just fine...

     
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  16. JJ_Colt45

    JJ_Colt45 Gold Member Gold Member

    Sep 11, 2014
    I'd be in to torture test the axe ... jus sayin ... ;)
     
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  17. gunslinger387

    gunslinger387 Gold Member Gold Member

    474
    Aug 31, 2010
    #stillnotnathanthe2nd, You’re right...... but could D2 or AEBL be brought to a finer edge?
     
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  18. vkp78

    vkp78 Gold Member Gold Member

    329
    May 6, 2014
    Without highlighting what I really wanted to highlight

    “We’re all lyin’ in the gutter, Fred. But some of us’re lookin’ at the stars…”
    -Corporal Nobbs quoting Oscar Wilde
     
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  19. JustinFournier

    JustinFournier Gold Member Gold Member

    May 7, 2012
    Clever!!
     
    Last edited: Aug 21, 2020
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  20. Nathan the Machinist

    Nathan the Machinist KnifeMaker / Machinist / Evil Genius Moderator Knifemaker / Craftsman / Service Provider

    Feb 13, 2007
    D2, no. AEBL, probably.
     
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