For anyone interested here's the firing log for the anagama firing last week
Anagama Firing with Shozo Michikawa at Higham Hall
19th - 22nd July 2010
9.30am Monday. Light fire in ash pit, smokey,
1 10.30am flames being drawn up into kiln, place some wood into
fire box but continue stoking in ash pit.
2 11.30 some smoke from chimney, strong flames in fire mouth, cease
stoking in ash pit. Mix of pine and hardwood
3 12.30pm 490°C Pyrometer now working! Rake out ashes, reduce mouth
of ash pit to increase draft.
4 13.30pm 600℃ Raining
8 17.30 880℃ Still raining
9 18.30 970℃ Breeze blowing directly into the fire box
10 19.3 960°C Everyone present for the first reduction - lots of wood into the
kiln and then close the door over the fire mouth to decrease
oxygen in the kiln. Lots of smoke and dark red horns of flame
from the spy holes over the ware chamber.
11 20.30 990℃ Bit of a party going
13 22.30 1000°C Darkness falls, stoking mostly pine, some hardwood
23.55 1020℃
15 00.30 1005℃ Drop in temp after big stoke
16 1.30am 1040℃ Tuesday, first chimney flame visible.
17 2.30am 1050℃ Much quieter now
18 3.30 1065℃
19 4.30 1080℃
20 5.30 1090℃
22 7.30 1100℃
24 9.30 1120℃
30 15.30 1130℃
33 18.30 1120℃ Sushi interlude
34 19.30 1140℃
38 23.30 1140℃ Pizza. Stoking little and often
39 00.30 1160℃ Wednesday
41 02.30 1160℃ Deep roaring in body of kiln, good chimney flame
42 03.30 1160℃ Running low on wood, heavy stoking to maximize reduction
04.00 Last massive stoke
04.15 Final stoke, one piece of wood each, close dampers fully, clam
up ash pit.
43 04.30 End of firing, daylight.
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