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Thread: Zackerty's 440C Steel Investment Casting Project

  1. #21
    Spyderco Forum Registered User Stuart Ackerman's Avatar
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    Starting to rough grind at the moment, in between other orders, and at midnight, etc...

  2. #22
    Spyderco Forum Registered User zenheretic's Avatar
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    Ahhhhh, now I can say cool!
    Follow the mushin, but pay it no heed.

  3. #23
    Spyderco Forum Registered User butch's Avatar
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    i ll 2nd that cool
    cant wait to see how it goes
    how you going to do handles?
    Lloyd R Harner III (Butch)
    a step forward
    working my way to a licence to drill
    www.harnerknives.com

  4. #24
    Spyderco Forum Registered User SeanH's Avatar
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    Quote Originally Posted by zackerty
    Starting to rough grind at the moment, in between other orders, and at midnight, etc...
    Zackerty, are you making a bushcrafter out of the one on the left? What kind of grinds are you planning?
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  5. #25
    Spyderco Forum Registered User Zac's Avatar
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    Quote Originally Posted by zackerty
    Starting to rough grind at the moment, in between other orders, and at midnight, etc...
    I love how you are doing a variety. Looking great!
    WARNING: Sanity not guaranteed.

  6. #26
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    Wow, you could do integral fixed blades easily. The last one on the right looks great for an integral one piece knife!

  7. #27
    Spyderco Forum Registered User Stuart Ackerman's Avatar
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    Handles will attached with SS Corby bolts, and green, black, and red linen micarta handles...
    The left one resembles a bushie type, that is true...

  8. #28
    Spyderco Forum Registered User Stuart Ackerman's Avatar
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    ...and all grinds are flat, or flatish...
    The hawks will be a flatish concave, due to the angle required to produce a hawk shaped blade...

  9. #29
    Spyderco Forum Registered User JaM's Avatar
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    Thumbs up

    Very nice, keep us posted !

  10. #30
    Spyderco Forum Registered User Stuart Ackerman's Avatar
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    Here are some pics after HT...notice the pattern, etched by 2 minutes in hydrocloric and hydroflouric acid...My nitric and hydro are not mixed yet, and THAT is the best etch, good old Aqua Regia...





    And a group pic of the bead blasted blades...12, with 4 still be finished before HT...


    The top one is the test knife...400 grit belt sharpened, then medium DMT diamond ....75 cuts on 18mm hemp and still shaves, not as cleanly as a razor, but these are not razors...
    Finer grits seem to reduce the cutting ability, but an edge dragged across my thumb nail tells me there is still an edge...
    Spectra rope 8 tonne, hemp rope, etc are swiftly parted...

    The Hawks are next to test...same rope...

  11. #31
    Spyderco Forum Registered User butch's Avatar
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    how cute a snow flake finish
    looks cool to me
    Lloyd R Harner III (Butch)
    a step forward
    working my way to a licence to drill
    www.harnerknives.com

  12. #32
    Spyderco Forum Registered User Chucula's Avatar
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    oo those are some nice looking knives--I like simple, elegant designs. Well done!

    Keep us updated

  13. #33
    Spyderco Forum Registered User snuffaluff's Avatar
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    whoa! These are great!!
    Isa 9:6 For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace.

  14. #34
    Spyderco Forum Registered User clovisc's Avatar
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    ah man... that boye steel is really something amazing... love the little dendritic steel folder i have from him!

  15. #35
    Spyderco Forum Registered User Stuart Ackerman's Avatar
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    To prevent confusion with David Boye, the inventor of 440C Boye Dendritic Cast Steel...and out of respect to the Man...

    I am naming this steel.... 440C Snowflake Cast Steel...I am registering a trade mark as we speak...
    When I saw the pattern on Tuesday morning, after the HT, I said something similar about the snowflake resemblance to my wife...
    And now butch here in SF has said the same thing...

  16. #36
    Spyderco Forum Registered User Th232's Avatar
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    That's looking very nice! If there are any more pics, please share.
    Will

    "No one wants to look the fool. Everyone does the best they can. If they knew better, they'd do better" - old woman on the railway tracks to Sal.

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  17. #37
    Spyderco Forum Registered User Zac's Avatar
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    lordy those look good
    WARNING: Sanity not guaranteed.

  18. #38
    Spyderco Forum Registered User butch's Avatar
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    woohoo snowflake steel it is
    Lloyd R Harner III (Butch)
    a step forward
    working my way to a licence to drill
    www.harnerknives.com

  19. #39
    Spyderco Forum Registered User SeanH's Avatar
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    So is the pattern caused by an internal crystalline structure or surface abnormalities?
    >>The Spyderco Forum Cookbook ... and its thread<<

    Think about what you believe, but don't believe everything you think.

    "We feel that to "charge as much as the market will bear" is "to bite the hand that feeds you"."
    Sal Glesser

  20. #40
    Spyderco Forum Registered User zenheretic's Avatar
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    Quote Originally Posted by SeanH
    So is the pattern caused by an internal crystalline structure or surface abnormalities?
    I thought it was caused by the acid etching...
    Follow the mushin, but pay it no heed.

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