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Setup. 14in diameter strip slab fused. Set kiln side down, place a circle of clear, build another strip slab design on top. Fuse to 1600, no hold, 900 for 1.5 hours, 100 to 700 ect. I have a 5/8 in x 14 slab set over a 10in hole in the shelf. Fire at 300 dph to 1250 and stop at desired depth. This s...

First time trying a drop out. I have a 15 in x1/2 disk over a 8in hole. Any suggestions for a firing schedule. I’ll be watching the drop to stop at 8in.

I had to shrink the photos to get them down to the permitted size. Brad, all previous firings in the same mold height ect. Worked. Everything is the same state that previously slumped properly. Thats the mystery. The shelf placement, mold, schedule all worked before. In this kiln I’ve fired dozens o...

Trying tp post photos[

The mold was a shallow bowl 18x3 bullseye. For some unknown reason I cannot post a pic to this site. The inside edges of the cracks are not that sharp, the side facing the mold has sharp edges. It did not crack at element lines but across all.

Got an Olympicgf314etlc last July. All my firings went fine fuse,slump,melts. A couple months ago using the same slumping schedule I always use. 300 to 1200 hold 20 afap to 900 hold 60 100 to 700 no hold afap to room temp. The piece cracked on heatup ( edges were not sharp) from edge to edge in the ...

Thanks Brad. That explains my problem.

Does anyone know if firing multiple times (5-7) at 1600 and higher makes the glass unstable?

thank you!

My current set up is a 240 volt line with 2 30 amp fuses. I guess that means the circuit is 60 amps. My new Olympic calls for a 45 amp. fuse. My question is can I safely run the new kiln on the 60 amp or do I need to install a 45amp fuse? Thanks in advance for any help.

Guess I dont know how to attach a pic. Back to the drawing board

Hope you enjoy

My 2 cents. The glass facing the shelf will stay the way you made it, It does what you tell it to do. The glass facing the inside of the kiln will do what it wants to. As different colors melt at slightly different temperatures the glass "moves" as it melts. One color moving over another c...