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About locutus

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  • Birthday 03/31/1944

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  • Location
    High up in the Rockies
  • Interests
    darn near everything
  1. New Guy, Strange Question

    Thank you all very much. I think this project will go on the back burner for the time being, at least. I've already learned a lot from the nice folks here, and I've barely scratched the surface.
  2. New Guy, Strange Question

    Wow. Lots of expertise here! I would never have considered dry pressing! Makes sense though. Presure creates heat.
  3. New Guy, Strange Question

    I clean my "Crock Sticks" with an old toothbrush and Barkeeper's friend. Seems to work well. I don't use them very much though. Mostly use Japanese waterstones and J-Nats.
  4. New Guy, Strange Question

    That's an interesting bit of history, Peter! I will try to re-do my little experiment with porcelain. (Probably the next time my wife breaks something in the kitchen ) IIRC, my mother didn't make any porcelain pieces. I never really questioned it, but I guess her kiln wasn't up to it. Her best friend worked in porcelain alomost exclusively, and I do remember mom talking about the possibility of "getting the stuff" needed to work in porcelain. It's amazing how much there is to learn about little everyday things that we take for granted. A whole new world opens up when you dig just a little below the surface of almost anything.!
  5. New Guy, Strange Question

    You're probavbly right, Peter. The way this got started, 25-30 years ago a power company lineman found that he could sharpen his pocket knife with a broken ceramic insulator he found along the line. He mentioned it to some friends that were intrigued with the idea and started experimenting. Shortly thereafter, Lansky "Crock Sticks" were born. I have sharpened a small fixed blade knife on the bottom of a coffee mug. (The unglazed ring) It was a lot of work, and the results were rather crude, but it would cut fairly well. This is intriguing to me. I wish that I still had all of my mother's old equipment to experiment with.
  6. Good morning, ladies and gentlemen. I am a knife sharpener. As many of you probably know, ceramic "stones" and rods are used in knife sharpening. Have you ever made one? The most popular ceramic sharpeners are made by Lansky, the "Crock Sticks," and Spyderco, the "Sharpmaker." These are quite expensive. My mother had a kiln and dozens of molds 40 years ago, and was very much "into" the cermics hobby. It occurred to me that anyone with a kiln and knowledge could make these devices. I have read that the clay used to make the slip is "Zirconia." I would appreciate a buit of your expertise here. Cuold any ceramic hobbyist make these sharpeners? Is the Zirconia difficult to obtain? These are unglazed, and the sharpening ability is controlled by surface texture, rather than grit size as would be the case with corborundum. I assume the surface texture of an unglazed cersmic is controlled by the preparation of the green ware, but I could be mistaken here. Thank you in advance for any information.