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

Yaremwe na

Woody

17. Ukwakira 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.
Hagati
Two days

Amabwiriza

1

Choose and cut the log

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

Ibikoresho by'iyi ntambwe:

Ibiti bikomeye (mwaloni, mapulo, bicheri)Ibiti bikomeye (mwaloni, mapulo, bicheri)1 igice

Ibikoresho bikenewe:

IshokaIshoka
Umugozi wo GupimaUmugozi wo Gupima
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.

Ibikoresho bikenewe:

Umugozi w'ikaramu y'umweruUmugozi w'ikaramu y'umweru
IshokaIshoka
Ishoka ry'ubugi butambitseIshoka ry'ubugi butambitse
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.

Ibikoresho bikenewe:

Imbugita ikururwaImbugita ikururwa
Inyundo y'IgitiInyundo y'Igiti
4

Bore the pivot

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

Ibikoresho bikenewe:

IgicukuziIgicukuzi
Umugozi wo GupimaUmugozi wo Gupima
5

Lever ratio

Gupakira ikaye ya Jupyter…

Ibikoresho

1

Ibikoresho bikenewe

7

Iki gishushanyo gikora

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Agateganyo

Igiti kinini cy'inyundo izamurwa ikagwa

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Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

How to build a Forge Trip Hammer

How to build a Forge Trip Hammer

na Admiral OOMNO

Mekanike

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

na ForgeNO

Umucuzi

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

na ForgeNO

Umucuzi

12
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CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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