Kazegama Workshop 05-05-2018

El Dorado High School ceramics teacher Jeff Picou and his students .

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Jeff Picou introducing wood ash into blower burners.

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Jeff Picou

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Jeff Picou

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Jeff Picou

 

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Jeff Picou

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Shinos, shinos and more shinos…

Here are 72 shinos from 100 shino tests performed years ago and updated to this page.

72 Shinos

steve davis carbon trap orange-b malcolm davis carbon trap-c tom coleman crab claw-c

 

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Kazegama Workshop 3-17-2018

Great workshop with great folks and great results at Aardvark Clay & Supplies.

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Alex Vergara  –   3-3-3-1 Flashing Slip on porcelain.

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Mark Hendrickson   –   Smooth Orange Flashing Slip and black stain.

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Kaz Ota  –   Side fired vase on sintered ash. 3-3-3-1 Flashing Slip on Soldate 60.

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Kaz Ota  –   Side fired vase on sintered ash. 3-3-3-1 Flashing Slip on Soldate 60.

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Kaz Ota   –   3-3-3-1 Flashing Slip on Bee Mix.

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Kaz Ota   –   3-3-3-1 Flashing Slip on Bee Mix.

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Kaz Ota   –   3-3-3-1 Flashing Slip on Bee Mix.

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Kaz Ota   –   3-3-3-1 Flashing Slip on Bee Mix + Sand.

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Kaz Ota   –   3-3-3-1 Flashing Slip on Bee Mix + Sand.

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Claudia Callis  –  3-3-3-1 Flashing Slip on Woodfire.

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Claudia Callis  –  3-3-3-1 Flashing Slip on Black Mountain.

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Dorothee Morse   –   3-3-3-1 Flashing Slip on Porcelain.

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Dorothee Morse   –   3-3-3-1 Flashing Slip on Porcelain.

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Dorothee Morse   –   3-3-3-1 Flashing Slip on Woodfire.

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Dorothee Morse   –   3-3-3-1 Flashing Slip on Porcelain.

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Steve Davis   –   Smooth Orange Flashing Slip on Sonora White Sculpture.

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Steve Davis   –   Van Gilder Yellow to Gold Flashing Slip on Sonora White Sculpture with wedged in decomposed granite.

 

 

 

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Komakigama

When I was 17 years old, way back in 1974, my first introduction to ceramics were Shigaraki jars that were wood-fired and made with clays ladened with decomposed granite.  Read more here..

 

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The Deep Stillness of a Raku Tea Bowl | Nippon.com

Black Raku chawan, or tea bowls, are currently gaining global attention. The founder of the Raku family of potters created this implement at the request of Sen no Rikyū, who elevated the Japanese tea ceremony to entirely new levels of refinement. What is the allure of these tea bowls that crosses national borders? We asked Raku Kichizaemon XV, the current head of the Raku family, about their appeal.

Source: The Deep Stillness of a Raku Tea Bowl | Nippon.com

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Kazegama Workshop – Oct. 15, 2016

Kaz Ota introducing lemon wood ash from an Akagama wood firing and Jamie Boran blowing out the burners and ports at Aardvark Clay & Supplies. Continue reading

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Micro Mondays: Crystals of Color | NCECA Blog

Have you ever wondered what causes “flashing” colors on bare clay in atmospheric (e.g. wood, salt or soda) firings?

Source: Micro Mondays: Crystals of Color | NCECA Blog

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Kazegama rebuild test firing

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Source: Kazegama Inc.

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Pots from Feb 3 2016 Stanford Kazegama firing

http://firemouse.me/stanford-kazegama-february-3-2016/

Firing was 6 hours in neutral/oxidation to reach cone 9, then ash introduced gradually over the course of a 3 hour reduction soak dropping cones 10/11.  Firing ended with a 3 hour reduction cool down to about 1850F.

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A more gradual introduction of ash…

20160202_155429_resizedYesterday we fired the Stanford kazegama again and tried a new method of introducing the ash.  Previously we fed the ash into the intake of our large combustion blower, following Steve’s original method, and this worked well except that many pots ended up with unfortunate clods of unmelted ash.  In the above photo you can see a metal sealed can with a red rubber hose and larger diameter steel-mesh hose attached to the lid (the upside-down white plastic bucket isn’t doing anything).  We put ash into the metal can, blow compressed air in through the red hose, and allow a well-dispersed stream of ash to enter the burner through the metal hose.  The can is loaded only half-full with ash, and we didn’t screen the ash ahead of time.  Some shaking of the can is necessary but the ash goes in gradually (we put in about a gallon over the course of about two hours) and without clods.  Larger pieces of “sintered ash” get left in the bottom of the can, and probably help stir up the finer ash when shakin.  You could do the same thing with any sealed container with bulkhead connectors.  The can we use has 1/4″ NPT fittings.

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