EVENT	Date	June (20) 2021
	Description	Hals Icelandic Phase 3 A
	Goal	simulated Icelandic clay mix
	Team	Darrell Markewitz (M)
		Neil Peterson
		Rey Cogswell
		Kay Burnham
		Richard Schwitzer
	records	Kelly Probyn-Smith
	photos	Travis Sweet
FURNACE	Type	Icelandic turf build
	Material	Wareham sod / Icelandic clay
	Walls	cylinder / clay+sand+horse	4.5
	Interior		28
	Height		75
	Stack		50
	Base		15
	Packing	charcoal fines	14
	Tuyere	standard copper
	Diameter		2
	Angle		-22.5
	Proud		5
	Air System	standard electric blower
	Extraction	bottom via arch
MATERIALS	Ore	DD 1 (red)	51% Fe
	Charcoal	Oak
CLOCK	ELAPSED	EVENT	AIR		CHARCOAL			ORE
					UNIT	COUNT	TOTAL	Unit	TOTAL
			pressure	LpM	bucket		kg	kg	kg
			psi				1.8
1200		start wood splints pre-heat		touch
1300	T 60	fill with rough charcoal		700	3	3	5.40
1314	14				1	4	7.20
1329	15				1	5	9.00
1338	9				1	6	10.80
1352	14				1	7	12.60
1400	8				1	8	14.40
1407	T 1:07	start graded charcoal
1200		main sequence start
1205	12				1	9	16.20
1217	12				1	10	18.00
1228	11	start addition of iron slag			1	11	19.80
1245	13				1	12	21.60	1 S	1 S
1257	12	last 2/3 as slug			1	13	23.40	1 S	2 S
1310	13				1	14	25.20	1 S	3 S
1322	12				1	15	27.00	1 S	4 S
1335	13				1	16	28.80	1 S	4 S
1350	15	ore addition			1	17	30.60	1 O	1 O
1405	15	slag tap			1	29	52.20	1	2
		charcoal fines removed -  lower bowl
	17 E	record missed			1	30	54.00	1	3
1440	17 E				1	31	55.80	1	4
1455	15				1	22	39.60	1	5
1507	12				1	23	41.40	1	6
1526	19				1	24	43.20	1	7
		air increase		800
1545	19				1	25	45.00	1	8
1600	15				1	26	46.80	1	9
1613	13				1	27	48.60	1	10
1628	15	remainder slag			1	28	50.40	1	11
1644	16				1	29	52.20	1.5	12.5
1700	16				1	30	54.00	1.5	14
1715	15				1	31	55.80	1.5	15.5
1733	18				1	32	57.60	2	17.5
		slag tap
	17 E	record missed			1	33	59.40	1.5	19
1807	17 E	slag tap			1	34	61.20	2	21
1817	10				1	35	63.00	1.5	22.5
	14 E	record missed			1	36	64.80	1.5	24
1845	14 E	slag tap			1	37	66.60	1.5	25.5
1858	13	start burn down			1	38	68.40
1930		extra to cover, at about one remains			0.5	38.5	69.30
		start extraction
TOTALS
	Charcoal		69	kg
	Ore		25.5	kg
		iron slag added	4	kg
	Bloom		8.9	kg
	Gromps
	Yield		35	%
	Condition	varies, dense to fragmented
	Quality
	Slag	tap slag collected	7.9	kg
		bowl during extraction	2.5	kg
		bowl from re-set	3	kg
		TOTAL	13.4	kg
		INPUT	29.5	kg
		OUTPUT	22.3	kg
		BALANCE	-7.2	kg