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