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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.
Katamtaman
Several days
Mga Tagubilin
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.
Mga materyales para sa hakbang na ito:
Mga laryong luwad na hinurno1 as required
Mga bato1 as requiredMga kailangang kasangkapan:
Kutsara ng mason2
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.
Mga materyales para sa hakbang na ito:
Tubo ng tsimenea1 pirasoMga kailangang kasangkapan:
Kutsara ng mason3
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.
Mga materyales para sa hakbang na ito:
Tuyere na bakal ng pandayan1 piraso4
4
Blast
Blast
Connect the blower or bellows to the tuyere pipe, with a way to open it underneath and clear cinders.
Mga kailangang kasangkapan:
Bentilador ng pandayan na de-pihitanMga Materyales
4- 1 as requiredPlaceholder
- 1 as requiredPlaceholder
- 1 pirasoPlaceholder
- 1 pirasoPlaceholder
Mga Kinakailangang Kasangkapan
2- Placeholder
- Placeholder
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