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Spring-Float Barrel Churn: Floats Stand Rigid to Churn, Fold Back on Springs to Gather and Work
Benjamin Beers, New Fairfield, Connecticut · Public domain (expired patent)
Hoop

Erstellt von

Hoop

7. Oktober 2026GB
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Spring-Float Barrel Churn: Floats Stand Rigid to Churn, Fold Back on Springs to Gather and Work

Benjamin Beers of New Fairfield, Connecticut, received US 18,797, dated 8 December 1857, for a barrel churn whose dasher floats are held against stops by springs: rigid when turned one way to churn, they "yield or give way" when turned the other, pressing the butter against the barrel to gather and work it. This rung prints the disks and floats, builds the barrel and makes, gathers and salts butter.
Fortgeschritten
About 4 hours, plus printing

Anweisungen

1

Rigid one way, yielding the other

Jupyter-Notebook wird geladen …
2

A dasher that changes when reversed, before it

Thorpe's loose bucket closes on a screw; Beers's floats fold on springs.
3

Read US 18,797

"When the disks and floats are turned the other way so as to gather and amass the butter by pressing it against the sides of the barrel, the springs allow the floats to yield or give way, when they come over and strike on the buttermilk and butter and assume a tangential direction."
4

Print the parts

Print two disks and two floats. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Materialien für diesen Schritt:

PETG-FilamentPETG-Filament1 Stück

Benötigte Werkzeuge:

FDM-3D-DruckerFDM-3D-Drucker
5

Print the disk

The disk, printed as step 4 describes.
DesigndateiSTLCC0 - Free
Modell herunterladen
6

Print the float

The float, printed as step 4 describes.
DesigndateiSTLCC0 - Free
Modell herunterladen
7

Dasher

Fix the two disks on a 10 mm square hardwood shaft and join them with two 4 mm stainless rods. Pivot each float between the disks on a 4 mm rod, and hook a spring from its eye to the anchor hole in a disk so it presses the float against its stop.

Materialien für diesen Schritt:

HartholzdübelHartholzdübel1 Stück
Rundstahl (Baustahl)Rundstahl (Baustahl)1 Stück
DruckfedernsortimentDruckfedernsortiment1 Stück
ZweikomponentenepoxidZweikomponentenepoxid1 Stück

Benötigte Werkzeuge:

Bügelsäge (Metallsäge)Bügelsäge (Metallsäge)
AkkubohrschrauberAkkubohrschrauber
8

Barrel and crank

Lay a round food-grade container about 170 mm across on its side in a pine cradle, cut a door in its top with a cork vent, and run the shaft through its ends on the axis with a crank outside.

Materialien für diesen Schritt:

Vorratsbehälter in LebensmittelqualitätVorratsbehälter in Lebensmittelqualität1 Stück
KiefernbrettKiefernbrett1 Stück
KorkenKorken1 Stück
SilikondichtmasseSilikondichtmasse1 Stück
Holzschraube #8 x 1"Holzschraube #8 x 1"1 Stück

Benötigte Werkzeuge:

Laubsäge (Schweifsäge)Laubsäge (Schweifsäge)
AkkubohrschrauberAkkubohrschrauber
BohrersatzBohrersatz
9

The build in 3D

FreeCAD model of this build: the barrel cut open to show the two disks on the shaft, the joining rods and the two floats on their pivots.
DesigndateiBLENDCC0 - Free
Modell herunterladen
10

Churn, gather, salt

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Turn the crank the way that holds the floats on their stops; time until the butter comes. Turn it back so the floats fold and press the butter against the barrel; draw off the buttermilk, add salt and work the crank a little back and forth to mix it in, as he did. Weigh the butter.
Schritt 10 - Image 1

Materialien für diesen Schritt:

SchlagsahneSchlagsahne1500 ml
Grobes MeersalzGrobes Meersalz1 Stück
WasserWasser1 Stück

Benötigte Werkzeuge:

Einsteck-FühlerthermometerEinsteck-Fühlerthermometer
StoppuhrStoppuhr
Digitale KüchenwaageDigitale Küchenwaage
Große Rührschüssel aus EdelstahlGroße Rührschüssel aus Edelstahl
11

Troubleshooting

Spring-float barrel churn troubleshooting.

Flow

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12

History and honest limits

**Benjamin Beers** of New Fairfield, Fairfield County, Connecticut, US 18,797, 8 December 1857. He bent a wooden hoop into the barrel's body between two heads, cheaper than staves and less likely to leak. He claimed the rotating dasher with spring floats to churn and to work the butter. A container and printed parts stand in for his barrel. FDM prints hold food in their layer lines, so wash well and replace when worn.

Materialien

13

Benötigte Werkzeuge

9

Designdateien

3

Dieser Bauplan stellt her

Thumbnail
Platzhalter

Butterfass

Free

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CC0 Gemeinfrei

Dieser Blueprint ist unter CC0 veröffentlicht. Sie dürfen dieses Werk für jeden Zweck frei kopieren, ändern, verbreiten und verwenden, ohne um Erlaubnis zu fragen.

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