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Overview
Oct 12, 2015
Jun 20, 2015
Apr 25, 2015
May 11, 2013
May 27, 2012
Nov 5, 2011
Oct 9, 2011
July 28, 2011
June 11, 2011
Nov 6, 2010
Aug 21, 2010
June 12, 2010
Nov 7, 2009
Oct 11, 2009
May 30, 2009
Nov 8, 2008
Oct 12, 2008
Jun 14, 2008
Apr 13, 2008
Oct 27, 2007
Oct 8, 2007
Jun 10, 2007 - Excav.
Jun 9, 2007 - Second
Jun 9, 2007 - First
Nov 5, 2006
Sep 1-2, 2006
Jun 10, 2006
Jun 10, 2006 - Tools
Nov 4, 2005
Sep 1, 2005 - CanIron V
Jun 11, 2005
May 14, 2005 - OABA
Jan 14, 2005 - Consolid.
Oct 24, 2004
Jun 3, 2004
Jun 3, 2004 - Design
Jun 3, 2004 - Questions
May, 2003 - Analysis
May 2003
May 2002

Iron Smelt - Wareham, ON - Oct 12, 2015

Date:Oct 12, 2015

Location:Wareham, ON

See also: Darrell Markewitz's ironsmelting site

Team: Darrell Markewitz, Neil Peterson, Vann, Kelly

Premise: Return to the Icelandic (Háls) series.

Furnace Design

TypeIcelandic Turf construction with clay lining, tap arch
Extractionbottom
Diameter29 cm
Height97 cm
Volume64037.945 cm3
Tuyure Typeceramic tube
Tuyere height from base25 cm
Tuyere penetration into furnace5 cm
Tuyere angle22 deg
Base designnatural set base cm

Burn Details

Bellow Typeblower
Avg Air rateest. 1000+ litres per minute
Total Charcoal Mass56 Kg
Avg Burn rate15 min per 2 Kg
Ore TypeDD1+
Total Mass of Ore30.5 Kg
Burn Duration5:53 Hours

Results

Mass of Bloom4.266 Kg
Bloom Type
Yield14%
Notes

Smelt_cd Reports of all of our iron smelting efforts along with more articles and information are available on the "Iron Smelting in the Viking Age" CD from the Wareham Forge.  Copies of the CD can be purchased here.

Discussion:




Conclusions:


Will be along later
Not yet.


Photos:


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Inital SetupFirst ProblemSlag SamplesSlag bowl
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Pre-extractionThumpingCompactingCompacting
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Smelter Remains

Raw Data:



CLOCKELAPSEDEVENTAIRCHARCOALORE
UNITCOUNTTOTALADDTOTAL
gateLpMbucketkgKgkg
9:30Start propane preheat1.9
10:501:20Start wood splints
11:3545Gentle air~300
11:5015Increase air~400
12:0515First rough charcoal
12:15Add one bag rough8kg
12:17Plus 2.5 buckets22
12:3215First bucket added13
12:501814
12:53Air increase~900
12:59915
13:03Air increase~1000
13:09816
13:191217
13:22Start Ore Additions
13:42231811
13:5191912
14:112011013
14:21Air to Maximum
14:261511114
14:35Additional Thermocouple
14:431711215
14:571411316
15:111411417
15:2615Taped air gate11518
15:40141161.59.5
15:54141171.511
16:08141181.512.5
16:20121191.514
16:3515120216
16:4813121218
17:0416122220
17:1915123222
17:3516124325
17:5116125328
18:0615Last Ore Charge1262.530.5
18:2115127
18:3312Burn down starts128
Many tapping events
18:50To about 7-8 cm below top of clay liner. Approximate height of ignition/reactive
19:15Move top two thermocouples
Smelt_cd Reports of all of our iron smelting efforts along with more articles and information are available on the "Iron Smelting in the Viking Age" CD from the Wareham Forge.  Copies of the CD can be purchased here.
Text © Darrell Markewitz   Photographs © Darrell Markewitz   Copyright details
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