| CLOCK | ELAPSED | EVENT | AIR | CHARCOAL | ORE | ||||||
| UNIT | COUNT | TOTAL | UNIT | COUNT | TOTAL | ||||||
| gage | LpM | P | bucket | kg | scoop | kg | |||||
| 1.85 | note | ||||||||||
| 12:00 | start wood splints pre-heat | ||||||||||
| 13:10 | 1:10 | gentle air applied | *400* | ||||||||
| 13:18 | 1:18 | full with rough charcoal | 90 ? | 740 ? | 4 | 4 | 4 | 7.40 | |||
| 13:35 | :17 | 1 | 5 | 9.25 | |||||||
| 13:48 | :13 | 1 | 6 | 11.10 | |||||||
| 14:02 | :14 | 1 | 7 | 12.95 | |||||||
| 14:03 | first ore addition - Virginia Rock | ||||||||||
| 14:15 | :13 | 1 | 8 | 14.80 | 4 | 4 | 1.1 | ||||
| 14:30 | 0:15 | 1 | 9 | 16.65 | 4 | 8 | 2.2 | ||||
| 14:43 | 0:13 | temp reading at 2575 F ? | 1 | 10 | 18.50 | 4 | 12 | 3.3 | |||
| 15:08 ? | missed measurement? | 77 | 625 | 1 | 11 | 20.35 | 8 | 20 | 5.5 | ||
| 15:18 | 0:10 ? | adjust air | 1 | 12 | 22.20 | 4 | 24 | 6.6 | |||
| 15:31 | 0:13 | 1 | 13 | 24.05 | 4 | 28 | 7.7 | ||||
| 15:42 | 0:11 | mixed 1 rock / 3 taconite | 1 | 14 | 25.90 | 4 | 32 | 9.17 | |||
| 15:55 | 0:13 | 1 | 15 | 27.75 | 4 | 36 | 10.64 | ||||
| 16:10 | 0:15 | 1 | 16 | 29.60 | 4 | 40 | 12.11 | ||||
| 16:23 | 0:13 | all taconite | 1 | 17 | 31.45 | 2 | 42 | 12.91 | |||
| switch to insert tuyere @ - 10 | full' | ||||||||||
| 16:31 | heat recovery | 1 | 18 | 33.30 | |||||||
| 16:49 | 0:18 | 1 | 19 | 35.15 | 2 | 44 | 13.71 | ||||
| 17:01 | 0:12 | 1 | 20 | 37.00 | 4 | 48 | 15.31 | ||||
| 17:14 | 0:13 | 1 | 21 | 38.85 | 4 | 52 | 16.91 | ||||
| 17:28 | 0:14 | 1 | 22 | 40.70 | 4 | 56 | 18.51 | ||||
| 17:43 | 0:15 | 1 | 23 | 42.55 | 4 | 60 | 20.11 | ||||
| 17:58 | 0:15 | 1 | 24 | 44.40 | 4 | 64 | 21.71 | ||||
| 18:10 | 0:12 | 1 | 25 | 46.25 | 3 | 67 | 22.91 | ||||
| NOTE | Virginia Rock (poor) per scoop | 275 | gm | ||||||||
| Taconite per scoop | 400 | gm | |||||||||
| Total TIME (less burn down) | 6 1/2 | hours | |||||||||
| Total CHARCOAL | 46 | kg | |||||||||
| Total ORE | 23 | kg | |||||||||
| Total BLOOM | 4.9 | kg | |||||||||
| Total Yield | 18 | % |