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Brick Blacksmith's Forge with a Bottom-Blast Tuyere
A forge is a hearth with a bowl for the fire and an opening in its bottom, the tuyere, through which the blast of air is forced. One smith's forge of the 1880s was two feet four inches high and four feet square, built of brick and stone, with a 12-inch chimney flue, the tuyere iron set four inches below the surface and the forge hollow underneath so the fire could be dumped and the ashes cleared. Advice of the same time: keep the tuyere's centre at least eighteen inches from the back wall and the working side, set its top four to six inches below the hearth (deeper for heavy work), and leave a recess in the back wall at least 8 inches deep, 24 high and 24 wide. The blast came from a blower or bellows.
Intermediate
Several days
Instructions
1
1
Build the base
Build the base
Build the hearth of brick and stone, about two feet four inches high and four feet square (one smith's size), hollow underneath with an opening for the ash.
Materials for this step:
Fired Clay Bricks1 as required
Stones1 as requiredTools needed:
Mason's Trowel2
2
Back wall and recess
Back wall and recess
Raise the back wall and chimney with a 12-inch flue; leave a recess at least 8 in deep, 24 in high and 24 in wide behind the fire.
Materials for this step:
Chimney Flue Pipe1 pieceTools needed:
Mason's Trowel3
3
Set the tuyere
Set the tuyere
Set the tuyere with its centre at least 18 in from the back wall and the working side, its top 4–6 in below the hearth surface.
Materials for this step:
Tuyere Iron1 piece4
4
Blast
Blast
Connect the blower or bellows to the tuyere pipe, with a way to open it underneath and clear cinders.
Tools needed:
Hand-Crank Forge BlowerMaterials
4- 1 as requiredPlaceholder
- 1 as requiredPlaceholder
- 1 piecePlaceholder
- 1 piecePlaceholder
Tools Required
2- Placeholder
- Placeholder
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