EVENT	Date	Oct-19
	Description	Icelandic stone block			3rd use
	Goal	slag bowl in place test
	Team	Darrell Markewitz
		Rey Cogswell
		Neil Peterson
		2x from OABA
	safety	Kelly Probyn-Smith
FURNACE	Type	Norwegian / Icelandic
	Material	granite block, clay fill
	Interior		25
	Height		100
	Stack		70
	Base		15
	Packing	charcoal fines	15
	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				1.8
1000		start wood splints pre-heat
1020	20	gentle air
1040	20	seal tap arch
1120		increase air		400
1145	T 1:45	add rough charcoal		800
relative
1200		main sequence start			3	3	5.40
1204	4	adding rough charcoal			1	4	7.20
1211	7				1	5	9.00
1220	9				1	6	10.80
1233	13	last ungraded fuel			1	7	12.60
1238		air increased		1000
1248	15	graded fuel			1	8	14.40
1300	12				1	9	16.20
1313	13				1	10	18.00
1326	13				1	11	19.80
1339	13	first ore charge			1	12	21.60	1	1
1353	14				1	13	23.40	1	2
1406	13				1	14	25.20	1	3
1419	13				1	15	27.00	1	4
1434	15				1	16	28.80	1	5
1446	12				1	17	30.60	1	6
1500	14				1	18	32.40	1.5	7.5
1512	12				1	19	34.20	1.5	9
1528	16				1	20	36.00	1.5	10.5
1541	13				1	21	37.80	2	12.5
1557	16				1	22	39.60	2	14.5
1609	12				1	23	41.40	2	16.5
1622	13				1	24	43.20	3	19.5
1638	16				1	25	45.00	3	22.5
1654	16	last ore charge			1	26	46.80	3.5	26
1703	9	last charcoal to cover			1	27	48.60
		start burn down
1725		air reduced		800
TOTALS
	Charcoal		49	kg
	Ore	plus 2.8 kg tap slag	26.0	kg
	Bloom		6.75	kg
	Gromps
	Yield		26	%
	Condition	lacy and crumbly
	Quality	spark test estimate	1045