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December 2006 Issue
#45
Published by
Gary R. Ferguson – Raku Artist
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In This Issue
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In This Issue
* While the Smoke Clears – Holiday Wishes.
* Electric Raku
* A Chemical by Any Other Name is still a ...
* 3 Ways to Check Your Maturity
* More on Two Halves of the Same Pot
* Matte meet Glossy
* Raku Links
* Workshops
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* More on Two Halves of the Same Pot
Red had the following comments on firing pieces with both
crackle and matte glazes:
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Just ideas from my own experiences that might assist Doug,
the artist who mentioned getting two finishes on the same
pot after reduction:
Contact with the combustibles in the reduction chamber can
often produce different results on parts of my pots than
other parts. Some artists seem to enjoy the visual
aftermath of contact with combustibles; I usually do not.
So, there are 2 things I sometimes use, that limit the
contact of the newspaper or combustible with the hot pot.
I have lined the inside of my trashcans with chicken wire
bought at the local hardware store. I then put newspaper
shreds between the chicken wire and the trash can, thus
giving more room for the hot pot and reducing the incidence
of touch between the pot and the combustible. I leave a few
strands of newspaper in the very bottom, which ignites and
catches the newspaper shreds within the chicken
wire on fire.
Also, I often put a hard brick in the bottom of the trash
can to sit the hot pot on. Again, this limits the area of
the pot that comes into contact with anything but the magic
going on in the atmosphere within the trashcan.
Regarding the bubbling effects on half of Doug's pots, is
it possible that the pot is getting too much or too little
contact with the flame within the Raku kiln? I've had
bubbling problems in the Raku kiln due to heat distribution
problems, but not usually on entire halves of pots. I've
also had trouble with glazes bubbling due to mixing and
application, but that doesn't sound like what's happening,
as Doug mentioned half the pot might bubble. So, again, is
the kiln getting the same amount of direct heat from the
Raku fire on both sides of the pot during firing? Is it
the same side of the pots that is always bubbling, i.e. the
side of the pot away from the Raku flame? Maybe a more
experienced reader might know if that is a possibility. I'm
still in the wondrous guessing stage of learning and
greatly appreciate the comments and ideas in your
newsletter.
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