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Rockhopper posted a topic in Studio Operations and Making WorkI'm sure there are other threads about this, but have not figured out the right combination of words to find them via the forum's search engine.... In a glaze firing (electric / cone 6 / stoneware): How much space should there be between the top of a pot, and the under side of the next shelf above it. Obviously, I don't want the pots to touch the shelf, lest they wind up fused to it - but what is a safe minimum. If all of my posts are in two-inch increments (obviously, I need to get some shorter posts - but until I do... ) am I safe leaving minimal (1/8") space - or should I add another two inches ?
I think most people like to be as efficient as possible to maximize the output of kiln firings, whether that is energy-consciousness or simply good economics. At school where project sizes vary greatly, once the glaze shelves are full it is a pretty good indication that there is enough material to have a full load. On the personal, private studio scene, that probably works pretty well...but I find myself taking better notes on just how many pieces of a certain size equal a full shelf. That information often guides just what I am making, long before I get to the glaze firing...for example, I know that 8 mugs of a certain size make one full shelf (see below) so I tend to make mugs in batches of eight. So, how much advance planning do you do before loading your glaze kiln? Do you use the full-shelves method? Do you plan your making/production based upon some formula from previous experience based on your kiln capacity? Is the process random? What kind of planning falls into the "best practice" category?