EVENT Date June (20) 2019
Description Icelandic stone block
Goal furnace dynamic test
Team Darrell Markewitz
Ryan Leis
Rey Cogswell
Avery Goltz
records Kelly Probyn-Smith
photos Travis Sweet
FURNACE Type Norwegian / Icelandic
Material granite block, clay fill
Interior 25
Height 100
Stack 70
Base 15
Packing wood ash 14
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
UNIT COUNT TOTAL Unit TOTAL
pressure LpM bucket kg kg kg
psi 1.88
1200 start wood splints pre-heat
1340 1:40 gentle air / seal arch
1405 25 increase air 200
1417 T 2:17 fill with rough charcoal
1200 main sequence start 800 2 + 2 3.76
1204 probed to settle 2 4 7.52
1219 19 charcoal is hanging up / rough sides 1 5 9.40
1239 20 1 6 11.28
1240 increase air 900
1254 15 1 7 13.16
1309 15 1 8 15.04
1317 8 1 9 16.92
1323 6 1 10 18.80
1337 14 start graded fuel 1 11 20.68
1348 11 1 12 22.56
1400 12 1 13 24.44
1420 20 1 14 26.32
1435 15 1 15 28.20
1448 13 charge with broken tap slag 1 16 30.08 1 S 1 S
1504 16 1 17 31.96 1 S 2 S
1519 15 remainder slag 1 18 33.84 .8 S 2.8 S
1536 17 charge with ore analog 1 19 35.72 1 1
1553 13 1 20 37.60 1 2
1607 14 1 21 39.48 1 3
1619 12 1 22 41.36 1.5 4.5
1632 13 1 23 43.24 1.5 6
1647 15 1 24 45.12 1.5 7.5
1702 15 1 25 47.00 1.5 9
1716 14 1 26 48.88 2 11
1731 15 1 27 50.76 2 13
1747 16 1 28 52.64 2 15
1803 16 1 29 54.52 2 17
1820 17 1 30 56.40 2 19
1836 16 1 31 58.28 2 21
1848 12 1 32 60.16 2 23
1905 17 1 33 62.04 2 25
1918 13 1 34 63.92 1.33 26.33
1931 13 last charcoal to cover 1 31 58.28
start burn down
2002 start extraction
TOTALS
Charcoal 58 kg
Ore plus 2.8 kg tap slag 26.33 kg
Bloom 7.03 kg
Gromps
Yield 27 %
Condition
Quality