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
Forge Hearth of Mud Brick with a Clay Tuyere from the Back Wall
A forge is a hearth for heating metal: a bed of burning charcoal held against the mouth of a tuyere, the pipe that brings air from the bellows. The simplest is a hole in the ground with a pipe leading into it. Build a low box of mud brick with a clay pipe through the back wall, blown by bellows.
The picture: a forge fire blown hot, throwing sparks.
Olùbẹ̀rẹ̀
Two days
Ìlànà
1
1
Lay the box
Lay the box
On level ground, lay mud bricks in clay mortar into a low open box, three courses high, with a shallow fire pot in the middle (step 5).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Bíríkì ẹrẹ̀ tí oòrùn gbẹ32 ẹyọ
Amọ̀20 kgÀwọn irinṣẹ́ tí a nílò:
Ọkọ́
Omi
Bàkẹ́tì irin2
2
Make the tuyere
Make the tuyere
Roll a thick clay pipe round a wooden stick, about 4 cm bore (ours), and pull the stick out. Set it through the back wall so it opens just above the fire pot, and bed it in clay.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Amọ̀3 kgÀwọn irinṣẹ́ tí a nílò:
Ọ̀pá igi tí ó tọ́3
3
Dry and connect
Dry and connect
Let the clay dry for a day or two. Join the bellows nozzle to the outer end of the clay pipe.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ Ìfẹ́ Afẹ́fẹ́4
4
Light the forge
Light the forge
Light kindling from a bow-drill ember in the fire pot, heap charcoal over it in front of the tuyere and blow gently until the bed glows.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ewé gbígbẹ àti ìtànná1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ìluhò Ọrun
ÈédúẸ̀rọ Ìfẹ́ Afẹ́fẹ́
Ìbọ̀wọ́ Iṣẹ́ Awọ5
5
Bricks for the hearth
Bricks for the hearth
Ń ṣí ìwé Jupyter…
Ìtọ́nisọ́nà yìí ń ṣe
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