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Everything posted by C.Banks

  1. That eutectic calculator looks very interesting. I can see how it would make some results easier to understand in conjunction with a UMF chart. Maybe with enough information even a somewhat dim bulb can get the bigger picture. I always like the idea that a gazillion monkeys could write Shakespeare too.
  2. Daniel De Montmollin's work is only fairly recently getting the credit it deserves. This being said ..."melting diagrams ... are not easy to find and hard to understand for the layman (aka potter)." https://wiki.glazy.org/t/the-practice-of-stoneware-glazes-d-de-montmollin/860 iirc the chart designed by Ray Thomas Stull was also originally intended for ^11 but does indeed have value for mid range glazes. The folks working to incorporate the two are waay more technically orientated than me but I imagine there is useful overlaps between stull charts, fuse diagrams and cone 6 limit
  3. Some folks trying to herd squirrels over at glazy: https://glazy.org/posts/166279 https://glazy.org/posts/110706 Eutectics make my head spin a bit
  4. Artisan or artisanal will, for most, still represent work made through traditional means. In this regard functional potters, for me, are still ceramic artisans. Strictly decorative work made by artisans is, in my mind, not exclusively artisanal. *please excuse the after the fact edit What I wanted to express is that artisanal work is not exclusively decorative.
  5. One of my favorite recipes is taken from John Brit's high fire book. It has gone through at least 6 versions over the last 4 years. The only thing that remains iirc is the amount of calcium. Despite extensively reworking the glaze to suit my liking I will continue to credit the source. Someone let me carry on the work and it feels right to admit as much, no matter how distant the outcome.
  6. Science for Potters - Linda Bloomfield Ceramic Glazes Cullen - W. Parmelee A Handbook to Pottery Glazes - David Green Cushing’s Handbook - Val Cushing As for calculation software, Digitalfire's Insight is ok but doesn't plot results on the Stull Chart. It requires a subscription. Hyperglaze is ok too and will plot glazes on the Stull Chart. It runs best on a Mac though. Richard Burkett is offering it free during this %^#*@ pandemic. Glazy.org has become an online cornerstone along with the Digitalfire refernce library. The software at Glazy is well put together an
  7. Linking or 'pig-tailing' tanks from what I understand essentially increases the total volume and as a result does indeed prevent loss of gas pressure due to low volume frost build up.
  8. For me it's a matter of authenticity. It's unfortunate that the idea of race has persisted as a means of identifying what should, for my liking, be more accurately described as ethnicities. I'm only very lightly familiar with how the term 'race' has come into use and how the term, for a lot of people, is troublesome. It's also unfortunate and most likely an unpopular opinion that, in echo chambers, ideas that challenge the comfortable positions are likely to be ... misunderstood. I find it absolutely true that a pedigree is necessary to promote work as authentic. I also agr
  9. If you are looking for book recommendations Natural Glazes: Collecting and Making by Miranda Forrest is one of the best out there, at least for glazes.
  10. Again, I appreciate what you are trying to say but, for me, a chawan must be considered in a much larger context than a soap-dish. I can see why it's tempting to separate the idea of a chawan and it's form but it seems to me the idea of a chawan is very much tied to the ceremony the form is designed for. If, as you suggest, someone modifies an idea of a soap-dish the idea, for me, fundamentally changes. The authentic soap-dish becomes a dish that holds soap. I very much wish JBaymore could chime in here and set us all straight. He had a way of bringing clarity to a post. He is a
  11. With all due respect a sponge holder holds very little, if any, cultural significance but I appreciate what you are trying to say.
  12. Stoneware is typically high fire clay so significantly hotter than earthenware. People fire to stoneware temperatures in electric kilns but the drawbacks are sometimes difficult to justify for most.
  13. "Plastic fritware bodies are most easily made by simply replacing the feldspar with a high sodium frit. Near zero porosity can be achieved around cone 04-03 ... if more frit that can be tolerated even lower maturing temperatures are possible (to an extreme where more more than 90% is frit and the body is vitreous at cone 020." fritware
  14. This discussion reminds me of an old clayarts thread. The thread references Soetsu Yanagi and the romantic/idealistic notion of mingei. Without getting into my distaste for the flippant use of terms like wabi-sabi the work of folks like Warren Mackenzie inspire a more humble approach to self promotion that unfortunately is sometimes at odds with the 'new-age' internet business model. The influence of Soetsu Yanagis collection of essays: The Unknown Craftsman: A Japanese Insight Into Beauty seems to be slowly fading away unfortunately. We live in a vastly different world today wh
  15. I always thought this: looked like a lot of fun.
  16. I have a bucket of glaze that used to smell like sulfur I added some drops of tea tree oil and it's better this year. The smell was pretty the same as an old bucket of clay. I've used a bit of bleach in my reclaim if it starts to get a bit swampy. Tea tree smells better.
  17. Gas Kiln Conversion - Downdraft The design works for S.M. Boris Robinson
  18. Not so sure about that. That bowl will never be made again same as you can never step into the same river twice. It's a personal thing. I tend to challenge blanket statements. most of the time I just lurk and move on
  19. Ask Jon Singer about a red tenmoku he saw once and afaik was never able to replicate. I could tell you my own stories of chasing rabbits. I hesitate to compare my experience to someone like Jon Singer but we have a stubborn streak - and a similar story of a glaze that seems a bit of a harlot. There are sometimes just too many variables out of our control. It's a nice thought though - keeps us hopeful.
  20. Stoneware is not just a beginner clay. Many professional potters have made a living strictly using stoneware clays. Porcelaneous clays like laguna bmix or plainsman 570 require some intermediate skill but they are generally friendly to 'strangers'. Porcelains require more coddling and are generally unfriendly and much more expensive.
  21. The issues of glaze durability and 'food safety' are a bit of a kettle of fish. A glaze breaking down after one dishwasher run something I'd be worried about too. I certainly wouldn't promote the surface as durable. If your glaze firing went as recommended by the supplier I'd be disappointed as I imagine you are as well. The long answer is quite long. Digitalfire and Glazy are good places to start. They will be intimidating if you are unfamiliar with some of the language. Ultimately dishwashers are notoriously hard on ceramics. The temperature changes, detergent and alkali
  22. You should share pictures if it's ok. I enjoy living vicariously through other peoples kilns.
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