EARLY IRON 3 
Peter's Valley Craft Centre
October 7 - 2006

A draft field report...

Minden 'Bog Ore' in Clay Cobb Smelter - 8" internal diameter
Key Photographs:
'Bog Ore' Starting Form Smelting Burn Down Aftermath
Minden 'Bog Ore' Constructing Smelter During main smelt Sequence Starting Burn Down Extraction phase

Primary Sequence:
TIME     EVENT ORE     CHARCOAL AIR  
ABSOLUTE RELATIVE ELAPSED   ADD (scoops) AMOUNT TOTAL TOTAL SETTING VOLUME
        (140 gm each) (as lb) (as lb) (5 lb each)   (litre/min)
                   
12:10 0:00   start preheat         air at A + 458 
12:45 :35   fill with ungraded charcoal         air at B 703
12:53 :43 0 start graded fuel       5    
13:02 :52 9         10 air at A 3/4 597 
13:13 1:03 9         15 air at A + 458 
13:27 1:17 14         20    
13:43 1:33 16   3 0.93 1.00 25    
14:01 1:51 18   3 0.93 2.00 30    
14:21 2:11 20   3 0.93 3.00 35    
14:30               air to A 3/4  597
14:37 2:27 16   3 0.93 4.00 40    
14:57 2:47 20   4.5 1.40 5.30 45 air to B 703
15:07 2:57 10   6 1.87 7.17 50 air to B - 1/4 785 
15:19 3:09 12   6 1.87 9.03 55    
15:33 3:23 14   6 1.87 10.90 60    
15:45 3:35 12   9 2.80 13.70 65    
16:00 3:50 15   9 2.80 16.50 70    
16:23 4:13 23   6 1.87 18.37 75    
16:35               air to B + 842 
16:42 4:32 19 obstuction cleared       80    
      burn down begins       90    
                   
      TOTALS LBS   18.37 90    
        KG   8.35 40.91    
                   
      BLOOM PRODUCED LBS   1.5      
        KG   0.68      
        %   12.25      

Last Updated on 2810/06
By Darrell Markewitz
Email: smelt@warehamforge.ca

Text and photography © 1998 - 2007, Darrell Markewitz