IRON SMELT Experiment Overview

2014 Iron Smelt Experiments

v1 - 2021

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CONSUMPTION / SEQUENCE rates (at m/kg) are from first ore to last ore additions

Date: June 14, 2014
Experiment: 56
Location: Wareham
Team: Kelly, Ron, Heather, Rodger, Neil, Richard
Furnace: standard Short Shaft
clay/sand on stone plinth
tap arch (bottom extraction)
Size: 24 cm / 61 cm H
Source: based on Culduthel Scotland (Pictish)
Tuyere: standard ceramic tube 2.5 cm ID
Placement: 4 cm proud, 16 cm above base
set at 22.5 degrees down
Bellows: standard electric blower
Charcoal: 68 kg, oak ?
Consumption: average 11 minutes/charge
5.7 m/kg
Ore:
DD1 @
28.3 (dried) kg
Sequence:
increased 1 - 2.5 kg
6.9 min/ kg
Duration
: main sequence about 5 hours
Result: 5.2 kg
Yield: 18 % at extraction
Notes: prototype test for Turf 2 Tools

T2T
                    A
Date: August 11, 2014
Experiment: 57
Location: Scottish Sculpture Workshop, Lumsden Scotland
Team: Thomas Stackhouse, James McCarthy, Eden Jolly,
Furnace: Short Shaft on plinth
clay / sand / manure cobb
slag tapping / bottom extraction
Size: tapers 29 - 20 cm / 66 cm H
Source: based on Culduthel Scotland (Pictish)
Tuyere: 2.5 cm ID ceramic tube
Placement: 11 cm above fines base
5 cm proud
set at about 22 degrees down
Bellows: electric leaf blower / unknown delivery
Charcoal: 60 kg, Scotish types
Consumption: average 11 m per charge
5.4 m/kg
Ore: mixed types
total 31 kg
Sequence: regular increase from 1 to 2.5 kg / charge
7.2 m/kg
Duration: about 5 hours
Result: 2.3 kg bloom
Yield: 8 %
Notes: Turf 2 Tools 1 - Macaulayite ore test
team

Date: August 16, 2014
Experiment: 58
Location: Scottish Sculpture Workshop, Lumsden Scotland
Team: Thomas Stackhouse, James McCarthy, Eden Jolly, Phil Chaplin, Emma Harrison
Furnace: re-use of T2T1 A
Size: 28 cm ID x 64 H
Source: based on Culduthel Scotland (Pictish)
Tuyere: standard ceramic tube 2.5 cm
Placement: 15 cm above base
5 cm proud
set at about 22 down
Bellows: electric leaf blower
Charcoal: 62 kg Scottish type
Consumption: fast, average 8 m per charge
4.0 m/kg
Ore:
mix of analog and taconite
41 kg
Sequence: normal increase from 1 - 3 kg charges
3.8 m/kg
Duration: about 4 hours (main sequence)
Result: 4.7 kg bloom + pieces
Yield: 12 %
Notes: Turf 2 Tools

t2t1 b

Date: August 2014
Experiment: not included
Location: Scottish Sculpture Workshop, Lumsden Scotland
Team: Uist Cordigan, Eden Jolly
Furnace: replaced base of T2T1 A
Size: tapers 23 - 20 cm x 64 H
Source: theoretical
Tuyere: standard ceramic tube 2.5 cm
Placement: 15 cm above base
5 cm proud
set at 22 down
Bellows: electric leaf blower
Charcoal: 43 kg compressed peat
Consumption: fast additions, 5 - 8 minutes each
Ore:
none used
Duration: about 1 hour (main sequence)
Notes: temperature / rate measurements

peat

Date: August 2014
Experiment: 59
Location: Scottish Sculpture Workshop, Lumsden Scotland
Team: Thomas Stackhouse, James McCarthy, Eden Jolly, Phil Chaplin, Emma Harrison, Dirk
Furnace: replaced base of T2T1 A
Size: tapers 23 - 20 cm x 64 H
Source: based on Culduthel Scotland (Pictish)
Tuyere: standard ceramic tube 2.5 cm
Placement: 15 cm above base
5 cm proud
set at 22 down
Bellows: electric leaf blower
Charcoal: 61 kg Scottish type
Consumption: average 13 m per charge
6.6 m/kg
Ore:
mix of analog and taconite
40 kg
Sequence: normal increase from 1 - 2.5 kg charges
6.8 m/kg
Duration: about 4 hours (main sequence)
Result: 11.6 kg bloom
Yield: 29 %
Notes: Turf 2 Tools, plus bone addition experiment

t2t1
                    c

TEAM PARTICIPANTS

Kelly Probyn-Smith, Neil Peterson, SSW participants

IRON SMELT LINKS
Lee Sauder
DARC - Iron Experiments



Unless indicated, All text and photographs 2005 - 2021 Darrell Markewitz - the Wareham Forge