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Two-Compartment Gate Churn: Paddles Drive the Cream Through a Slotted Gate Into an Open Side and Round Again
Silas F. Lefler of Racine, Wisconsin, received US 19,034, dated 5 January 1858, for a churn divided into a closed compartment, where spiral paddles turn under a housing, and an open one, joined by gateways at the partition's foot. A slotted gate in one gateway breaks the current, and the cream, driven into the open side, "is exposed to the action of the fresh air" before it returns.
This rung prints the partition, gate and paddle hubs, builds the churn and makes and gathers butter.
Intermédiaire
About 4 hours, plus printing
Consignes
1
1
A loop through the open side
A loop through the open side
Chargement du notebook Jupyter…
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Cream sent round a divided vessel, before it
Cream sent round a divided vessel, before it
True splits the cream round a separator; Lefler drives it in a loop through a gate and an open side.
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Read US 19,034
Read US 19,034
"The shaft with the paddles being then revolved, the cream in the close compartment (A) will be forced through the gate (G), thus breaking its direct motion and causing it to force its way into the open compartment (B) in a highly agitated state most propitious for the formation of butter."
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Print the parts
Print the parts
Print the partition with its gateways and guideways (/uploads/blueprints/two-compartment-gate-churn-partition.stl), the slotted gate (/uploads/blueprints/two-compartment-gate-churn-gate.stl) and three paddle hubs (/uploads/blueprints/two-compartment-gate-churn-paddle-hub.stl). The partition needs a bed at least 240 mm long. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Matériaux pour cette étape :
Filament PETG1 pièceOutils nécessaires :
Imprimante 3D à filament (FDM)5
5
Box, partition and shaft
Box, partition and shaft
Use a rectangular food-grade container about 240 by 170 mm and 180 mm deep. Stand the partition across its length 50 mm from one side, sealed at its ends with food-safe silicone. Run a 10 mm square hardwood shaft through the container's ends in the larger compartment, the three hubs on it each turned 40 degrees, with a crank outside.
Matériaux pour cette étape :
Contenant de stockage de qualité alimentaire1 pièce
Mastic silicone1 pièce
Goujons de bois dur1 pièce
Planche de pin1 pièce
Colle à bois1 pièceOutils nécessaires :
Scie égoïne
Perceuse sans fil
Jeu de forets6
6
Housing and gate
Housing and gate
Bend a strip of thin stainless sheet over the paddles as the housing, screwed to the container's ends. Slide the gate into the guideways in front of the gateway on the side where the paddles rise.
Matériaux pour cette étape :
Tôle en acier inoxydable - 3041 pièce
Vis à métaux1 pièceOutils nécessaires :
Cisaille à tôlePerceuse sans fil
Jeu de tournevis7
7
The patent drawing
The patent drawing
US 19,034 drawing sheet, public domain (expired patent).
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Churn, then gather
Churn, then gather
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour 2 litres into the open side. Crank steadily; time until the butter comes. Move the gate to the other gateway and crank on until the butter has gathered in the open side before it, then lift it out. 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.
Matériaux pour cette étape :
Crème liquide entière2000 ml
Gros sel marin1 pièce
Eau1 pièceOutils nécessaires :
Thermomètre à sonde à demeure
Chronomètre
Balance de cuisine numérique
Grand cul-de-poule en acier inoxydable9
9
Troubleshooting
Troubleshooting
Two-compartment churn troubleshooting.
Flow
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10
History and honest limits
History and honest limits
**Silas F. Lefler** of Racine, Wisconsin, US 19,034, 5 January 1858. He made the partition and shaft removable so the churn could be cleaned thoroughly. He claimed the churn of an open and a closed compartment with gateways and a gate passing the cream in a continuous current and gathering the butter. A stainless strip stands in for his housing; a container and printed parts for the rest. FDM prints hold food in their layer lines, so wash well and replace when worn.
Matériaux
11- 1 pièceEspace réservé
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- 1 pièceEspace réservé
- 2000 mlEspace réservé
- 1 pièceEspace réservé
- 1 pièceEspace réservé
Outils requis
10- Espace réservé
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- 1 vendor sell this, none ship to you yetEspace réservé
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