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Ventilating Paddle Rocking Churn: Hinged Paddles That Strike One Way and Slip the Other
Cook set out to let "a current of fresh air" into the churn "to hasten the production of the butter and to improve its quality."
George W. Cook of Schenectady, New York, received US 3,460, dated 28 February 1844, for "Cook's Ventilating Churn": a semi-cylinder balanced on pivots so it rocks easily, its top closed by thin boards except a narrow opening in the middle. Inside, two frames at about 45° from the vertical, inclined opposite ways, carry perforated paddles hung on gudgeons. As the vessel is canted, one set swings square to its frame and strikes the cream while the other turns flat against its stops.
This rung works out how the paddles hang, then prints the ends, frames and paddles, bends a stainless semi-cylinder, and makes butter.
İleri
About 6 hours, plus printing
Talimatlar
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How the paddles hang
How the paddles hang
Jupyter defteri yükleniyor…
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A rocking churn on pivots before it
A rocking churn on pivots before it
The embedded blueprint rocks a box on gudgeons with springs to return it. Cook balances his vessel on pivots and puts hinged paddles inside.
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Read US 3,460
Read US 3,460
"When the vessel is canted, as represented in Fig. 2 the paddles N drop down or turn on their gudgeons assuming a position nearly at right angles to the sides of the frame of the paddles. At the same time the paddles N2 of the other frame turn until they are in a line parallel with the sides of the frame when they strike against pins or stops O2 inserted into the sides of the frame on the inside thereof."
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Print the parts
Print the parts
Print two vessel ends flat (/uploads/blueprints/ventilating-paddle-rocking-churn-end.stl), each with its groove, pivot boss and the two ledges for the frames. Print two frames (/uploads/blueprints/ventilating-paddle-rocking-churn-frame.stl) and eight perforated paddles (/uploads/blueprints/ventilating-paddle-rocking-churn-paddle.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Bu adım için malzemeler:
PETG filament1 adetGerekli aletler:
FDM 3B yazıcı5
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Bend and close the vessel
Bend and close the vessel
Cut a 0.5 mm stainless sheet 160 mm wide and about 252 mm long, deburr it, and bend it round a 160 mm form into a half circle. Seat it in both ends' grooves in silicone. Cut two thin plywood boards to close the top, sloping 10–15° down toward the middle and leaving a narrow opening there, as his.
Bu adım için malzemeler:
Paslanmaz çelik levha - 3041 adet
Silikon Dolgu Macunu1 adet
Kontrplak levha1 adetGerekli aletler:
Sac makası
Çapak alma aleti
Kauçuk tokmak
İşkenceler
Kıl Testere6
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Hang the paddles and the vessel
Hang the paddles and the vessel
Hang four paddles in each frame on M3 screws through the frame's sides, so they swing freely and lie against the stops one way. Set the two frames on the ledges inside the vessel, inclined opposite ways. Build a pine stand with two posts and hang the vessel on an M8 bolt through each end's boss, so it is nicely balanced.
Bu adım için malzemeler:
Makine vidaları1 adet
Altıgen Somun1 adet
Çam tahta1 adet
#8 x 1" ahşap vidası1 adet
Ahşap Tutkalı1 adetGerekli aletler:
El Testeresi
Kablosuz Matkap
Matkap Ucu Takımı
Tornavida takımı
Kurbağacık anahtar7
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The patent drawing
The patent drawing
US 3,460 drawing sheet, public domain (expired patent).
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Rock and make butter
Rock and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour 500 ml through the middle opening. Rock the vessel steadily from side to side; time until the butter comes. Lift out the frames, then pour off the buttermilk, add cold water, churn a little and pour off again until it runs clear; work in a pinch of salt and weigh the butter.
Bu adım için malzemeler:
Yağlı krema500 ml
İri Deniz Tuzu1 adet
Su1 adetGerekli aletler:
Takılı kalan problu termometre
Kronometre
Dijital Mutfak Terazisi
Büyük paslanmaz çelik karıştırma kâsesi9
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Paddles that stick, a vessel that tips
Paddles that stick, a vessel that tips
Ventilating paddle rocking churn troubleshooting.
Flow
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History and honest limits
History and honest limits
**George W. Cook** of Schenectady, New York, received US 3,460, dated 28 February 1844. Blocks on the vessel's convex side met a cross bar of the frame to stop it canting too far; handles in its side rocked it; iron straps strengthened it; a plugged aperture drew off the milk; a button held the two frames in place. He claimed combining with a rocking churn "floats or paddles arranged in and hinged to a frame."
**Honest limits.** Stainless sheet, plywood and printed parts stand in for his wooden vessel and frames. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
Malzemeler
12- 1 adetYer Tutucu
- Yer Tutucu
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- 500 mlYer Tutucu
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- 1 adetYer Tutucu
Gerekli Aletler
15- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- 1 vendor sell this, none ship to you yetYer Tutucu
- Yer Tutucu
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- Yer Tutucu
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- Yer Tutucu
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CC0 Kamu Malı
Bu plan CC0 lisansıyla yayınlanmıştır. İzin almadan kopyalayabilir, değiştirebilir, dağıtabilir ve herhangi bir amaçla kullanabilirsiniz.
Planı üzerinden ürün satın alarak Maker'ı destekleyin, böylece Maker Komisyonu Satıcılar tarafından belirlenen komisyonu kazanırlar veya bu Planın yeni bir versiyonunu oluşturun ve gelir paylaşımı için kendi Planınıza bağlantı olarak ekleyin.