Time

Event

Air Flow

Measures

Relative

Absolute

Total

Relative

Elapsed

Charcoal

Ore

0:00

00

addition rough charcoal, occasional gentle air blast (begins at 1135h)

B

0:25

00

Increase air flow

C

0:38

32

first graded charcoal added

0:44

19

Increase air flow

C+

0:48

10

charcoal

1

5 lbs*

5 lbs

0:58

10

charcoal

2

5 lbs

10 lbs

1:04

seed charge

1

.75 lbs*

.75lbs

1:06

8

charcoal

3

5 lbs

15 lbs

1:14

seed charge

2

.75 lbs

1.5 lbs

1:15

9

charcoal

4

5 lbs

20 lbs

1:21

seed charge

3

.75 lbs

2.25 lbs

1:25

10

charcoal

5

5 lbs

25 lbs

1:31

seed charge

4

.75 lbs

3 lbs

1:33

8

charcoal

6

5 lbs

30 lbs

1:37

seed charge

5

.75 lbs

3.75 lbs

1:41

8

charcoal

7

5 lbs

35 lbs

1:50

9

charcoal

8

5 lbs

40 lbs

ore charge (+ one and a half scoops added in this time)

6

1.1 lbs+

4.85 lbs

1:58

8

charcoal

9

5 lbs

45 lbs

ore charge (++ two scoops plus the left overs from above)

7

1.9 lbs++

6.75 lbs

2:06

8

charcoal

10

5 lbs

50 lbs

ore charge 

8

1.5 lbs

8.25 lbs

2:13

7

charcoal

11

5 lbs

55 lbs

ore charge

9

1.5 lbs

9.75 lbs

2:22

9

charcoal

12

5 lbs

60 lbs

ore charge

10

1.5 lbs

11.25 lbs

2:30

8

charcoal

13

5 lbs

65 lbs

ore charge

11

1.5 lbs

12.75 lbs

2:38

8

charcoal

14

5 lbs

70 lbs

ore charge

12

2.25 lbs

15 lbs

2:45

7

charcoal

15

5 lbs

75 lbs

ore charge

13

1.5 lbs

16.5 lbs

2:53

8

charcoal

16

5 lbs

80 lbs

ore charge

14

2.25 lbs

18.75 lbs

3:02

9

charcoal

17

5 lbs

85 lbs

ore charge

15

2.25 lbs

21 lbs

3:10

8

charcoal

18

5 lbs

90 lbs

ore charge

16

2.25 lbs

23.25 lbs

3:18

8

charcoal

19

5 lbs

95 lbs

ore charge (1 scoop taconite, 2 scoops virginia rock ore)

17

2.25 lbs

25.5 lbs

3:26

8

charcoal

20

5 lbs

100 lbs

ore charge (virginia rock ore)

18

2.25 lbs

27.75 lbs

3:36

10

charcoal

21

5 lbs

105 lbs

ore charge (virginia rock ore) 

19

2.25 lbs

30 lbs

3:38

Scoop of gromp added

3:41

Rogering the tuyure

3:43

7

charcoal

22

5 lbs

110 lbs

ore charge (virginia rock ore)

20

0.75 lbs

30.75 lbs

3:50

7

charcoal

23

5 lbs

115 lbs

ore charge (virginia rock ore)

21

1.5 lbs

32.25 lbs 

3:58

charcoal

24

5 lbs

120 lbs

ore charge (virginia rock ore)

22

2.25 lbs

34.5 lbs

4:06

charcoal

25

5 lbs

125 lbs

ore charge (virginia rock ore)

23

2.25 lbs

36.75 lbs

4:16

charcoal

26

5 lbs

130 lbs

ore charge (virginia rock ore)

24

2.25 lbs

39 lbs

4:24

charcoal

27

5 lbs

135 lbs

ore charge (virginia rock ore)

25

1.5 lbs

40.5 lbs

4:25

ore charge (virginia rock ore)

26

0.75 lbs

41.25 lbs

4:28

ore charge (virginia rock ore)

27

0.75 lbs

42 lbs

4:36

Begin adding gromp pieces

4:37

charcoal

28

5 lbs

140 lbs

4:42

charcoal

29

5 lbs

145 lbs

4:45

Add remaining gromp (total 1.1 kg)

4:47

reduction charge

28

1.5 lbs

43.5 lbs

4:48

charcoal

30

5 lbs

150 lbs

4:57

charcoal

31

5 lbs

155 lbs

5:07

charcoal

32

5 lbs

160 lbs

5:16

charcoal

33

5 lbs

165 lbs

5:25

charcoal

34

5 lbs

170 lbs

5:35

charcoal

35

5 lbs

175 lbs

air flow reduced to minimal - remaining charcoal removed

consolidate bloom with wooden thumper

remove bloom and consolidate

charcoal

36

5 lbs

180 lbs

return bloom to smelter

remove bloom and consolidate

charcoal

37

5 lbs

185 lbs

return bloom to smelter

remove bloom and split

6:25

smelt complete