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

Yaremwe na

Woody

6. Ukwakira 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.
Hagati
About 4 hours, plus printing

Amabwiriza

1

The side gaps

Gupakira ikaye ya 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 and two floats with gudgeons. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Ibikoresho by'iyi ntambwe:

Fibere ya PETGFibere ya PETG1 igice

Ibikoresho bikenewe:

Imashini icapa 3D ikoresha umugozi (FDM)Imashini icapa 3D ikoresha umugozi (FDM)
5

Print the end piece

The end piece, printed as step 4 describes.
Dosiye y'IgishushanyoSTLCC0 - Free
6

Print the float

The float, printed as step 4 describes.
Dosiye y'IgishushanyoSTLCC0 - Free
7

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.

Ibikoresho by'iyi ntambwe:

Urupapuro rw'ibiti byometseUrupapuro rw'ibiti byometse1 igice
Igifunga cya silikoneIgifunga cya silikone1 igice
Ikinyabutabire cy'IbitiIkinyabutabire cy'Ibiti1 igice
Uruganda rw'igiti #8 x 1"Uruganda rw'igiti #8 x 1"1 igice
Ibipfundikizo by'ikorogoIbipfundikizo by'ikorogo1 igice

Ibikoresho bikenewe:

Umucumita w'IntokiUmucumita w'Intoki
Umucumita w'ImigororwaUmucumita w'Imigororwa
IbifataIbifata
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
8

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.

Ibikoresho by'iyi ntambwe:

Ikibaho cy'igiti cya pinusiIkibaho cy'igiti cya pinusi1 igice
Ibitorezo by'imashiniIbitorezo by'imashini1 igice
Umupira w'Impande EsheshatuUmupira w'Impande Esheshatu1 igice
Ikinyabutabire cy'IbitiIkinyabutabire cy'Ibiti1 igice
Uruganda rw'igiti #8 x 1"Uruganda rw'igiti #8 x 1"1 igice

Ibikoresho bikenewe:

Umucumita w'IntokiUmucumita w'Intoki
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
Ikusanyirizo ry'ibitoreziIkusanyirizo ry'ibitorezi
9

The patent drawing

US 8,671 drawing sheet, public domain (expired patent).
Intambwe 9 - Image 1
10

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.

Ibikoresho by'iyi ntambwe:

Igice cy'ibinure cy'amataIgice cy'ibinure cy'amata1500 ml
Umunyu w'inyanja muniniUmunyu w'inyanja munini1 igice
AmaziAmazi1 igice

Ibikoresho bikenewe:

Igipima ubushyuhe gifite uruti rusigara mu kintuIgipima ubushyuhe gifite uruti rusigara mu kintu
Isaha yo GuhagarikaIsaha yo Guhagarika
Iminzani ya Digitale yo mu GikoniIminzani ya Digitale yo mu Gikoni
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingeseIbakure rinini ryo kuvanga ry'icyuma kitagira ingese
11

Floats that stick, a dasher that jams

Folding-float V-bottom troubleshooting.

Flow

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12

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.

Ibikoresho

12

Ibikoresho bikenewe

11

Dosiye z'igishushanyo

2

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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