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Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged
Culturehistory (Wikimedia Commons) · CC BY-SA 4.0
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18. Ukwakira 2026NO
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Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged

The keys of a saron are bronze bars. Javanese makers give the best gamelan bronze as ten parts copper to three parts tin, melted in a clay bowl (kowi), poured to a blade shape, forged with many kinds of hammer blows, checked, then tuned to the set's scale (Wikipedia, Gamelan production). Charge size, mould and tuning method are ours. The picture: new saron keys on their frame (Wikimedia Commons).
Hejuru
3 days

Amabwiriza

1

Weigh ten to three

For six keys weigh 1 kg of copper and 300 g of tin: ten parts copper to three parts tin.

Ibikoresho by'iyi ntambwe:

Ikibumbe cy'umuringaIkibumbe cy'umuringa1000 g
Igitebo cya bati (etain)Igitebo cya bati (etain)300 g

Ibikoresho bikenewe:

Iminzani ya Digitale yo mu GikoniIminzani ya Digitale yo mu Gikoni
2

Melt in the clay crucible

Melt the copper in a clay crucible in the furnace under a strong blast, then add the tin and stir it in.

Ibikoresho by'iyi ntambwe:

AmakaraAmakara1 as required

Ibikoresho bikenewe:

Ikirahure cy'Ibumba KirekireIkirahure cy'Ibumba Kirekire
Itanura ry'amatafariItanura ry'amatafari
UmuvubaUmuvuba
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Ikanzu y'uruhuIkanzu y'uruhu
Ingabo y'IsuraIngabo y'Isura
3

Pour the blades

Pour into an open iron mould to blade-shaped bars, a little longer and thicker than the finished keys. Let them cool.

Ibikoresho bikenewe:

Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Imbumbe yo gusukamo icyuma gishongeyeImbumbe yo gusukamo icyuma gishongeye
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Ikanzu y'uruhuIkanzu y'uruhu
Ingabo y'IsuraIngabo y'Isura
4

Forge

Forge each bar to shape on the anvil with a range of hammer blows, working it even along its length.

Ibikoresho bikenewe:

Uruganda rw'umucuziUruganda rw'umucuzi
IngoyiIngoyi
Inyundo ifite umutwe utambitseInyundo ifite umutwe utambitse
Amafashi y'umucuziAmafashi y'umucuzi
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Ikanzu y'uruhuIkanzu y'uruhu
Ingabo y'IsuraIngabo y'Isura
5

Check and tune

Check each key for cracks. Strike it on soft supports and read its note on the tuner. Grind the ends to raise the note; thin the underside at the middle to lower it. Work in small steps until each key sits on its note.

Ibikoresho bikenewe:

Igipima injyana n'ingendo (cyomeka)Igipima injyana n'ingendo (cyomeka)
Isaruro ry'impandeIsaruro ry'impande
Amakariso MenshiAmakariso Menshi
Ingabo y'IsuraIngabo y'Isura

Ibikoresho

3

Ibikoresho bikenewe

16

Iki gishushanyo gikora

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Agateganyo

Ikinyabiziga cy'umuringa (ikibaho cya metalofoni)

Free

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Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

Tin Bronze Ingots, Wire and Rod

Tin Bronze Ingots, Wire and Rod

na ForgeNO

Ubucuzi bw'Ibyuma

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Building a Saron — A Gamelan Metallophone of Tuned Bronze Bars

Building a Saron — A Gamelan Metallophone of Tuned Bronze Bars

na WoodyNO

Ubucuzi bw'Ibyuma

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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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