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Spiral-Vane Spring-Agitator Churn: Vanes That Snap Springs on the Bottom
Watson wanted "the lower stratum of the cream" kept "in brisk motion" while a dasher lifted the rest.
Peter H. Watson of Rockford, Illinois, assignor to Nathaniel S. Wheeler of Painesville, Ohio, received US 5,573, dated 16 May 1848, for a churn with a rotary spiral dasher — flat vanes fixed between arms ninety degrees apart, so they twist into spirals — over "elastic vibrating agitators": a removable cross on the bottom carrying curved springs that the vanes press down and release. A tube in the lid lets air in and a tube in the side lets it out, kept circulating by the dasher. He set the churn obliquely on a frame to turn the winch.
This rung counts the springs' snaps, then prints the vane spiders and the spring cross, twists flat vanes between them, and makes butter.
Avanzado
About 5 hours, plus printing
Instrucciones
1
1
Springs and vanes
Springs and vanes
Cargando el cuaderno de Jupyter…
2
2
A spiral that lifts the cream before it
A spiral that lifts the cream before it
The embedded blueprint lifts cream with an Archimedean screw in a tube. Watson's twisted vanes lift it in the open churn and let it fall through the air.
3
3
Read US 5,573
Read US 5,573
"On the upper side of these arms a series of curved elastic pieces of wood or metal are secured by one end, the end projecting from the arm at right angles or nearly so and inclining upward; as the vanes of the dasher revolve in the direction indicated by the arrows Figs. 2 and 3 they depress the springs f f f in its passing over them, but the moment the vane has turned far enough to release the spring the latter flies up again to its former position."
4
4
Print the parts
Print the parts
Print two vane spiders, the agitator cross with its twelve tongues and the crank arm. Print the cross in PETG if you have it: its thin tongues must flex and spring back. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Materiales para este paso:
Filamento PETG1 piezaHerramientas necesarias:
Impresora 3D de filamento (FDM)5
5
Print the spider
Print the spider
The spider, printed as step 4 describes.
6
6
Print the agitator
Print the agitator
The agitator, printed as step 4 describes.
7
7
Print the crank arm
Print the crank arm
The crank arm, printed as step 4 describes.
8
8
Twist the vanes
Twist the vanes
Glue the spiders on a 10 mm square hardwood shaft 110 mm apart, the upper turned 90° to the lower. Cut four strips of thin stainless sheet about 60 × 130 mm, deburr them, and seat each in a lower spider's slot and the next upper slot round, so it twists a quarter turn into a spiral, as his did. Glue them in.
Materiales para este paso:
Espigas de madera dura1 pieza
Chapa de acero inoxidable - 3041 pieza
Epoxi de dos componentes1 piezaHerramientas necesarias:
Tijeras de chapa
Desbarbador
Sargentos9
9
The tub
The tub
Set the agitator cross on the floor of a food-grade bucket, the shaft's foot through its centre hole into a drilled seat. Drill the lid at the centre for the shaft, and fit a short tube in the lid and another near the top of the side for the air. Glue the crank arm and a dowel handle on the shaft. Prop the bucket at an angle on a pine frame for cranking.
Materiales para este paso:
Cubo de 20 litros1 pieza
Tabla de pino1 pieza
Tornillo para madera n.º 8 x 1"1 pieza
Cola de carpintero1 piezaHerramientas necesarias:
Taladro inalámbrico
Juego de brocas
Serrucho
Juego de destornilladores10
10
The patent drawing
The patent drawing
US 5,573 drawing sheet, public domain (expired patent).
11
11
Crank and make butter
Crank and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Crank the way the springs incline, so the vanes press them down and let them fly up; time until the butter comes. Lift out the cross to gather the butter with the dasher alone, as he allowed. 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.
Materiales para este paso:
Crema de leche espesa1500 ml
Sal marina gruesa1 pieza
Agua1 piezaHerramientas necesarias:
Termómetro de sonda permanente
Cronómetro
Báscula digital de cocina
Bol grande de acero inoxidable12
12
Springs that break, vanes that jam
Springs that break, vanes that jam
Spiral-vane spring-agitator churn troubleshooting.
Flow
Loading...
13
13
History and honest limits
History and honest limits
**Peter H. Watson** of Rockford, Winnebago County, Illinois, received US 5,573, dated 16 May 1848, assigned to Nathaniel S. Wheeler of Painesville, Ohio. The dasher had eight horizontal arms; each vane could be "one broad piece or of several narrow pieces"; the agitators could be removed once the butter was separated. He claimed "the combination of the elastic vibrating agitator with the rotary spiral dasher."
**Honest limits.** A bucket, printed spiders and a printed spring cross stand in for his tub and wooden or metal springs; our dasher has four vanes on two spiders. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
Materiales
11- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- Marcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- Marcador de posición
- 1 piezaMarcador de posición
- 1500 mlMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
Herramientas requeridas
12- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- 1 vendor sell this, none ship to you yetMarcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
Archivos de diseño
3Este plano hace
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