CLOCK ELAPSED EVENT CHARCOAL ORE
Washington College - 10/2013 AIR UNIT COUNT TOTAL ADD TOTAL
LpM bucket kg scoop kg
12:00 Split wood preheat
13:18 Last wood/Gentle Air
13:32 Fill Rough
12:00 Main sequence start
12:25
12:33 Start graded fuel
12:40 7 1 1
12:45 5 1 2
12:52 7 1 3
13:04 12 1 4
13:19 15 Increase Air 850 1 5
13:32 13 Increase Air 900 1 6
13:36 Start Ore
13:48 16 1 7 1 1
13:58 10 1 8 1 2
14:12 14 1 9 1 3
14:23 11 1 10 1 4
14:36 13 1 11 1 5
14:40 Temps: 1341, 1300, 1129, 1112
14:43 7 1 12 1 6
15:01 18 1 13 1.5 7.5
15:11 Air increase 1000
15:13 Rebuilt part of furnace wall near tuyere
15:14 13 1 14 1.5 9
15:25 11 1 15 1.5 10.5
15:27 Rebuilt part of furnace wall with brick, 
 covered lower two thermocouple holes
15:37 12 Switched ore 1 16 1.5 12
15:49 12 1 17 2 14
15:59 temps: 1224, 1113
16:01 12 1 18 2 16
16:13 12 1 19 2 18
16:29 16 1 20 2 20
16:40 11 1 21 2.5 22.5
16:51 11 1 22 2.5 25
16:56 Temps: 1246, 1029
17:00 9 1 23 2.5 27.5
17:14 14 Ore/Coal 1 24 3 30.5
17:25 11 28 analog/2 rock, temp: Overload 1 25 3 33.5
17:33 8 Ore/Coal. Temp: 986, 910 1 26 3 36.5
17:46 13 Ore/Charcoal 1 27 3 39.5
17:52 Opened up bottom to take a look
17:58 Slag Tapped
18:00 14 Charcoal - Ore stopped 1 28 3 42.5
18:08 Cover of charcoal added
18:14 Charcoal ended 1 29
18:23 Charcoal resume (1/2 bucket)
18:25 Tapped, bloom appears lacy and down
18:32 Able to shift bowl down
18:37 Probbing for bloom
18:38 38 1/2 bucket charcoal 1 30
18:40 Breaking open wall ???? charcoal fines
18:44 6 charcoal 1 31
18:48 Cleared tuyere
18:56 Extraction - red purple flame.  
Brick used as fulcrum
19:00 Bloom slightly lacy
19:00 Bloom removed from forge
19:01 Furnace charcoaled
19:04 Bloom split and consolodation
1st reheat charcoal poured in on top
2 blooms put in top with 1.2 bag to cover
19:13 Remove larger piece  3.2Kg
19:14 Place bloom near forge
19:15 Remove small bloom.  2nd consolodation
19:25 End