EVENT Date July 21 & 22, 2017
Description SCA - FOOL event 
Goal course
Team Darrell Markewitz
Penda
Sybella
Jared
Edward
Steve O
Perjos
Daniella
Eric
records Niel Peterson
FURNACE Type Norse Short Shaft
Material clay / sand / horse manure cobb
Interior 25
Height 77
Stack 61
Base as 1 cm thick disk 16
Packing charcoal fines 12
Tuyere standard copper
Diameter 2
Angle -23
Proud 5
Air System twin chamber (norse) 'smelting bellows
Extraction bottom via arch 
MATERIALS Ore DD 2 (red + 9% scale )
Charcoal maple
CLOCK ELAPSED EVENT AIR CHARCOAL ORE
relative UNIT COUNT TOTAL Unit TOTAL
pressure LpM bucket kg kg kg
psi 2.2
KpH to LpM 8.2
1200 start wood splints pre-heat
1325 1:25 start bellows use ??
1400 first addition of rough charcoal
1405 T 2:05 fill with ungraded fuel 3.5 7.6
1200 main sequence start ?? 0.5 4 8.7
1211 11 1 5 10.9
1222 11 1 6 13.1
1237 15 switch to graded fuel 1 7 15.3
1255 18 1 8 17.4
1323 28 1 9 19.6
1352 29 addition tap slag 1 10 21.8 1 S 1 S
1335 air test (Penda) = 35 kph 287
1353 air test (Edward) = 50 kph 410
1400 air test (Eric) = 27 kph 221
1408 air test (Sybella) = 39 kph 320
1413 air test (Fergus) = 36 kph 295
1423 air test (Craig) = 43 kph 353
air test (average) 314
1425 33 1 11 24.0 1 S 2 S
1439 14 1 12 26.2 1 S 3 S
1454 15 first ore addition 1 13 28.3 1 1
1543 49 1 14 30.5 1 2
1617 32 1 15 32.7 1 3
1644 27 1 16 34.9 1.5 4.5
1651 air test (Daniel) = 70 kph 560
1652 air test (Edward) = 70 kph 560
1655 air test (Jared) = 60 kph 480
1656 air test (Eric) = 62 kph 496
1657 air test (Fergus) = 50 kph 400
1658 air test (Penda) = 50 kph 400
1658 air test (Steve) = 61 kph 488
air test (average) 483
1706 22 1 17 37.1 1.5 6
1723 17 1 18 39.2 1.5 7.5
1735 1 19 41.4 2 9.5
temperature, 20 cm from top = 680 C
30 cm from top = 870 C
40 cm from top = 1002 C
50 cm from top = 1102 C
60 cm from top (+5 tuyere) = 111 C
70 cm from top (-5 tuyere) = 655 C
1803 28 1 20 43.6 2 11.5
1830 27 1 21 45.8 2 13.5
1851 21 1 22 48.0 2.5 16
1933 42 1 23 50.1 2.5 18.5
1958 25 1 24 52.3 2 20.5
2028 30 1 25 54.5 2.5 23
2054 26 1 26 56.7 2 25
2119 25 1 27 58.9 1.9 26.9
records end
last charcoal to cover ?? 1 28 61.0
TOTALS
Charcoal 61 kg
Ore 26.9 kg
Bloom no consolodated bloom 4.89 kg
Gromps kg
Yield 18% %
Condition a bit crumbly looking
Quality varies - 1010 to 1030 on spark test