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Folding-Float V-Bottom Churn: Floats That Close Into a V on the Down-Stroke
Woody

Criado por

Woody

6. outubro 2026NO
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Folding-Float V-Bottom Churn: Floats That Close Into a V on the Down-Stroke

Clement wanted the dasher to close on the way down and open on the way up. Edwin B. Clement of Barnet, Vermont, received US 8,671, dated 20 January 1852, for a churn whose vessel is a box with a bottom of "two pieces square to each other, the corner pointing downward," and a dasher of two bevelled end pieces, a lengthwise cross piece and "two loose or swinging floats." Closed, the floats fit the bottom, leaving three-eighths to half an inch at the sides for the cream to pass up; raised, they swing apart against pins, "leaving the floats inclining toward the center, so that they may more readily close when they strike the cream." A lever on a post works it. This rung works out the gaps, then prints the end pieces and floats, builds a V-bottomed box and lever, and makes butter.
Intermediário
About 4 hours, plus printing

Instruções

1

The side gaps

A carregar o notebook Jupyter…
2

Hinged parts that change with the stroke before it

The embedded blueprint hinges beaters so they tilt rising and lie flat falling. Clement's floats close into a V falling and swing open rising.
3

Read US 8,671

"When these floats are closed at the bottom the upper edges of the floats may reach to three eighths, or one half of an inch from the sides of the vessel, which space is left for the cream to pass up through in the operation. When this dasher is raised, see Fig. 3, these floats will swing apart and strike a pin in each end of one of the end pieces."
4

Print the parts

Print two bevelled end pieces with their gudgeon holes and stop pins (/uploads/blueprints/folding-float-v-bottom-churn-end-piece.stl) and two floats with gudgeons (/uploads/blueprints/folding-float-v-bottom-churn-float.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Materiais para este passo:

Filamento PETGFilamento PETG1 peça

Ferramentas necessárias:

Impressora 3D de filamento (FDM)Impressora 3D de filamento (FDM)
5

The V-bottomed box

Build a box of 12 mm plywood about 200 mm long and 110 mm wide, its bottom two boards at right angles, corner down, grooved into the ends and sealed with food-safe sealant; fit a stopper low in one end to draw off the milk.

Materiais para este passo:

Placa de contraplacadoPlaca de contraplacado1 peça
Vedante de siliconeVedante de silicone1 peça
Cola de madeiraCola de madeira1 peça
Parafuso para madeira n.º 8 x 1"Parafuso para madeira n.º 8 x 1"1 peça
RolhasRolhas1 peça

Ferramentas necessárias:

SerroteSerrote
Serra de recortesSerra de recortes
GramposGrampos
Berbequim sem fiosBerbequim sem fios
6

Dasher and lever

Join the end pieces with a pine cross piece and a pine staff, and hang the floats between them by their gudgeons so they meet in a V. Fix a pine post to the box's end with a brace, pivot a lever on its top, and pass the staff's tenon through a slot in the lever with a pin.

Materiais para este passo:

Tábua de pinhoTábua de pinho1 peça
Parafusos de máquinaParafusos de máquina1 peça
Porca sextavadaPorca sextavada1 peça
Cola de madeiraCola de madeira1 peça
Parafuso para madeira n.º 8 x 1"Parafuso para madeira n.º 8 x 1"1 peça

Ferramentas necessárias:

SerroteSerrote
Berbequim sem fiosBerbequim sem fios
Jogo de brocasJogo de brocas
Conjunto de chaves de fendasConjunto de chaves de fendas
7

The patent drawing

US 8,671 drawing sheet, public domain (expired patent).
Passo 7 - Image 1
8

Work the lever and make butter

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Work the lever steadily up and down; time until the butter comes. Draw off the milk at the stopper. 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.

Materiais para este passo:

Natas para baterNatas para bater1500 ml
Sal marinho grossoSal marinho grosso1 peça
ÁguaÁgua1 peça

Ferramentas necessárias:

Termómetro de sonda permanenteTermómetro de sonda permanente
CronómetroCronómetro
Balança digital de cozinhaBalança digital de cozinha
Taça grande de aço inoxidávelTaça grande de aço inoxidável
9

Floats that stick, a dasher that jams

Folding-float V-bottom troubleshooting.

Flow

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10

History and honest limits

**Edwin B. Clement** of Barnet, Caledonia County, Vermont, received US 8,671, dated 20 January 1852. His box was nearly as long as deep to where the bottom began and about half as wide, secured by iron rods; the cover sank a little into the mouth on two cross pieces. He claimed the application to churn dashers of floats that close when pressed down through the cream, forcing it through narrow spaces, and open again when raised. **Honest limits.** A plywood box, pine and printed parts stand in for his. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.

Materiais

12

Ferramentas necessárias

11

CC0 Domínio Público

Este blueprint é liberado sob CC0. Você é livre para copiar, modificar, distribuir e usar este trabalho para qualquer finalidade, sem pedir permissão.

Apoie o Maker comprando produtos através do Blueprint, onde ele ganha uma Comissão Maker definida pelos vendedores, ou crie uma nova versão deste Blueprint e inclua-o como conexão no seu próprio Blueprint para compartilhar receita.

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