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Pieter-Paul Derks

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Posts posted by Pieter-Paul Derks

  1. I always appreciate seeing your progress Joshua,


    I like the shape of these palm daggers, sadly they are very illegal where I live so making one would be a bit of a waste.


    What kind of surface grinder do you use? I'm weighing my options for one in the future.

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  2. Is there any benefit to making a titanium hammer? except for the coolness factor of course.


    I used to forge titanium bottle openers and it was a real effort to stay within the working range, too cold be even a slight bit and it would just stop moving under the hammer.

  3. I like it, a good kitchen knife with consideration for the user, exactly where custom knifemaking shines.


    It makes me wonder how many knives I've made, I never kept track.

    I know it is a lot less than a hundred, but I might be the slowest knifemaker in the world, with only 6 or 7 pieces each year.

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  4. When I did some of these broken back sheaths, I found that carving a groove inside the leather at the spine of the knife helps with shaping it.

    I use a gouge from the ''break'' to the tip to make the leather a little thinner in that localized spot.

    I have no idea if this was done historically. 


    With a wet formed sheath I coat the knife in vaseline and shrink wrap, a little bit of extra protection against rust.


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  5. 23 hours ago, Joshua States said:

    I'm not understanding this completely,
    Do you cut the pin in half after doming in the drill press?

    Or is it that there are two pins, and they overlap inside the handle somehow?


    Oh no maybe I'm not the best at explaining :wacko: The pin head is the same diameter as the pin hole, it is not peened or enlarged. 

    Essentially just a rod pushed through the handle with nicely finished ends.

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  6. 13 hours ago, Joshua States said:


    You are obviously onto something there. I could never get the domes right, doing them off the handle. I tried making one of those little blocks to dome one head and just glue the pin in. I failed and changed to this method.



    I hope to not highjack your thread, but I do these domed pins a bit differently, what I think is an easy ''cheat'' method.

    Obviously this doesn't work in situations where the pin needs to put clamping force, like in razor scales for instance.


    I use pin stock of the diameter I want the final head , carefully measure the thickness of the handle plus one time the diameter of the pin stock.

    I just chuck it in a drill  and dome and polish both ends. When I epoxy everthing together I coat the domed pin ends and the handle in grease so the epoxy doesn't stick.

    The hardest part is getting the pin centered with epoxy everywhere. 


    Not the best picture, but this is a bronze pin with this method, I chamfered the hole for a bit of a heirloom fit as well.

    WhatsApp Image 2023-09-11 at 5.15.50 PM.jpeg

  7. In my blown burner the gas is pumped straight into a 1/4 inch tube connected at a right angle to the air line, no mig tis or anything. I have a needle valve in the line but I don't use it, between the regulator on the tank and a gate valve on the air I get all the control that I need. My forge is not a ribbon burner, just a straight pipe, dirt simple and works great.



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