| EVENT | Date | September 28 / 2025 | ||||||||
| Description | Basic Course | |||||||||
| Goal | training | |||||||||
| Team | Lewis-Philipe Lefebvre | lead | ||||||||
| Lewis-Philipe Lefebvre | extract | |||||||||
| Eric | measures | |||||||||
| Hugh Veilleneve | ore | |||||||||
| Hugh Veilleneve | charcoal | |||||||||
| Lewis-Philipe Lefebvre | tongs | |||||||||
| Eric | hammer | |||||||||
| Hugh Veilleneve | hammer | |||||||||
| Darrell Markewitz | records | |||||||||
| all | photos | |||||||||
| FURNACE | Type | Short Shaft on plinth | ||||||||
| Material | clay / horse / old furnace | |||||||||
| Walls | (base / top) | 5 to 4 | ||||||||
| OD | (base / top) | 34 to 32 | ||||||||
| ID | (base / top) | 24 | ||||||||
| at tuyere | ||||||||||
| Height | 58 | |||||||||
| Stack | (tuyere to top) | 40 | ||||||||
| Base | 18 | |||||||||
| Plinth | (material / height) | 20 | ||||||||
| Packing | charcoal fines | |||||||||
| Tuyere | standard copper | |||||||||
| ID | 2.5 | |||||||||
| Mounted | insert | |||||||||
| Angle | 22 | |||||||||
| Distance | 3.5 | |||||||||
| Air System | standard blower | |||||||||
| Extraction | bottom | |||||||||
| MATERIALS | Ore 1 | DDA analog | (% Fe) | 55% | ||||||
| Ore 2 | (type / weight) | |||||||||
| Tap Slag | (weight) | 3 kg | ||||||||
| Gromps | (weight) | |||||||||
| Charcoal | Tropical' (unknown) | 2.9 kg | 54.114 | |||||||
| Oak | 2.1 kg | 5.3 | ||||||||
| Maple | 1.8 kg | 5 | ||||||||
| CLOCK | ELAPSED | RATE | EVENT | AIR | CHARCOAL | ORE | ||||
| UNIT | COUNT | TOTAL | Unit | TOTAL | ||||||
| pressure | LpM | bucket | kg | kg | kg | |||||
| psi | 2.9 | |||||||||
| 1200 | start wood splints pre-heat | |||||||||
| 61 | ||||||||||
| 1301 | first charcoal (tropical) | 600 | 1 | 1 | 2.90 | |||||
| 1303 | (allow for ignition) | |||||||||
| fill with rough charcoal | 2 | 3 | 8.70 | |||||||
| 1321 | 18 | start graded charcoal | 1 | 4 | 11.60 | |||||
| 1334 | smelter corn | |||||||||
| 1337 | 16 | 1 | 5 | 14.50 | ||||||
| 1352 | 15 | (establish regular burn rate) | 700 | 1 | 6 | 17.40 | ||||
| 1411 | 19 | increase air | 800 | 1 | 7 | 20.30 | ||||
| 1413 | first tap slag addition | |||||||||
| 1420 | 1S | 1S | ||||||||
| 1431 | 20 | 1 | 8 | 23.20 | ||||||
| 1448 | 17 | 1 | 9 | 26.10 | 1S | 2S | ||||
| 1507 | 19 | 1 | 10 | 29.00 | 1S | 3S | ||||
| start first analog as 1.5 kg | ||||||||||
| 1528 | 21 | 1 | 11 | 31.90 | 1.5 | 1.5 | ||||
| 1547 | 19 | 1 | 12 | 34.80 | 1.5 | 3 | ||||
| 1605 | 18 | 1 | 13 | 37.70 | 1.5 | 4.5 | ||||
| 1625 | small tap to below bowl | |||||||||
| 1628 | 23 | ore increased | 1 | 14 | 40.60 | 2 | 6.5 | |||
| 1629 | air increase | 900 | ||||||||
| 1644 | 16 | ore break changes = more fines | 1 | 15 | 43.50 | 2 | 8.5 | |||
| 1703 | 19 | 16 | 46.40 | 2 | 10.5 | |||||
| 1720 | incontenent tap | |||||||||
| 1723 | 20 | 1 | 17 | 49.3 | 2.5 | 13 | ||||
| 1741 | 18 | mix 1/3 oak 2/3 tropical | 1 | 18 | 51.91 | 2.5 | 15.5 | |||
| 1800 | 19 | all oak | 1 | 19 | 54.01 | 2.5 | 18 | |||
| 1810 | incontenent tap | |||||||||
| 1816 | 16 | 1 | 20 | 56.11 | 2.5 | 20.5 | ||||
| 1826 | major incontenent tap | |||||||||
| 1834 | 18 | 20% oak 80% maple | 1 | 21 | 57.97 | 3 | 23.5 | |||
| 1842 | 8 | all maple / balance of ore | 1 | 22 | 59.77 | 1 | 24.5 | |||
| 1850 | 8 | last to cover | 1 | 23 | 61.57 | |||||
| start burn down | ||||||||||
| 1904 | reduce air / probe to settle | 700 | ||||||||
| 1910 | reduce air | 400 | ||||||||
| 1945 | start extraction | |||||||||
| TOTALS | ||||||||||
| Charcoal | 61.6 | kg | ||||||||
| Ore | 24.5 | kg | ||||||||
| tap slag added | 3 | kg | ||||||||
| gromps added | ||||||||||
| Bloom | after cut into 1/4's | 6.3 | kg | |||||||
| Gromps | ||||||||||
| Yield | 26% | % | ||||||||
| Condition | visibly crumbly | |||||||||
| Quality | sparks like 1045 |