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Thread: Found a task that S110V is NOT good for

  1. #21
    Spyderco Forum Registered User Coulro's Avatar
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    senorsquare,

    Thanks for the amusing and educational posts!

    About how much force did you apply before it snapped? Anything you could think to compare it to?

    Are you going to take the tang out now and see if it will fit in a regular Manix handle?

  2. #22
    Spyderco Forum Registered User Evil D's Avatar
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    Quote Originally Posted by Donut View Post
    Wow, my condolences!

    I was wondering based on Cliff's comments the other day... does it make no sense to get a Strider in S110V?
    It does if they still honor a lifetime warranty on their blades. If he's confident in giving that warranty on that steel, I wouldn't hesitate to use it to split wood.

    As for this Manix, first I wouldn't have opted to use ANY Manix for this job regardless of the steel. There's not much meat around the pivot as it is, and it's a 3mm blade. I wouldn't hesitate to use my Wildsteer though, I'd pry that stump apart with it to get your blade out.

    The other thing is, this should also put to rest any doubt on the strength of the FRN handle. I really wouldn't expect anything less from the BD1 version either. Regardless of steel, the design of the knife is just not up to the task of prying anything.

    SHARPEN IT LIKE YOU LOVE IT, USE IT LIKE YOU HATE IT
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  3. #23
    Spyderco Forum Registered User Clip's Avatar
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    This is why my drinking knife is the Zwear SnG
    Click here to zoom: Under the Microscope

    Manix2, Elmax MT13, M4 Manix2, ZDP Caly3, ZDP Caly Jr, SB Caly3.5, M390 Para2, Cruwear MT12, Techno, XHP MT16, South Fork, SB Caly3, Manix2 Ltwt, Salt I, 20CP Para2, Military Left Hand, Perrin PPT, Forum Native5, Squeak, Manix 83mm, 440V Military, Gayle Bradley, Swick3, Lil' Temperance, Cruwear Military, VG10 Jester, Terzuola SlipIt, XHP Native Ltwt, Domino, CPM154/S90V Para2, SB Stretch, D2 Para, Dfly2 Salt, Tasman Salt

    Chris

  4. #24
    Spyderco Forum Registered User
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    Time to get a thicker blade to pry that wood apart so you can get the blade apart <snap> ooops

    She swallowed the Spyder to get the fly...
    All God's critters have knives.

  5. #25
    Spyderco Forum Registered User Halfneck's Avatar
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    Right tool for the right job.

    Thanks for the story though.
    "A Delica is still a better weapon than a keyboard and a sour attitude..." Michael Janich

  6. #26
    Spyderco Forum Registered User bh49's Avatar
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    I am sorry for the loss of great knife. fortunately it is fairly easy to replace.
    "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf"
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    Any knife without Spyderhole is defective.
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  7. #27
    Spyderco Forum Registered User
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    Failure mode matters. If the blade had been more ductile I suppose we'd be hearing about how he bent his Manix while splitting a stump instead of the far more impressive story of how he snapped it in two.
    Quote Originally Posted by zhyla View Post
    She swallowed the Spyder to get the fly...
    Last edited by Fancier; 05-02-2014 at 11:41 AM.

  8. #28
    Spyderco Forum Registered User
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    Quote Originally Posted by Clip View Post
    This is why my drinking knife is the Zwear SnG
    Ha!

  9. #29
    Spyderco Forum Registered User senorsquare's Avatar
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    Quote Originally Posted by Coulro View Post
    About how much force did you apply before it snapped? Anything you could think to compare it to?
    I honestly don't remember how hard I was pushing, but I was trying to separate wood that didn't come apart the first time I hit it with the axe. It was no small amount of force and the manix did not give up easily.

    Quote Originally Posted by Evil D View Post
    The other thing is, this should also put to rest any doubt on the strength of the FRN handle. I really wouldn't expect anything less from the BD1 version either. Regardless of steel, the design of the knife is just not up to the task of prying anything.
    I had to break the handle to get at the pivot area and I can vouch that these FRN handles are pretty dang strong. I am a fairly large man and it took quite a bit of effort to get the handle apart. Again, it did not give up easily. If anyone has doubts about the FRN Manix being flimsy you can rest assured that it is not. The FRN is strong and there is a reinforcing plate around the pivot that you can see in the pic below that adds a good bit of strength. Overall I have to give kudos to spyderco for a design that's really surprisingly tough for such a lightweight knife. Apart from random acts of stupidity this knife should be able to handle anything you throw at it.

    I think it may have been the reinforcing plate that created the stress point where the blade failed, but you guys can look at the photos and judge for yourself. There may appear to be metal shavings on the tang, but that's just carpet lint from my truck.

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

  10. #30
    Spyderco Forum Registered User
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    I am impressed. Sorry for your knife, but those are cool pics

  11. #31
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    Right through the hole and on to the radius of the corner. It does kind of look like the reinforcing plate acted as a fulcrum. It looks like you put a sharpening notch on it, but it did not fail through the notch and the spyderhole. Very interesting! Thanks for sacrificing your blade on the altar of science!

  12. #32
    Spyderco Forum Registered User Ankerson's Avatar
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    Quote Originally Posted by senorsquare View Post
    I honestly don't remember how hard I was pushing, but I was trying to separate wood that didn't come apart the first time I hit it with the axe. It was no small amount of force and the manix did not give up easily.



    I had to break the handle to get at the pivot area and I can vouch that these FRN handles are pretty dang strong. I am a fairly large man and it took quite a bit of effort to get the handle apart. Again, it did not give up easily. If anyone has doubts about the FRN Manix being flimsy you can rest assured that it is not. The FRN is strong and there is a reinforcing plate around the pivot that you can see in the pic below that adds a good bit of strength. Overall I have to give kudos to spyderco for a design that's really surprisingly tough for such a lightweight knife. Apart from random acts of stupidity this knife should be able to handle anything you throw at it.

    I think it may have been the reinforcing plate that created the stress point where the blade failed, but you guys can look at the photos and judge for yourself. There may appear to be metal shavings on the tang, but that's just carpet lint from my truck.

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

    Untitled by senorsquare, on Flickr

    I am sure it took quite a bit of force to break it, but the good thing is the handles held up and didn't break apart before the blade snapped, and that's what is supposed to happen....

    Looks like the HT is excellent as it snapped clean and I don't see any of the grain so that's good.

    All positive on Spyderco's part.

  13. #33
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    My condolences. When I read "firewood" I knew where this was going. Maybe they will make another one for you.

    If anything, it is the small holes in the blade and/or the notch at the base of the lock recess that acted as a stress concentration.

    I have seen 1095 blades hammered through a log that bent in the middle during the process, then straightened when removed. That is the advantage of carbon steel over stainless steel. At the point where the stress concentration would initiate a fracture in stainless steel, the carbon steel just yields a little bit and stays together.

  14. #34
    Spyderco Forum Registered User Ankerson's Avatar
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    Quote Originally Posted by bdblue View Post
    My condolences. When I read "firewood" I knew where this was going. Maybe they will make another one for you.

    If anything, it is the small holes in the blade and/or the notch at the base of the lock recess that acted as a stress concentration.

    I have seen 1095 blades hammered through a log that bent in the middle during the process, then straightened when removed. That is the advantage of carbon steel over stainless steel. At the point where the stress concentration would initiate a fracture in stainless steel, the carbon steel just yields a little bit and stays together.

    1095 at 62-63 RC isn't going to bend very much before it snaps..... Given the same geometry...

    Now yeah at 55-59 RC with a spring temper yeah it will bend more before it breaks.... But it will still break, it will just take longer....

    1095 with a Differential Heat Treatment like the ABS guys do it will bend a lot more, but the edge will crack because it's a lot harder than the spine...

  15. #35
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    Ouch! At least it was just a $100 knife instead of say, a PM2 in CF / CPM 154 clad S90V @ $400 or more . I'm glad you didn't have any small sharp pieces come flying at you, my fear when applying stress to a sharp blade.

    I guess that's why ESEE's knives tend to be 1095, hardened at 55-59, since they are targeted as survival type knives. Plus they have stated they prefer a steel that is *not* too hard to be able to sharpen it on whatever rock you may find - fits their market (and I have dozens of ESEE's too, they just fit a different niche for me). That's not saying their 1095 knives can't be broken also, I've seen some that were broken while trying to baton firewood - hit a knot or the grain twisted the knife or whatever.

    I just received my 2nd S110V Manix in the mail yesterday. While I won't try to *twist* or pry too hard with them, I will use them to cut shavings off for fire prep, they have worked well for me in that regard so far.
    Which Knife, A or B? get Both! (and C, D and E)

  16. #36
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    Senorsquare- awesome postmortem photos. Was passing on this nice knife but may need to reconsider. Now that the destructive hard use test is done, waiting for Jim's wear test.

  17. #37
    Spyderco Forum Registered User SolidState's Avatar
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    This is my favorite thread of the year so far.
    "Nothing is so fatal to the progress of the human mind as to suppose that our views of science are ultimate; that there are no mysteries in nature; that our triumphs are complete, and that there are no new worlds to conquer."
    Sir Humphry Davy

  18. #38
    Spyderco Forum Registered User Fresh Eddie Fresh's Avatar
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    Even sadder when you see the date stamp on the blade... just a baby! I'm sorry your knife got ruined, but I am glad it is replaceable, and no one got hurt.

    The last thing I used S110V for was scraping my resident parking permit sticker out of the bottom corner of my car's back window. Spyderco Forum knife seemed like a good choice!

  19. #39
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    Quote Originally Posted by SolidState View Post
    This is my favorite thread of the year so far.
    I predict a rash of "disastrous knife failure" posts to follow all beginning with the classic line "Here, hold my beer and watch this!".

  20. #40
    Spyderco Forum Registered User
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    Hola Senor,

    Perhaps you can send it to me and let us check it out?

    sal

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