Craig Clark on wed 16 nov 05
Malcolm Schosha wrote:
>I have spoken to many potters who have thrown off the hump. It was those very potters who said that S-cracks are unavoidably high when throwing off the hump. My own low opinion of the technique is based more on the observably sloppy quality.
>
>
Malcom, I throw almost all of my "little" bowls off the hump. I
can't remember the last time I had any s-cracking problems. My pots are
tight....clean undisturbed line. That is what I do and teach. The only
time I have had any difficulty with S-cracks was when I left water in
the bottom of a bottle or failed to apply a compressive force to the
base of the piece after the intial opening.
A tip that I picked up at a workshop was to just leave a goodly
amount of clay under the pot that is coming off the hump if you want to
minimize distortion. This additional "bottom" my then be trimmed into
some really nice foot-rings.
As to sloppy quality, I wonder how you define this. Are you talking
about the movement that you see in the pots of many of the worlds great
masters from Japan, Korea and China, where I believe throwing off the
hump is quite common. I'm really curious about this as it dovetails so
nicely with the loose/tight/sloopy thread that recently ran on the board.
Craig Dunn Clark
619 East 11 1/2 st
Houston, Texas 77008
(713)861-2083
mudman@hal-pc.org
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