EVENT	Date	Oct-19
	Description	Icelandic stone block			2nd use
	Goal	slag bowl in place test
	Team	Darrell Markewitz
		James Burton
		Neil Peterson
	photos	Kelly Probyn-Smith
FURNACE	Type	Norwegian / Icelandic
	Material	granite block, clay fill
	Interior		25
	Height		100
	Stack		70
	Base	varies - previous slag bowl retained
	Packing	wood ash
	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
			pressure	LpM	bucket		kg	kg	kg
			psi				1.92
1000		start wood splints pre-heat
1030	30	gentle air, port open / seal arch
1050	20	close port
1131	T 1:30	fill with rough charcoal
1131		main sequence start		800	2 +	2	3.84
1120		start adding graded fuel
1131	11	charcoal is hanging up / rough sides			1	3	5.76
1135	4	dropped with probing			1	4	7.68
1148	13				1	5	9.60
1159	11				1	6	11.52
1215	16				1	7	13.44
1216		air increased		900
1229	14				1	8	15.36
1230		air increased		1000
1242	13				1	9	17.28
1253	11	first ore charge			1	10	19.20	1	1
1307	14				1	11	21.12	1	2
1317	10				1	12	23.04	1	3
1331	14				1	13	24.96	1	4
1345	14				1	14	26.88	1.5	5.5
1356	11				1	15	28.80	1.5	7
1407	11				1	16	30.72	1.5	8.5
1423	16				1	17	32.64	2	10.5
1433	10				1	18	34.56	2	12.5
1445	12				1	19	36.48	2	14.5
1458	13				1	20	38.40	2	16.5
1510	12				1	21	40.32	3	19.5
1525	15				1	22	42.24	3	22.5
1540	15	large self tap			1	23	44.16	3	25.5
1552	12				1	24	46.08	0.714	26.214
1604	12				1	25	48.00
1605		start burn down
1620		air reduced		800
1634		air reduced		600
TOTALS
	Charcoal		48	kg
	Ore	plus 2.8 kg tap slag	26.2	kg
	Bloom		6.26	kg
	Gromps
	Yield		24	%
	Condition
	Quality	spark test estimate	1035