IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
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.
Àárín
Several days
Ìlànà
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.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Bíríkì amọ̀ tí a sun1 as required
Àwọn òkúta1 as requiredÀwọn irinṣẹ́ tí a nílò:
Ìgbálẹ̀ bíríkì ti mọ̀lémọ̀lé2
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.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Páìpù èéfín1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ìgbálẹ̀ bíríkì ti mọ̀lémọ̀lé3
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.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ihò afẹ́fẹ́ irin (tuyere)1 ẹyọ4
4
Blast
Blast
Connect the blower or bellows to the tuyere pipe, with a way to open it underneath and clear cinders.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ afẹ́fẹ́ ilé alágbẹ̀dẹ ọlọ́wọ́Àwọn ohun-èlò
4- 1 as requiredÀyè
- 1 as requiredÀyè
- 1 ẹyọÀyè
- Àyè
Àwọn irinṣẹ́ tó nílò
2Ìtọ́nisọ́nà yìí ń ṣe
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