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About lorenzo

  • Rank
    Ten feet tall and bulletproof!
  • Birthday 07/21/1978

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Profile Information

  • Gender
  • Location
    Swift Current, SK
  • Location
    Swift Current, Saskatchewan
  • Interests
    maille and scale, armour and jewelry
  • Occupation
    President/CEO at MailleTec Industries Inc.
  • The year you started making chainmail

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  1. lorenzo


  2. lorenzo


    My preference would be for the 1.25mm unless the wire is very soft, in which case the 1.6mm would hold up better at the cost of extra weight. I scanned the Merriway listings but didn't see the temper of the wire anywhere. It would be prudent to call them looking for more info or just get a small coil of each for testing first. I wouldn't recommend the 8-2 weave with butted galvy rings in any case, 4-1 will get you better results for less work IMO.
  3. lorenzo

    Chinese Mountain Armor

    Right, I won't waste any more time replying to you then.
  4. lorenzo

    tapestry project

    Well done.
  5. lorenzo

    Chinese Mountain Armor

    Seriously? I mean it's a decent looking bit of lamellar, but are you really so egotistical as to believe that you've solved this mystery? Your results barely even resemble the historical records and you have no archaeological evidence. This is nothing more than another guess and not a very good one at that.
  6. lorenzo

    Stitching two pieces of scalemail together

    I see, well TRL and I disagree about the correct ring size for scales. Those scales were designed to work best with approx. 9/32" ID. Using 1/4" rings makes the weave slightly stronger but also much heavier, less flexible, etc. The basic form of the seam should still work but you will need to substitute larger rings in places to keep it from bunching up.
  7. lorenzo

    Stitching two pieces of scalemail together

    Are you using rings from TRL? What's the actual ID of them?
  8. lorenzo

    Making armour from steel washers?

    I just put the numbers into my ring strength calculator, but the basic idea is cross sectional area of the wire multiplied by UTS of the wire. Edit; Actually, it looks like I was wrong too. My calculator was set for square wire, for round wire it's about 215lbs. So just to double check that would be (((0.048i/2)^2)pi)120,000lb/i^2= ~217lb
  9. lorenzo

    Making armour from steel washers?

    You only have to break one, but your math is still off. You're using yield strength of annealed stainless bar stock, you should be using UTS and 120Ksi is typical for commercially available rings and wire. Annealed stainless wire is still usually about 100Ksi. The finer the wire is drawn the higher the baseline numbers will be due to grain refinement of the metal. Typically you'll get a mechanical advantage of about 2:1 for most blades that can penetrate maille armor without breaking, but the majority of modern carry knives or improvised blades will just break or blunt immediately. A good dedicated stabbing weapon would get you about 3:1, say a spear or a dagger. Weapons optimized for armor piercing can push 4:1 but you will never likely see one of those. These mechanical advantages apply against butted rings as well, so it's still going to be about two orders of magnitude or roughly 100x stronger, no matter what. You're also wrong about crack propagation, that doesn't occur unless the wire is very hard, especially with stainless alloys. Also keep in mind that any padding or give to the armor will bleed off a large amount of force. Historical maille armor averaged about 18g to give good protection vs spears and daggers but with modern alloys and welding 20g can be just as strong. In practice 22g is enough to defeat most attacks with a modern knife and most stab resistant armor in use today runs from 21g-24g wire depending on the application.
  10. lorenzo

    Stitching two pieces of scalemail together

    I hear you, I have moderately protanomalus vision myself and it can be a real pain. If you're still having issues I can grab those pieces and mark them up with more vivid colors then reupload for you.
  11. lorenzo

    Stitching two pieces of scalemail together

    Yeah, there are scales added in, they have a silver colored backside rather than the bronze color of the rest of the scales. Similarly the rings used in the seam are brass rather than stainless. Have you downloaded the image so that you can really zoom in on the details? I find the forum gallery software to be substandard for viewing images, which is ironic since that is its only purpose.
  12. lorenzo

    Stitching two pieces of scalemail together

    You should probably just stick with the pattern that I posted. To the best of my knowledge nobody outside of my factory has ever done these seams before. There might be some minor differences since I'm using welded rings with an aspect ratio of ~9 but it should still work I think.
  13. lorenzo

    Making armour from steel washers?

    I just did the math really quick, it should take 275lbs of force to break open a welded 18g stainless ring. That's probably closer to two orders of magnitude more.
  14. lorenzo

    Making armour from steel washers?

    It's safe to say that the welded piece would be an order of magnitude more stab resistant, all other things being equal. As a rule butted mail has very little stab resistance although it's pretty good against slashes.
  15. lorenzo

    Making armour from steel washers?

    I've tested a lot of armor and I have to agree that anything that isn't welded won't be very stab resistant. As far as cost goes, how much is your life worth? I would suggest that you at least call my company and get a quote on a stab resistant shirt. It'll be far better than anything you can make yourself and probably not as expensive as you think. If you do be sure to mention to whoever you speak to that I offered you the highest discount rate.