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Endless-Chain Trailing-Paddle Churn: Paddles Hung on a Chain Drag Through the Cream
Harvey Brown of New York received US 19,828, dated 6 April 1858, for a churn in which two shafts across a box carry notched wheels, an endless chain of links and connecting rods runs over them, and trailing paddles hang from the rods, twelve in his model.
This rung prints the wheels, links and paddles, builds the box and makes butter.
Avanzato
About 5 hours, plus printing
Istruzioni
1
1
The chain in numbers
The chain in numbers
Caricamento del notebook Jupyter…
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2
Paddles on a cylinder, before it
Paddles on a cylinder, before it
Pike set paddles on a turning cylinder; Brown hung them on an endless chain.
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Read US 19,828
Read US 19,828
"The object of this invention is the churning of butter by agitation incidentally but more particularly by friction from the operation of the trailing paddles as attached to an endless chain in this invention, or to a single cylinder to which they might be attached and inclosed in a corresponding box."
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Print the parts
Print the parts
Print four notched wheels (/uploads/blueprints/endless-chain-trailing-paddle-churn-notched-wheel.stl), 24 links (/uploads/blueprints/endless-chain-trailing-paddle-churn-link.stl) and 12 paddles (/uploads/blueprints/endless-chain-trailing-paddle-churn-paddle.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Materiali per questo passaggio:
Filamento PETG1 pezzoStrumenti necessari:
Stampante 3D a filamento (FDM)5
5
Box and shafts
Box and shafts
Use a food-grade container about 360 × 140 × 200 mm. Drill its sides for two 10 mm square hardwood shafts, 150 mm apart and 90 mm above the floor; one passes out through the side for the crank. Fix two wheels on each shaft, 88 mm apart, and seal the holes.
Materiali per questo passaggio:
Contenitore di conservazione per uso alimentare1 pezzo
Tasselli di legno duro1 pezzo
Sigillante siliconico1 pezzoStrumenti necessari:
Trapano a batteria
Serie di punte da trapano
Sega a mano6
6
Chain and paddles
Chain and paddles
Cut twelve 104 mm rods of 4 mm steel. Join them with the links, two at each end, into an endless chain; thread a paddle on each rod by its eye. Lay the chain over the wheels, a rod in every notch, and glue a pine crank on the long shaft.
Materiali per questo passaggio:
Tondo di acciaio dolce1 pezzo
Tavola di pino1 pezzo
Colla da legno1 pezzoStrumenti necessari:
Seghetto per metalli
Lima per metalli7
7
The build in 3D
The build in 3D
FreeCAD model of this build: the box cut open to show the two shafts, four notched wheels, the twelve-rod chain and the trailing paddles dragging along its lower run.
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8
Crank and churn
Crank and churn
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Crank so the top of the chain moves away from the crank; the paddles trail through the cream. Time until the butter comes. 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.
Materiali per questo passaggio:
Panna da montare1500 ml
Sale marino grosso1 pezzo
Acqua1 pezzoStrumenti necessari:
Termometro a sonda permanente
Cronometro
Bilancia digitale da cucina
Grande ciotola da impasto in acciaio inossidabile9
9
Troubleshooting
Troubleshooting
Endless-chain churn troubleshooting.
Flow
Loading...
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10
History and honest limits
History and honest limits
**Harvey Brown** of New York, US 19,828, 6 April 1858. He claimed the arrangement of the trailing paddles, wheels and gearing. He also allowed a floating board on the cream to add friction on the paddles' return; we leave it out. His drawing gives no sizes; ours are ours. FDM prints hold food in their layer lines, so wash well and replace when worn.
Materiali
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- 1500 mlSegnaposto
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Strumenti richiesti
10- Segnaposto
- 1 vendor sell this, none ship to you yetSegnaposto
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File di progetto
1Questo progetto realizza
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