EVENT	Date	October (31) 2020
	Description	Icelandic stone block
	Goal	65 for 65' large volume smelt
	Team	Darrell Markewitz
		Neil Peterson
		Rey Cogswell
		Bram Porter
	stricker	Richard Schwitzer
	photos+	Kelly Probyn-Smith
FURNACE	Type	Norwegian / Icelandic
	Material	granite block, clay fill
	Interior		25
	Height		100
	Stack		70
	Base		15
	Packing	wood ash	15
	Tuyere	standard copper
	Diameter		2
	Angle		-22.5
	Proud		2
	Air System	standard electric blower
	Extraction	dismantle to tuyere level
MATERIALS	Ore	Lexington / hematite / DD1
	Charcoal	Oak
CLOCK	ELAPSED	EVENT	AIR		CHARCOAL			ORE
actual					UNIT	COUNT	TOTAL	Unit	TOTAL
			pressure	LpM	bucket		kg	kg	kg
			psi				1.85
7:35		start wood splints pre-heat
9:03	1:28	gentle air
9:12	25	increase air		200
9:29		seal arch
9:35		start adding ungraded (maple)			1	1
9:39	T 2:04	fill with ungraded		800	4	5
9:46		probed to settle
9:51		probed to settle			1	6	11.10
10:00		probed to settle			1	7	12.95
10:11		probed to settle		900	1	8	14.80
		tape over plate air leak
10:24	13	mixed maple / oak			1	9	16.65
10:30	T : 51	top ignition
		main sequence start
10:35	11	oak			1	10	18.50
10:44	9	start slag additions			1	11	20.35
10:55	11				1	12	22.20	1 S	1 S
11:07	12				1	13	24.05	1 S	2 S
11:18	11	total 3 kg (6.5 lbs) iron slag			1	14	25.90	1 S	3 S
11:29	11	(poor) Virginia Limonite			1	15	27.75	1 L	1
11:39	10				1	16	29.60	1 L	2
11:50	11				1	17	31.45	1 L	3
12:03	13				1	18	33.30	1.5 L	4.5
12:14	11				1	19	35.15	1.5 L	6
12:26	12	.5 Limonite + 1 Hematite grit			1	20	37.00	1.5	7.5
12:37	11				1	21	38.85	1.5 H	9
12:50	13				1	22	40.70	1.5 H	10.5
13:03	13				1	23	42.55	1.5 H	12
13:15	12	.5 Hematite + 1.5 Analog			1	24	44.40	2	14
13:28	13	.5 Hematite + 1.5 Analog			1	25	46.25	2	16
13:40	12	all Analog			1	26	48.10	2	18
13:54	14				1	27	49.95	3	21
14:07	13				1	28	51.80	2	23
14:20	13				1	29	53.65	3	26
14:32	12				1	30	55.50	2	28
14:46	14				1	31	57.35	3	31
14:58	12				1	32	59.20	3	34
15:13	15				1	33	61.05	3	37
15:25	12				1	34	62.90	2	39
15:38	13				1	35	64.75	3	42
15:51	13	2.5 Analog + .5 Limonite			1	36	66.60	3	45
16:02	13	Gromps			1	37	68.45	1.5	46.5
16:15	13				1	38	70.30	1.5	48
16:30	15				1	39	72.15	1.5	49.5
16:42	12				1	40	74.00	2	51.5
16:54	12	Limonite			1	41	75.85	3	54.5
17:08	14				1	42	77.70	3	57.5
17:23	15				1	43	79.55	3	60.5
17:37	14				1	44	81.40	3	63.5
17:50	13				1	45	83.25	1.5	65
18:02	12	last charcoal to cover			1	46	85.10
		start burn down
		start extraction
TOTALS
	Charcoal		85	kg
	Ore	plus 3 kg tap slag	65	kg
	Bloom		15.9	kg
	Gromps	included in ore weight		kg
	Yield		24	%
	Condition
	Quality