clennell on sun 20 nov 05
Sour Cherry Pottery
> Ivor and Olive Lewis wrote:
>> I am sure you would never commence a firing using wet wood. I am
>> equally sure you know the best time to introduce that resource in your
>> firing program.
Ivor: i have added dry wood in the preheat and cracked pots in the
firemouth and I have added green wood for a slow start and found the coal
build up so badly that I couldn't burn them down and had to resort to
shoveling coals out of the firebox. A dirty hot job and a complete waste of
valuable time and energy. You pyroweenies have me thinking about what I do
naturally and without scientific method. I mix dry and green in the
beginning and now at the end. In the beginning so the kiln doesn't blast off
and in the end because it seems to be getting the back of the kiln hotter
faster and in fact has provided the blast off. So what my theory is in a
sense is that green wood provents a blast off early in the firing and gives
a blast off in the final hot stages of a firing.
Getting this whole experience down to my boy scout IQ am I correct in
thinking- That like Bruce's sauna theory which I like and understand if you
are providing dry wood along with the green wood at temperatures over 1100C
the steam transfers the heat from the coals to the pot chamber and the new
dry wood provides more coals to keep the firebox (sauna furnace) hot.
Talk down to me will ya. You won't hurt my feelings. My kids told me I
always got grumpy when science fair time came along and I whistled in the
shower when it was time for public speaking.
You have all been amazing on this topic but you're making my brain hurt.
Cheers,
Tony
P.S Welcome back to the man with the ceramic brain- I missed you Ivor.
Tony and Sheila Clennell
Sour Cherry Pottery
4545 King Street
Beamsville, Ontario
CANADA L0R 1B1
http://www.sourcherrypottery.com
http://www.sourcherrypottery.com/current_news/news_letter.html
John Boyd on mon 21 nov 05
Tony,
Yes, as Ronnie would say, "Keep it blue-collar and simple, I'm just worried about getting to temperature!" "I'm locking ya back in your studio and taking away your library priviledges."
You can call the green wood your fire-regulator, or heat modifier. It will keep the dry wood in check as you slowly get to 1100 degrees celcius and then it will become the rocket that gets the ladies to Utah. Hell, call it a slow-ticking Hydrogen bomb and you would not be too far from the mark. Anyway, it looks like you got it down from what you wrote and your reminder that good teachers meet their students where they are is a bonus. Pete Pinnell said it in Clay Times, "All this tech stuff is great if it is kept simple and in a way that helps my students make better work...That doesn't mean I'm talking down to them...I'm meeting them where they are because I want them to get the idea."
JB
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Lee Love on tue 22 nov 05
On 2005/11/21 23:45:16, pyrochromatic88@yahoo.comwrote:
>Pete Pinnell said it in Clay Times,
> "All this tech stuff is great if it is kept simple and in a way that
helps my students make better work...That
> doesn't mean I'm talking down to them...I'm meeting them where they
are because I want them to get the >idea."
Pete's da Man! Wendell Berry explains in "Standing By Words", that you
really don't know something unless you can explain it to an average
person. Your knowledge only become "culture" when you communicate it.
Berry also says that jargon is simply a way that the "High Priests"
protect their power and position. Technocrats are our time's HP.
--
李 Lee Love 大
愛 鱗
in Mashiko, Japan http://mashiko.org
http://seisokuro.blogspot.com/ My Photo Logs
http://ikiru.blogspot.com/ Zen and Craft
"The way we are, we are members of each other. All of us. Everything.
The difference ain't in who is a member and who is not, but in who knows
it and who don't."
--Burley Coulter (Wendell Berry)
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