EVENT Date November (30) 2016
Description Norse Iron Smelting Course
Goal teaching
Team Darrell Markewitz
Arthur von Eschen (Asfolk)
FURNACE Type Norse short shaft
Material clay manure cobb on plinth
Interior 25
Height 65
Stack 50
Base 15
Packing charcoal fines 18.5
Tuyere standard copper
Diameter 2
Angle -22.5
Proud 5
Air System standard electric blower
Extraction bottom via arch
MATERIALS Ore DD 2 (red + 18% scale)
Charcoal Maple
CLOCK ELAPSED EVENT AIR CHARCOAL ORE
actual UNIT COUNT TOTAL Unit TOTAL
gauge LpM bucket kg kg kg
m3/sec 1.92
to 1430 E 2:30 wood splints preheat
1510 40 fill with ungraded charcoal 3 5.76
relative
1200 main sequence start (air gate at 8) 6.68 400.8
1230 30 switch to graded charcoal 1 4 7.68
1243 12 6.65 399 1 5 9.60
1302 19 1 6 11.52
1319 17 increase air (air gate at 9) 7.44 446.4 1 7 13.44
1334 15 (air gate at 10) 7.35 441 1 8 15.36
1346 15 (air gate at 11) 7.65 459 1 9 17.28
1350 first ore addition - limonite
1403 17 1 10 19.20 1 1
1416 13 1 11 21.12 1 2
1430 14 7.75 465 1 12 23.04 1 3
1443 13 1 13 24.96 1 4
1455 12 1 14 26.88 1 5
1510 15 last of limonite 1 15 28.80 1.5 6.5
1525 15 switch to analog 7.75 465 1 16 30.72 1.5 8
1540 15 1 17 32.64 1.5 9.5
1553 13 1 18 34.56 1.5 11
1607 14 1 19 36.48 2 13
1624 17 1 20 38.40 2 15
1638 14 1 21 40.32 2 17
1654 16 1 22 42.24 2 19
1708 14 1 23 44.16 2 21
1723 15 1 24 46.08 2 23
1737 14 1 25 48.00 2 25
1751 14 1 26 49.92 2 27
1805 14 1 27 51.84 2 29
1821 16 last ore addition 1 28 53.76 2.7 31.7
1833 12 graded to cover 1 29 55.68
start burn down
1905 start extraction
TOTALS
Charcoal 56 kg
Ore limonite 6.5 / analog 25.2 31.7 kg
Bloom 7.8 kg
Gromps
Yield 25 %
Condition rectangular shape, 'crumbly'
Quality spark test 1020-1030
analog water =13% (100 : 87)