Eliza McInnes on wed 7 may 03
I have been making double walled bowls since the beginning of the year and
have received and order for a set of three, the largest being 400mm across
the top and 250mm in hight.
I have made a couple with ten kg of E W clay thrown upsidedown, the only
problem is they have cracked in a very slow firing to ^05.
They were fully dried and I tried firing upsidedown
The crack looks like a dunt you know the ones that spiral around, yet I
unpacked the kiln cold,
is it because of uneven wall thickness, the hole in the base being too small
I just used a needle, I need to rethink the clay body, I need to dry them
slower or have i stressed the clay out in the closing off or is it somthing
else?
I just dont know
any help would be greatly appreciated.
Eliza
Sydney
Australia
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