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EVENT |
Date |
19-Oct-24 |
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Description |
Artfire One |
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Goal |
test of local ore |
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Team |
George Caroll |
lead |
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George |
extract |
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Darrell Markewitz |
assist |
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Darrell |
measures |
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Todd Patton |
ore |
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Stephanie Logan |
build |
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Darrell |
records |
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Darrell / George |
photos |
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FURNACE |
Type |
medium shaft on plinth |
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Material |
manure cobb / block |
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Walls |
(base / top) |
5 |
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OD |
(base / top) |
39 |
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ID |
(base / top) |
29 |
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at tuyere |
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29 |
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Height |
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86 |
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Stack |
(tuyere to top) |
43 |
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Base |
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12 |
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Plinth |
concrete block |
18 |
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Packing |
small charcoal |
Y |
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Tuyere |
tapered 6 mm |
copper |
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ID |
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NR |
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Mounted |
(type) |
insert |
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Angle |
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22.5 |
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Distance |
(gap / proud) |
5 |
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Air System |
electric 'bouncy castle' |
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Extraction |
bottom |
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| MATERIALS |
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Ore 1 |
artisian well seep (bog ore?) |
(% Fe) |
?? |
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Charcoal |
unknown (oak) pine for rough |
1.73 |
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| CLOCK |
ELAPSED |
BURN |
EVENT |
AIR |
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CHARCOAL |
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ORE |
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min/kg |
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UNIT |
COUNT |
TOTAL |
Unit |
TOTAL |
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pressure |
LpM |
bucket |
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kg |
kg |
kg |
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psi |
?? |
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1.73 |
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time distorted, real
start about 11 AM |
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| 1600 |
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start wood splints pre-heat |
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| 1730 |
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set tuyere |
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| 1800 |
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first rough pine / gentle air |
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| 1805 |
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fill with rough pine |
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6 |
6 |
? |
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| 1820 |
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first graded / oak |
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1 |
7 |
1.73 |
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| 1832 |
12 |
7 |
probed to settle |
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2 |
9 |
3.46 |
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| 1857 |
25 |
14 |
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1 |
10 |
5.19 |
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| 1902 |
5 |
3 |
probed to settle |
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1 |
11 |
6.92 |
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| 1923 |
19 |
11 |
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1 |
12 |
8.65 |
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| 1930 |
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air increase |
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| 1938 |
15 |
9 |
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1 |
13 |
10.38 |
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| 1945 |
17 |
10 |
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1 |
14 |
12.11 |
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| 1950 |
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first ore addition |
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| 1958 |
13 |
8 |
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1 |
15 |
13.84 |
1 |
1 |
| *1237* |
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increase air (real time) |
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14 |
15.57 |
2 |
3 |
| *1241* |
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time point error |
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1 |
15 |
17.30 |
2 |
5 |
| 2024 |
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return to relative time |
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1 |
16 |
19.03 |
2 |
7 |
| 2035 |
11 |
6 |
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1 |
17 |
20.76 |
2 |
9 |
| 2051 |
16 |
9 |
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1 |
18 |
22.49 |
2 |
11 |
| 2106 |
15 |
9 |
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1 |
19 |
24.22 |
2 |
13 |
| 2121 |
15 |
9 |
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1 |
20 |
25.95 |
2.5 |
15.5 |
| 2138 |
17 |
10 |
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1 |
21 |
27.68 |
2.5 |
18 |
| 2212 |
34 |
20 |
blockages cleared at tuyere |
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1 |
22 |
29.41 |
3 |
21 |
| 2235 |
23 |
13 |
major blockage of tuyere |
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1 |
23 |
31.14 |
2 |
23 |
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dropped slag bowl |
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| 2243 |
8 |
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graded to cover, start burn down? |
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1 |
24 |
30.98 |
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| 2310 |
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stack at 40 / return to charging ore |
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1 |
25 |
32.55 |
2 |
25 |
| 2322 |
12 |
7 |
last ore addition (time error?) |
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1 |
26 |
34.12 |
2 |
27 |
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possible missing addition |
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| 2353 |
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1 |
27 |
35.69 |
2 |
29 |
| *1647* |
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relative time |
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1 |
28 |
37.26 |
2 |
31 |
| 14 |
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start burn down, rough pine to cover |
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| 101 |
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start extraction preparation |
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| TOTALS |
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Charcoal |
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37 + |
kg |
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Ore |
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31 |
kg |
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tap slag added |
0 |
kg |
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gromps added |
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Bloom |
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1.4 + kg white cast / 1.4 bloom pieces |
2.8 |
kg |
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Gromps |
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Yield |
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9 |
% |
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Condition |
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cast in lower (first) slag block |
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Quality |
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bloom in upper (second) slag block |
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(possible 1.4 from 8 / 17.5%) |
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