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WildCelticRose posted a topic in Equipment Use and RepairUgh, just UGH! I had a huge load to fire for a very important community project. Using a Cone 4-6 stoneware and Cone 4-6 glaze. Normally I fire to cone 5 and let it soak for 5 minutes. The kiln was almost to temp when I left for work this morning. (yes, I know, never leave a kiln, but I couldn't be late to work and the basement is all concrete and it was supposedly almost done) It should have been cool and ready to unload when I got home. instead, at the top of the stairs, I heard it. "cu-lick" "Rats. I thought to myself, I must have a rat in the basement, I would LOVE to have a rant in my basement because if that's not what it was... CU-LICK." Yes, my 10.5 hour firing went 20 hours. It appeared to be stuck at 2112 degrees. All three segment lights were lit. I don't know if a relay went out, if an element broke or what, but it appears to not have reached cone and just held shy of cone 5 for 9+ hours. What's killing me right now is wondering how bad it is inside. Are the pieces ruined, stuck to the shelf or in a gooey puddle at the bottom (that's probably not likely) This was the ONE time I didn't use witness cones because the thing was jammed so full I didn't have the space. The thing is still WAY too hot to consider even taking a quick peek. For the next several hours, I have nothing to do but obsess because this was a VERY important load (yeah, because that's how it happens) If in fact they aren't ruined and I can get them out by 4:00 AM, there is hope. So let's play a game... So Brain Trust. If in fact this was a 9 hour soak below the cone I was firing to, how bad is it likely to be?
Hi all, I haven't been able to find any firing instructions for my old AIM kiln. Even the folks at AIM said they didn't have any . So I'm left with power dials that go from 1 to 10, and no idea how that translates into temperature. I'd like to be able to test this kiln without spending money on a temperature gauge/controller only to discover that what I really need is a new kiln. I have a bunch of different low fire cones, and was thinking of using them as a visual guide for reaching temperatures, but the more I think about it the more I imagine endless permutations of dial-adjustments matched to cone-slumps and time-monitoring. Am I crazy to think I could do a ramp/soak firing without having even a temperature gauge? Thanks, Matt