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Trip-Hammer Helve: an Oak Beam Hewn and Bored for its Pivot
Woody

Yenziwe ngu-

Woody

17. uMfumfu 2026NO
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Trip-Hammer Helve: an Oak Beam Hewn and Bored for its Pivot

The helve is the wooden beam of a trip hammer: the head sits on one end, the cams lift the other, and it rocks on a pivot between. Hew it from a straight oak log, bore it for the pivot pin, and taper the head end to fit the hammer's eye. The picture: our diagram, helve with pivot, head and cam.
Ophakathi
Two days

Imiyalelo

1

Choose and cut the log

Pick a straight, knot-free oak log a little longer than the helve and cut it to length.

Izinto zokwakha zalesi sinyathelo:

Izigodo zomuthi olukhuni (i-oki, i-mapula, i-beech)Izigodo zomuthi olukhuni (i-oki, i-mapula, i-beech)1 ucezu

Amathuluzi adingekayo:

ImbazoImbazo
Ithephu LokulinganisaIthephu Lokulinganisa
2

Hew it square

Snap chalk lines on the ends and along the log. Score to the lines with the axe and hew the faces flat with axe and adze.

Amathuluzi adingekayo:

Intambo yeshoki yokudwebaIntambo yeshoki yokudweba
ImbazoImbazo
Imbazo evundlileImbazo evundlile
3

Taper the head end

Shave the head end with the drawknife to a slight taper that fits tight into the hammer head's eye.

Amathuluzi adingekayo:

Ummese OdonswayoUmmese Odonswayo
Isando SokhuniIsando Sokhuni
4

Bore the pivot

Bore a hole square through the beam for the pivot pin, about a third of the way from the tail.

Amathuluzi adingekayo:

I-augerI-auger
Ithephu LokulinganisaIthephu Lokulinganisa
5

Lever ratio

Ilayisha incwadi ye-Jupyter…

Izinto

1

Amathuluzi Adingekayo

7

Le blueprint yenza

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Isibambeli

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

How to build a Forge Trip Hammer

How to build a Forge Trip Hammer

ngu-Admiral OOMNO

Ezomshini

108
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Iron Trip-Hammer Head: Faggot-Welded Block with a Helve Eye

Iron Trip-Hammer Head: Faggot-Welded Block with a Helve Eye

ngu-ForgeNO

Umkhandi

9
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Iron Axle and Cams for a Trip Hammer, Forged from Wrought Iron

Iron Axle and Cams for a Trip Hammer, Forged from Wrought Iron

ngu-ForgeNO

Umkhandi

12
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CC0 Isizinda Somphakathi

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