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Valved Air-Tube Dasher Churn: A Double-Acting Valve Lets Air Out of a Tube That Swings With the Dashers
Buttercup

Yenziwe ngu-

Buttercup

7. uMfumfu 2026IE
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Valved Air-Tube Dasher Churn: A Double-Acting Valve Lets Air Out of a Tube That Swings With the Dashers

William A. Vertrees of Winchester, Missouri, received US 16,203, dated 9 December 1856, for an air tube turning with the dashers, bent horizontal at its foot, with "a double-acting valve" at its mouth that opens on the side away from the motion as the shaft is swung back and forth by a strap from a pulley and lever. This rung prints the dasher arms, step, elbow, valve flap, clips and pulley, builds the churn and makes butter.
Ophakathi
About 4 hours, plus printing

Imiyalelo

1

Air from the tube's mouth

Ilayisha incwadi ye-Jupyter…
2

Air drawn into the cream before it

Webster draws air down a turning agitator; Vertrees down a tube with a two-way valve.
3

Read US 16,203

"It may be seen that as the pipe revolves to the right the inner end of the valve (V,) will be pressed against the right side closing the right side of the aperture and allowing the air to pass out on the left side behind the wing of the valve by centrifugal force and when it revolves in the contrary direction the valve acts on the contrary side with similar effect."
4

Print the parts

Print the dasher arms, the cross step, the elbow with its orifice, the valve flap, two tube clips and the pulley. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Izinto zokwakha zalesi sinyathelo:

Ifilamenti ye-PETGIfilamenti ye-PETG1 ucezu

Amathuluzi adingekayo:

Iphrinta ye-3D yentambo (i-FDM)Iphrinta ye-3D yentambo (i-FDM)
5

Print the dasher arms

The dasher arms, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
6

Print the cross step

The cross step, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
7

Print the elbow with its orifice

The elbow with its orifice, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
8

Print the valve flap

The valve flap, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
9

Print the tube clip

The tube clip, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
10

Print the pulley

The pulley, printed as step 4 describes.
Ifayela LomklamoSTLCC0 - Free
11

Dashers and air tube

Lay the cross step in a straight-sided round food-grade container about 190 mm across and stand a 10 mm square hardwood shaft in it, the dasher arms on its foot. Pin the flap in the elbow's orifice with a 2 mm stainless pin, glue the elbow on a 20 mm food-grade pipe reaching above the cream, and tie the pipe to the shaft with the clips, between the arms.

Izinto zokwakha zalesi sinyathelo:

Isitsha sokugcina sezinga lokudlaIsitsha sokugcina sezinga lokudla1 ucezu
Izikhonkwane zokhuni oluqinileIzikhonkwane zokhuni oluqinile1 ucezu
Ipayipi Le-PVCIpayipi Le-PVC1 ucezu
Ubhamu Oluyindilinga Lwensimbi EthambileUbhamu Oluyindilinga Lwensimbi Ethambile1 ucezu
I-epoxy Yezingxenye EzimbiliI-epoxy Yezingxenye Ezimbili1 ucezu

Amathuluzi adingekayo:

Isaha SesandlaIsaha Sesandla
Isaha SensimbiIsaha Sensimbi
12

Pulley, strap and lever

Stand a pine post beside the churn and mount the pulley on a 10 mm rod near its top. Fix one end of a leather strap to the pulley, wind it round the pulley, take it across and wind it a few turns round the shaft, and fix it. Glue a 12 mm dowel lever into the pulley's socket.

Izinto zokwakha zalesi sinyathelo:

Ipulangwe lomphayiniIpulangwe lomphayini1 ucezu
Ubhamu Oluyindilinga Lwensimbi EthambileUbhamu Oluyindilinga Lwensimbi Ethambile1 ucezu
Ucezu lwesikhumbaUcezu lwesikhumba1 ucezu
Izikhonkwane zokhuni oluqinileIzikhonkwane zokhuni oluqinile1 ucezu
Isikulufo sokhuni #8 x 1"Isikulufo sokhuni #8 x 1"1 ucezu

Amathuluzi adingekayo:

Isaha SesandlaIsaha Sesandla
Ibhola ElingenantamboIbhola Elingenantambo
Iqoqo Lamakhanda EbholaIqoqo Lamakhanda Ebhola
Isethi yezikulufudrayivaIsethi yezikulufudrayiva
13

The patent drawing

US 16,203 drawing sheet, public domain (expired patent).
Isinyathelo 13 - Image 1
14

Churn

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres, below the pipe's top. Raise and lower the lever steadily so the shaft swings back and forth; watch for bubbles near the bottom; time until the butter comes. 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.

Izinto zokwakha zalesi sinyathelo:

Ukhilimu ojiyileUkhilimu ojiyile2000 ml
Usawoti Wolwandle OmkhuluUsawoti Wolwandle Omkhulu1 ucezu
AmanziAmanzi1 ucezu

Amathuluzi adingekayo:

Ithemomitha enenaliti eshiywa ngaphakathiIthemomitha enenaliti eshiywa ngaphakathi
Iwashi Lokumisa IsikhathiIwashi Lokumisa Isikhathi
Isikali Sedijithali SasekhishiniIsikali Sedijithali Sasekhishini
Isitsha esikhulu sokuxuba sensimbi engagqwaliIsitsha esikhulu sokuxuba sensimbi engagqwali
15

Troubleshooting

Valved air-tube churn troubleshooting.

Flow

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16

History and honest limits

**William A. Vertrees** of Winchester, Clark County, Missouri, US 16,203, 9 December 1856. The shaft stood in a cross piece laid loosely in the bottom, easy to lift out for washing. He claimed the air tube with its double-acting valve. A container, pipe, pine and printed parts stand in for his; the notebook's speeds are estimates. FDM prints hold food in their layer lines, so wash well and replace when worn.

Izinto

12

Amathuluzi Adingekayo

10

Amafayela omklamo

6

CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

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